Sunday, March 9, 2008

Introduction To Queries

This is the Database Programmer blog, for anybody who wants practical advice on database use.

There are links to other essays at the bottom of this post.

This blog has two tables of contents, the Topical Table of Contents and the list of Database Skills.

Today we are going to look at performance, direct SQL coding, and then begin with the basics of the SQL SELECT command.

Disk Activity Determines Performance

Before we even look at the SQL SELECT command, we must know what motivates the experienced database programmer to pick certain kinds of queries and avoid others. The first motivator is of course performance. We all want our programs to go fast. If you want a fast database program, then you have to think about the hard disk.

The slowest device in a computer is the disk drive. The price of disk reads is so much higher than in-memory operations that there is nothing to gain by optimizing code unless disk reads are optimized first. I often tell my programmers to consider in-memory operations to be "free" when coding, and to concentrate all optimization efforts on reducing disk reads. This approach may gloss over some important truths, but it is an excellent starting point for database beginners.

Optimizing disk reads comes down to writing efficient queries on top of well-designed tables. With that being said, we have one more short note to cover before going into the syntax of the queries.

A Quick Note on Inline SQL

Many authors and framework programmers discourage the use of SQL SELECT statements directly in application code. This essay contains no opinions on that question.

However, it is important to know that the SELECT statement must be coded somehow and sent to the server, whether you code it manually or some framework tool generates it for you. This essay is all about how to code (or generate) that SELECT statement. Knowing how it all works is a requirement if you code your own framework or if you suspect your chosen framework may not be your friend in all cases.

Introducing SQL Select

The simplest query is four words (or symbols) long. If your database has a table of countries then here is a very simple query that will work:

SELECT * FROM COUNTRIES

This query will return all rows and columns from a table. Depending on what language you code in, these may come back in an associative array, an array of generic objects (or similar), or some other special-purpose object like a ResultSet.

You have probably been told not to use the "*" in a SELECT, for performance reasons. This is usually good advice. In the simplest case, you save bandwidth by only retrieving the columns that are of interest to you. If your table contains long varchar or text (aka clob) columns there are even more reasons to avoid "SELECT *". When you have long varchar and text columns, they may be stored outside of the main storage for the table, causing the server to look in two places to retrieve each row. Therefore, avoiding "SELECT *" and always specifying just the columns you need reduces disk reads on the server and reduces bandwidth delivering the results.

But as this is an introductory essay it is important to know how to retrieve a complete table, so I have used the "SELECT *" here.

Filtering Results with WHERE

The WHERE clause limits which rows from the base table will go into the query results. You specify a WHERE clause as one or more boolean conditional expressions. Multiple expressions can be separated by AND and OR, using parentheses to group expressions. You can review your product's documentation to see all of the comparisons and functions that are available. A moderate WHERE clause might look like this:

SELECT country,name
  FROM COUNTRIES
 WHERE country like 'A%'
   AND (   name like 'D%'
        OR name like 'E%'
       )
   AND continent = 'Africa'

Filtering and Performance

The primary purpose of a WHERE clause is to obtain the correct result. However, it is also a very important performance tool. Here is why.

If you are completely and totally new to database programming, you may get the idea that you will skip the WHERE clause and do your filtering in the application. This may seem like a good idea because you save the trouble of learning two languages. Instead of learning SQL plus your application language, you can concentrate on just your application language. And so you make a reasonable decision to use as little SQL as possible and just do everything in application code.

The drawback to this perfectly reasonable suggestion is that it violates our first performance concept, it creates a huge disk read burden. If you need five rows out of 50,000, then filtering in the application requires the database server to read all 50,000 rows off the disk. On top of that, these have to be delivered to your application for processing.

Making use of the WHERE clause means that only 5 rows are read off the disk (this assumes the presence of an index which will be explained in a later essay). In this particular example, using a WHERE clause will perform 1000 times faster than not using it. Of course this is only a single very vague example, but since a database application is composed largely of queries, it is definitely a good idea to have all of these queries start out on solid ground.

