Tutorial 5- Primary Key, Foreign Key, Check And Default Constraints-MySQL Complete Playlist
SQL constraints are used to specify any rules for the records in a table.
Constraints can be used to limit the type of data that can go into a table.
It ensures the accuracy and reliability of the records in the table, and
if there is any violation between the constraint and the record action,
the action is aborted. Constraints can be column level or table level.
Column level constraints apply to a column, and table-level constraints
apply to the whole table.
This is the Part 1 series
1. Not Null
2. Unique
3. Primary Key
4. Foreign Key
5. Check
6. Default
7. Index
#mysqltutorial
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Видео Tutorial 5- Primary Key, Foreign Key, Check And Default Constraints-MySQL Complete Playlist канала Krish Naik
Constraints can be used to limit the type of data that can go into a table.
It ensures the accuracy and reliability of the records in the table, and
if there is any violation between the constraint and the record action,
the action is aborted. Constraints can be column level or table level.
Column level constraints apply to a column, and table-level constraints
apply to the whole table.
This is the Part 1 series
1. Not Null
2. Unique
3. Primary Key
4. Foreign Key
5. Check
6. Default
7. Index
#mysqltutorial
Subscribe @Krish Naik Vlogs channel for more educational videos on finance and investment
Please donate if you want to support the channel through GPay UPID,
Gpay: krishnaik06@okicici
Telegram link: https://t.me/joinchat/N77M7xRvYUd403DgfE4TWw
#datanalyst #roadmaptobecomedatanalyst
Please join as a member in my channel to get additional benefits like materials in Data Science, live streaming for Members and many more
https://www.youtube.com/channel/UCNU_lfiiWBdtULKOw6X0Dig/join
-----------------------------------------------------------------------------------------------------------------------
Connect with me here:
Twitter: https://twitter.com/Krishnaik06
Facebook: https://www.facebook.com/krishnaik06
instagram: https://www.instagram.com/krishnaik06
-----------------------------------------------------------------------------------------------------------------------
Видео Tutorial 5- Primary Key, Foreign Key, Check And Default Constraints-MySQL Complete Playlist канала Krish Naik
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