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Friday, 17 September 2021

What are SQL Data Types in sql and how to create table in telugu 08

 https://youtu.be/Ywqq1l5bI3U

--------------------------------------------
SHOW TABLES;

SHOW COLUMNS FROM tablename;

DESC tablename;

MariaDB [vlrinst]> show databases;
+--------------------+
| Database           |
+--------------------+
| information_schema |
| mysql              |
| performance_schema |
| phpmyadmin         |
| student            |
| test               |
| vlrinst            |
+--------------------+
7 rows in set (0.00 sec)

MariaDB [vlrinst]> show tables;
+-------------------+
| Tables_in_vlrinst |
+-------------------+
| faculty           |
| persons           |
+-------------------+
2 rows in set (0.00 sec)

MariaDB [vlrinst]> desc faculty;
+---------+-------------+------+-----+---------+-------+
| Field   | Type        | Null | Key | Default | Extra |
+---------+-------------+------+-----+---------+-------+
| fid     | int(11)     | YES  |     | NULL    |       |
| fname   | varchar(10) | YES  |     | NULL    |       |
| fmobile | int(12)     | YES  |     | NULL    |       |
| floc    | varchar(20) | YES  |     | NULL    |       |
| fma     | char(1)     | YES  |     | NULL    |       |
+---------+-------------+------+-----+---------+-------+
5 rows in set (0.04 sec)

MariaDB [vlrinst]> desc persons;
+-----------+--------------+------+-----+---------+-------+
| Field     | Type         | Null | Key | Default | Extra |
+-----------+--------------+------+-----+---------+-------+
| PersonID  | int(11)      | YES  |     | NULL    |       |
| LastName  | varchar(255) | YES  |     | NULL    |       |
| FirstName | varchar(255) | YES  |     | NULL    |       |
| Address   | varchar(255) | YES  |     | NULL    |       |
| City      | varchar(255) | YES  |     | NULL    |       |
+-----------+--------------+------+-----+---------+-------+
5 rows in set (0.03 sec)

MariaDB [vlrinst]>

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