Foreign Keys and JOIN

Next week we are going to look at JOINs in much detail, but I want to mention them here briefly. The JOIN clause lets you return results from more than one table, and the JOIN determines how the rows from multiple tables will be matched to each other.

For this week I will say only that good queries will almost always use foreign keys as the basis of their JOINs. We have seen in these essays more than once that the foreign key is the fundamental and only way to connect information in separate tables. Naturally, therefore, the foreign key will loom large in our discussion of JOIN, since JOIN controls the combined retrieval of information from separate tables.

Sorting Query Results

You can sort query results by including an ORDER BY clause in the query. Simply name the columns:

SELECT customer,order,date 
  FROM ORDERS
 WHERE date >= '2008-03-01'
 ORDER BY date,customer

Some database servers let you put an ASC or DESC in front of individual columns, while other servers can only apply a DESC or ASC term to the entire sort operation.

Overall application performance comes into play with ORDER BY clauses. It is almost universally true that you can sort faster on the database server than you can in your code. You want to make sure that your manual queries contain ORDER BY clauses, and that your framework is generating them. You do not want to be sorting in application code in most cases.

Order of Terms Matters

You have to put the various clauses into the right order or they will not work. The order is:

SELECT ....
  FROM ....
  JOIN .... ON ....
 WHERE ....
 ORDER BY...

Conclusions

This week we began to examine queries, by looking at the very basics of the SQL SELECT query syntax. Not surprisingly, performance issues came up for every single part of the query, from the column list to the ORDER BY.

For performance, we looked at the basic idea that disk reads determine performance, which we will see more of in later weeks. I also mentioned that table design determines query efficiency, but we have not gotten very deep into that yet.

Related Essays

This blog has two tables of contents, the Topical Table of Contents and the list of Database Skills.

Other essays relating to SQL SELECT are:

96 comments:

br1 said...

I hope I'm not spamming the comments today :)

I didn0t understand "However, there are other cases, especially when using varchar or text (aka clob) columns, when there are fewer disk reads when you avoid the columns you have no use for." How come you avoid columns with *?

KenDowns said...

Bruno, I rephrased the statement in question to make it clearer. The problem with long varchar and text columns is that they are stored outside of the main table storage area, forcing the server to go to two separate spots on disk. If you habitually do SELECT * you will force the reading of lots of data you probably don't need, on top clogging the pipe to deliver it to you.

JAYESH said...

awesome guidelines... THANK'S..

Unknown said...

This is ansuperior writing service point that doesn't always sink in within the context of the classroom. In the first superior writing service paragraph you either hook the reader's interest or lose it. Of course your teacher, who's getting paid to teach you how to write an good essay, 
online Python certification course | python training in OMR | Python training course in Chennai

janani said...

Some us know all relating to the compelling medium you present powerful steps on this blog and therefore strongly encourage contribution from other ones on this subject while our own child is truly discovering a great deal. Have fun with the remaining portion of the year.

Java training in Annanagar | Java training in Chennai

Java training in Chennai | Java training in Electronic city

Unknown said...

After reading your post I understood that last week was with full of surprises and happiness for you. Congratz! Even though the website is work related, you can update small events in your life and share your happiness with us too.

Data Science course in kalyan nagar | Data Science course in OMR

Data Science course in chennai | Data science course in velachery

Data science course in jaya nagar | Data science training in tambaram

Unknown said...

DevOps is currently a popular model currently organizations all over the world moving towards to it. Your post gave a clear idea about knowing the DevOps model and its importance.

Good to learn about DevOps at this time.


devops training in chennai | devops training in chennai with placement | devops training in chennai omr | devops training in velachery | devops training in chennai tambaram | devops institutes in chennai | devops certification in chennai | trending technologies list 2018

dhivya said...

In the beginning, I would like to thank you much about this great post. Its very useful and helpful for anyone looking for tips. I like your writing style and I hope you will keep doing this good working.
Angularjs Institute in Bangalore
Best Angularjs Training in Bangalore
Best Institute For ccna Course in Bangalore
Best ccna Training Institute in Bangalore

rama said...

