2. What is Data Definition Language? Use of CREATE, ALTER, DROP, RENAME and TRUNCATE Commands.
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- Опубликовано: 15 дек 2019
- Welcome guys! I'm CA and in this video I'll explain in detail the Data Definition Language (DDL) and the different commands in DDL which are CREATE, ALTER, DROP, RENAME and TRUNCATE. Watch this video till end and let's get started!
NOTE:- I'LL EXPLAIN THE PROCESS OF CREATING A TABLE AND A DATABASE IN DETAIL AFTER THE COMPLETION OF THEORETICAL CONCEPT OF SQL, SO DON'T WORRY ABOUT IT AND JUST FOCUS ON THE THEORY FOR NOW.!!
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I will recommend ur channel to my other mates. Damn ur explanation is so clear and precise that too in a short period of time. Really ur efforts means a lot ❣️
Thank you so much!🙂❤
As a newbie to SQL and coding, this is the best and clearest video I have ever watched so far. Thanks!
Thanks buddy😄
hi im from malaysia.U explain better than my lecturer.I can understand DDL now.Thankyou so much brooo!
Glad to hear that buddy!
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You are a lifesaver for my 11th standard IP journey.
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Best explanatory videos.. Thank you so much!! :)
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Thank you very much sir this video is very helpful for me🙂 nd your explanation is very best👍 I can understand DDL now.
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Hanastly understandable
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Mast hai content aur information keep it up👌🏻
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Explanation is imagine sir.👍👍👍👌👌👌👌
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Yea sure! I'll surely plan on that!
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in my sql application we can create database in a large volume .sql is dbms and query language where we can do crud operations am i correct?
Dbms is the application that is used to do CRUD operations on databases.. sql is just a query language.. u can think it of as a way to use dbms..
Sir you teaching us very well thanks sir
Thank you so much for the compliment 😊💗
Sir can you make a program so that we can understand how syntax works
I've already shown the practical implementation after the theory part in all the videos.
For more detailed concept, follow the SQL playlist on my channel.
For SQL programming part, follow up the *Problem solving* videos on the playlist.
@@EverythingComputerized so sorry for this comment and you are really good mentor can you make videos on python
No need to be sorry buddy!
I'm planning on it.. it will be uploaded soon!
Retrieve all the records from table plz bata dijiye kaise command likhe ge plz 😥😥😥
Watch my latest vdo... its on DQL and SELECT Command.. you can also have a look at DML vdo.. I have given a brief there, but I have explained your doubts in complete detail in my latest vdo on DQL..
Hope you are helped🙂
Thanx u very much🔥🔥
U r most welcome🙂
And all the best for your exams if you are giving one.🙋♂️
Drop and Delete are different??
The DELETE command deletes one or more existing records from the table in the database. The DROP Command drops the complete table from the database.
Source: scaler.com
you should give the syntax notes after video
I made this tutorial keeping school students in mind, so i assumed that viewers has a book.
If you are facing problems, I'll try to include the best notes for the concerned video.
Thanks for your feedback!
@@EverythingComputerized thank you bro and you explained very nicely
Nice to hear that my efforts are fruitful!
Thank you so much for support❤❤
How to add column before another column ????
In MySQL there's no method for BEFORE a column.
But the same behaviour can be achieved by adding AFTER a column.
To add a column_2 just after column_1:
ALTER TABLE table_name ADD COLUMN column_2 VARCHAR(30) AFTER column_1;
To add a column_1 at first in the table:
ALTER TABLE table_name ADD column_1 VARCHAR(30) FIRST;
Note: u can change VARCHAR to any data type of your choice! So be flexible in modifying the above syntaxes.
@@EverythingComputerized thank you so much♥️