The post was amazing. It showcases your knowledge on the topic. Thanks for Posting.
CPHQ Online Training in Kabul. Get Certified Online|
CPHQ Training Classes in Al Farwaniyah

Rithi Rawat said...

Very nice post here thanks for it .I always like and such a super contents of these post.Excellent and very cool idea and great content of different kinds of the valuable information's.
machine learning course in Chennai
machine learning training center in Chennai
machine learning certification in Chennai
Android training in chennai
PMP training in chennai

ganapathi said...

Thank you for excellent article.

Please refer below if you are looking for best project center in coimbatore

final year projects in coimbatore
Spoken English Training in coimbatore
final year projects for CSE in coimbatore
final year projects for IT in coimbatore
final year projects for ECE in coimbatore
final year projects for EEE in coimbatore
final year projects for Mechanical in coimbatore
final year projects for Instrumentation in coimbatore

Anjali Siva said...

The given information was excellent and useful. This is one of the excellent blog, I have come across. Do share more.
Data Science Training in Chennai
Data Analytics Training in Chennai
Data Science Certification in Chennai
Data Science Training in Velachery
R Training in Chennai
R Programming Training in Chennai
Machine Learning Training in Chennai
Machine Learning institute in Chennai
Data Science Course in Chennai

Tech Guy said...

For Artificial Intelligence training in Bangalore, Visit:
Artificial Intelligence training in Bangalore

Tech Guy said...

Nice Blog.
For AI training in Bangalore, Visit:
Artificial Intelligence training in Bangalore

Vijiaajith said...

Very nice blog
freeinplanttrainingcourseforECEstudents
internship-in-chennai-for-bsc
inplant-training-for-automobile-engineering-students
freeinplanttrainingfor-ECEstudents-in-chennai
internship-for-cse-students-in-bsnl
application-for-industrial-training

Vijiaajith said...

super
interview-questions/aptitude/permutation-and-combination/how-many-groups-of-6-persons-can-be-formed

tutorials/oracle/oracle-delete

technology/chrome-flags-complete-guide-enhance-browsing-experience/

interview-questions/aptitude/time-and-work/a-alone-can-do-1-4-of-the-work-in-2-days


interview-questions/programming/recursion-and-iteration/integer-a-40-b-35-c-20-d-10-comment-about-the-output-of-the-following-two-statements

Vijiaajith said...

GOOD
Permutation and Combination Aptitude Interview Questions
Oracle Delete
Time and Work Aptitude Interview Questions
Chrome Flags Complete Guide Enhance Browsing Experience
Recursion and Iteration Programming Interview Questions
Apache Pig Subtract Function
Xml Serializer there was an Error Reflecting Type
Simple Interest Aptitude Interview Questions
Compound Interest Aptitude Interview Questions
Specimen Presentation of Letters Issued by Company

Durai Moorthy said...

Wonderful post. Thanks for taking time to share this information with us.
aws Training in Bangalore
python Training in Bangalore
hadoop Training in Bangalore
angular js Training in Bangalore
bigdata analytics Training in Bangalore

vijay said...

Thanks for this informative blog
aws Training in Bangalore
python Training in Bangalore
hadoop Training in Bangalore
angular js Training in Bangalore
bigdata analytics Training in Bangalore

ammu said...

very nice....
brunei darussalam web hosting
costa rica web hosting
costa rica web hosting
hong kong web hosting
jordan web hosting

raju said...

nice blogs...
dominican republic web hosting
iran hosting
palestinian territory web hosting
panama web hosting
syria hosting
services hosting
afghanistan shared web hosting
andorra web hosting
belarus web hosting

raju said...

nice blogs...
brunei darussalam hosting
inplant training in chennai

dras said...

wonderful blogger....
Australia hosting
Bermuda web hosting
Botswana hosting
mexico web hosting
moldova web hosting
albania web hosting
andorra hosting
armenia web hosting
australia web hosting

shiv said...

nice...........
vietnam

web hosting

google cloud server hosting
canada telus cloud hosting
algeeria

hosting

angola

hostig

shared hosting
bangladesh

hosting

botswana hosting
central african republi hosting
shared hosting

kani said...

nice..
macao web hosting
cloud computing virtual server canada hosting
italy hosting
kenya shared web hosting
inplant training in chennai

Giant Brands said...

Such an exceptionally valuable article. Extremely intriguing to peruse this article. I might want to thank you for the endeavors you had made for
composing this amazing article.


WordPress Bundle,
WordPress Bundle Pack,
WordPress Starter Pack,
WP Starter Pack,
WP Bundle Pack,
Giant Brand Solutions,
Premium WordPress Themes and Plugins,
WordPress Themes,
WordPress Plugins,

KUTTYMA said...

nice information....

winter internship for engineering students
internship for mca students
inplant training for eee students
inplant training for eee students
java training in chennai
internships for eee students in hyderabad
ece internship
internship certificate for mechanical engineering students
internship in nagpur for computer engineering students
kaashiv infotech internship
internship for aeronautical engineering students in india 2019

shiv said...

internship report for b.com students
6 months training with stipend in chennai
internship with stipend in chennai
internship in chennai for mba
kaashiv infotech in bangalore
free internship in nagpur for computer engineering students
internship for civil engineering in chennai
free internship for cse students in chennai
bioinformatics internship in chennai
internship in chennai for bba students

shri said...

very nice...
internship report on python
free internship in chennai for ece students
free internship for bca
internship for computer science engineering students in india
internships in hyderabad for cse students 2018
electrical companies in hyderabad for internship
internships in chennai for cse students 2019
internships for ece students
inplant training in tcs chennai
internship at chennai

Dinesh said...

It is a very helpful data. It will help to improve my knowledge about this topic. Thank you for this awesome post.
Corporate Training in Chennai
Corporate Training institute in Chennai
Spark Training in Chennai
Social Media Marketing Courses in Chennai
Graphic Design Courses in Chennai
Oracle Training in Chennai
Appium Training in Chennai
Tableau Training in Chennai
Power BI Training in Chennai
Linux Training in Chennai
Corporate Training in OMR

Trishana Technologies said...

Hi..
Nice Blog. You have shared as possible information related to quarries as anyone can share. SQL is trending in all aspects. You have explained very well how we can use quarry language for framework and in our programming.

svrtechnologies said...

I am inspired with your post writing style & how continuously you describe this topic. azure course After reading your post, thanks for taking the time to discuss this, I feel happy about it and I love learning more about this topic.

karthickannan said...

Nice blogs.....
coronavirus update
inplant training in chennai
inplant training
inplant training in chennai for cse
inplant training in chennai for ece
inplant training in chennai for eee
inplant training in chennai for mechanical
internship in chennai
online internship

Arunvijay said...

Nice Information...
Coronavirus Update
Intern Ship In Chennai
Inplant Training In Chennai
Internship For CSE Students
Online Internships
Internship For MBA Students
ITO Internship

Paari said...

Nice...

Intern Ship In Chennai
Inplant Training In Chennai
Internship For CSE Students
Coronavirus Update
Online Internships
Internship For MBA Students
ITO Internship

lavanya said...

I am very happy when read this blog post because blog post written in good manner and write on good topic. Thanks for sharing valuable information.

Java training in chennai | Java training in annanagar | Java training in omr | Java training in porur | Java training in tambaram | Java training in velachery

shakunthala said...

thanks for sharing .
full stack training in bangalore
Dot Net Training Institutes in Bangalore
best angular js training in bangalore
Node js training in Bangalore
React js training in Bangalore


Anonymous said...

Thanks you for sharing information.
python training in bangalore | python online trainng
artificial intelligence training in bangalore | artificial intelligence online training
uipath training in bangalore | uipath online training
blockchain training in bangalore | blockchain online training

lavanya said...

Your post is just outstanding! thanks for such a post,its really going great and great work.You have provided great knowledge about thr web design development and search engine optimization
Java training in Chennai

Java Online training in Chennai

Java Course in Chennai

Best JAVA Training Institutes in Chennai

Java training in Bangalore

Java training in Hyderabad

Java Training in Coimbatore

Java Training

Java Online Training

Devi said...

Wonderful blog...! This information is very helpful for enhancing my knowledge and Thank you...! oracle training in chennai

anand said...

nice post
Software Testing Training in Chennai | Certification | Online
Courses



Software Testing Training in Chennai

Software Testing Online Training in Chennai

Software Testing Courses in Chennai

Software Testing Training in Bangalore

Software Testing Training in Hyderabad

Software Testing Training in Coimbatore

Software Testing Training

Software Testing Online Training

Jayalakshmi said...

I am glad that I saw this post. It is informative blog for us and we need this type of blog thanks for share this blog, Keep posting such instructional blogs and I am looking forward for your future posts.
data science training in chennai

data science training in tambaram

android training in chennai

android training in tambaram

devops training in chennai

devops training in tambaram

artificial intelligence training in chennai

artificial intelligence training in tambaram

James Williams said...

Great Post, Thanks for sharing such a wonderful information.
Java Online Training
Java Online Training In Chennai
Java online Course in Chennai

ramesh said...


I recently came across your article and have been reading along. I want to express my admiration of your writing skill and ability to make readers read from the beginning to the end. I would like to read newer posts and to share my thoughts with you.Your post is just outstanding! thanks for such a post,its really going great and great work.You have provided great knowledge

Azure Training in Chennai

Azure Training in Bangalore

Azure Training in Hyderabad

Azure Training in Pune

Azure Training | microsoft azure certification | Azure Online Training Course

Azure Online Training

shiny said...

Your blog is nice. I believe this will surely help the readers who are really in need of this vital piece of information.


hardware and networking training in chennai

hardware and networking training in annanagar

xamarin training in chennai

xamarin training in annanagar

ios training in chennai

ios training in annanagar

iot training in chennai

iot training in annanagar

devi said...

Nice post. Thanks for sharing! I want people to know just how good this information is in your article. It’s interesting content and Great work.
Data Science Training In Chennai

Data Science Online Training In Chennai

Data Science Training In Bangalore

Data Science Training In Hyderabad

Data Science Training In Coimbatore

Data Science Training

Data Science Online Training

prabhu said...

Thanks for giving great kind of information. So useful and practical for me. Thanks for your excellent blog, nice work keep it up thanks for sharing the knowledge.IELTS Coaching in chennai

German Classes in Chennai

GRE Coaching Classes in Chennai

TOEFL Coaching in Chennai

spoken english classes in chennai | Communication training


vivekvedha said...

The site was so nice, I found out about a lot of great things. I like the way you make your blog posts.
acte chennai

acte complaints

acte reviews

acte trainer complaints

acte trainer reviews

acte velachery reviews complaints

acte tambaram reviews complaints

acte anna nagar reviews complaints

acte porur reviews complaints

acte omr reviews complaints

radhika said...

A very nice guide. I will definitely follow these tips. Thank you for sharing such detailed article. I am learning a lot from you.


AWS Course in Bangalore

AWS Course in Hyderabad

AWS Course in Coimbatore

AWS Course

AWS Certification Course

AWS Certification Training

AWS Online Training

AWS Training



Anonymous said...
This comment has been removed by the author.
vivekvedha said...

Wonderful post. Thanks for taking time to share this information with us.
acte reviews

acte velachery reviews

acte tambaram reviews

acte anna nagar reviews

acte porur reviews

acte omr reviews

acte chennai reviews

acte student reviews

sindhuja cynixit said...

Thank you for sharing valuable information.
ui path online training
rpa uipath training in hyderabad
uipath certification course
best uipath training in hyderabad


Rohini said...

Really impressed! Everything is very open and very clear clarification of issues. It contains truly facts. Your website is very valuable. Thanks for sharing.
data science course in Hyderabad

onlineeprofile said...

Best place to design your digital visiting card & Mini website in Rs 100
Miniwebsite

Giant Brand Solutions said...

Your content is nothing short of brilliant in many ways. I think this is engaging and eye-opening material. Thank you so much for caring about your content and your readers. I suggest everyone takes the One Funnel Away Challenge 2021, giant brand solutions, One Funnel Away Challenge, 1 Funnel Away Challenge, https://giantbrandsolutions.com/, resurge reviews, resurge, seo for small business

J L N said...

For online microsoft Certification Exams
<1--- 1st azure set --->
c
online microsoft azure administrator certification exams edchart
online microsoft azure infrastructure & deployment certification exams edchart
online microsoft azure data analyst certification exams edchart
online microsoft-designing-an-azure-data-solution-certification exams edchart
online microsoft-azure-relational-database-admin-certification exams edchart
online microsoft-azure-iot-developer- certification exams edchart
online designing-and-implementing-microsoft-azure-devops-certification exams edchart
online microsoft-azure-security-technologies-certification exams edchart

J L N said...

edchart

For online microsoft Certification Exams
<1--- 1st azure set --->

online microsoft azure administrator certification exams edchart
online microsoft azure infrastructure & deployment certification exams edchart
online microsoft azure data analyst certification exams edchart
online microsoft-designing-an-azure-data-solution-certification exams edchart
online microsoft-azure-relational-database-admin-certification exams edchart
online microsoft-azure-iot-developer- certification exams edchart
online designing-and-implementing-microsoft-azure-devops-certification exams edchart
online microsoft-azure-security-technologies-certification exams edchart

Maneesha said...

What’s up to everyone, because I am really keen on reading this web site’s post to be updated on a regular basis. It consists of nice information.
data scientist training in hyderabad

Maneesha said...

These are in fact fantastic ideas in about blogging. You have touched some nice things here. Any way keep up writing.
data scientist training in hyderabad

Anonymous said...

This is a very nice one and gives in-depth information. I am really happy with the quality and presentation of the article. I’d really like to appreciate the efforts you get with writing this post. Thanks for sharing.
Artificial intelligence Classes in pune

Anonymous said...

This is a very nice one and gives in-depth information. I am really happy with the quality and presentation of the article. I’d really like to appreciate the efforts you get with writing this post. Thanks for sharing.
UiPath course in pune

Alka said...


Your article is very interesting. thanks for share information

will smith net worth
Deepika Padukone
ethan-wacker-height
heidi-gardner-height
ethan-wacker-height
emma-stone-height

Priya Rathod said...

Just now I read your blog, it is very helpful and looking very nice and useful information.
Data Science Training in Hyderabad
Data Science Course in Hyderabad

Anand Shankar said...

Very very informative blog post.
one funnel away challenge
one funnel away challenge
one funnel away challenge
one funnel away challenge
one funnel away challenge
one funnel away challenge
one funnel away challenge
one funnel away challenge
one funnel away challenge
one funnel away challenge

Devi said...

Infycle Technologies, the No.1 software training institute in Chennai offers the No.1 Big Data course in Chennai for tech professionals and students at the best offers. In addition to the Big Data course, other in-demand courses such as Python, Selenium, Oracle, Java, Python, Power BI, Digital Marketing also will be trained with 100% practical classes. After the completion of training, the trainees will be sent for placement interviews in the top MNC's. Call 7504633633 to get more info and a free demo.No.1 Big Data Course in Chennai | Infycle Technologies

MVLTR Apps for Android said...

Expected to create you a tiny word to thank you once more in regards to the pleasant ideas you've contributed here…

Data Science Training in Hyderabad

Ramesh Sampangi said...

Nice blog and informative blog. Thanks for sharing this blog with us.
Python Course in Hyderabad

Ramesh Sampangi said...

Great article, Nice information.
Data Science Institutes in Hyderabad

sneha said...

Thankful for Sharing This Article. It is incredibly such a ton of huge substance. I trust these Commenting records will serve to my site…

Data Science Training in Hyderabad

DS Digital Analytics said...

wow... what a great blog, this writter who wrote this article is realy a great blogger, this article so good , would help a lot who are in to programming and also students .
Thank you!

data science course in tambaram

DS Digital Analytics said...

wow... what a great blog, this writter who wrote this article is realy a great blogger, this article so good , would help a lot who are in to programming and also students .
Thank you!

data science training in tambaram

DSDA said...

Excellent post on Programming . It is what i was searching for.I would like to suggest you that please keep sharing such type of info.Thanks

manasha said...

Great post. keep sharing such a worthy information.
Swift Developer Course in Chennai
Swift Training in Bangalore
Learn Swift Online

Reshma said...

This post is so interactive and informative.keep update more information...
Machine Learning Course in Bangalore
Machine Learning Training in Bangalore

Deekshitha said...

Infortmative blog
data analytics course in jamshedpur

japanyadongcom said...

I would like to thank you for the efforts you have made in writing this article. I am hoping the same best work from you in the future as well. Feel free to visit my website; 일본야동
일본야동
국산야동
일본야동
한국야동


yahanvideonet said...

I have read your excellent post. This is a great job. I have enjoyed reading your post first time. I want to say thanks for this post. Thank you… Feel free to visit my website; 일본야동
일본야동
국산야동
일본야동
한국야동

chinayadongnet said...

wow, its a incredible information. thanks for sharing. i think this article would be nice if you put some image to help describing the topic. Feel free to visit my website; 일본야동
일본야동
국산야동
일본야동
한국야동

liftndriftpaperplane said...

Incredible post I should say and a debt of gratitude is in order for the data. Schooling is certainly a tacky subject. Be that as it may, is still among the main subjects within recent memory. I appreciate your post and anticipate more. You have made some valid statements there. I looked on the web to study the issue and discovered a great many people will oblige your perspectives on this site...
how to make a paper airplane eagle
science behind paper airplanes | how to make a paper airplane that flies far and straight step by step | classic dart paper airplane

Ramesh Sampangi said...

Really an awesome blog and informative content. Keep sharing more blogs with us. If you want to learn a data science course, follow the below link.
Data Science Course in Hyderabad

Unknown said...

Thanks a lot for one’s intriguing write-up. It’s actually exceptional. Searching ahead for this sort of revisions. data science course in mysore

Unknown said...

I love the way you write and share your niche! Very interesting and different! Keep it coming! data science course in mysore

aswini said...

Thank you for sharing the information.The article is very useful for us.If you want to know more :

Azure Training in Chennai

vrindha said...

When activated, it will change your current home page, search page, and a new tab without any authorization or understanding. If infected by this malware, you may be confronted with problems such as the slowness and inability to respond to your PC, the appearance of fake notifications and alerts, redirection of web searches, and more. rts dsrlte

MCIT Education said...

Thanks for sharing informative article. This a good and great content.Keep sharing with us.
website designing course in rishikesh

srikanth digital said...

Thanks for posting such an informative article
This article is very useful for us
For more: https://www.cmsforca.in/cma/

srikanth digital said...

Nice Article thanks for sharing
Best Junior Colleges in Hyderabad for MEC

srikanth digital said...

Nice Post Really Helpful for me Thanks for Sharing
Best CMA institute in Hyderabad

srikanth digital said...

Nice Article Thanks for Sharing it was really helpful for me

B.Com Computers Colleges in Hyderabad

srikanth digital said...

This was a nice blog. I am very impressed with your post because this post is very helpful to me, Thanks for sharing this post.

CMA Coaching Centres in Hyderabad

Upendar said...

Passionate about sharing valuable insights and helpful information. Grateful to connect with you on this digital platform. Feel free to explore and discover a wealth of knowledge that can enhance your life. Let's embark on this journey together!

Digital Marketing Training in Hyderabad

Upendar said...

Great article, Nice information.

Data Science Training in Hyderabad

Upendar said...

Thank you for sharing the information. The article is very useful for us .If you want to know more .

AI Training in Hyderabad

Upendar said...

Nice post. keep sharing such a worthy information.

Machine Learning Training in Hyderabad

Punyam said...

Thank you for this excellent post. I always appreciate such superb content. The ideas are excellent, and the content provides valuable information of various kinds.

ISO 22301 Lead Auditor Training

python ai programming said...

Great information.