Algorithms/DML.txt at master · vikaspatra/Algorithms · GitHub

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DML COMMANDS:-

INSERT:-

mysql> insert into employee
    -> values(101,'Charmi','EXTC'),
    -> (201,'Bhavya','CS'),
    -> (301,'Disha','IT'),
    -> (401,'Mansi','CS'),
    -> (501,'Komal','EXTC'),
    -> (601,'Rahul','CS');
Query OK, 6 rows affected (0.03 sec)
Records: 6  Duplicates: 0  Warnings: 0

SELECT:-

mysql> select * from employee;
+--------+----------+--------+
| emp_no | emp_name | branch |
+--------+----------+--------+
|    101 | Charmi   | EXTC   |
|    201 | Bhavya   | CS     |
|    301 | Disha    | IT     |
|    401 | Mansi    | CS     |
|    501 | Komal    | EXTC   |
|    601 | Rahul    | CS     |
+--------+----------+--------+
6 rows in set (0.00 sec)

DELETE:-

mysql>  delete from employee where emp_no=501;
Query OK, 1 row affected (0.05 sec)

mysql> select * from employee;
+--------+----------+--------+
| emp_no | emp_name | branch |
+--------+----------+--------+
|    101 | Charmi   | EXTC   |
|    201 | Bhavya   | CS     |
|    301 | Disha    | IT     |
|    401 | Mansi    | CS     |
|    601 | Rahul    | CS     |
+--------+----------+--------+
5 rows in set (0.00 sec)

SELECT:-

mysql> select emp_name from employee where branch='IT';
+----------+
| emp_name |
+----------+
| Disha    |
+----------+
1 row in set (0.00 sec)

UPDATE:-

mysql> update employee set emp_name='Shreya' where emp_no=601;
Query OK, 1 row affected (0.03 sec)
Rows matched: 1  Changed: 1  Warnings: 0

mysql> select * from employee;
+--------+----------+--------+
| emp_no | emp_name | branch |
+--------+----------+--------+
|    101 | Charmi   | EXTC   |
|    201 | Bhavya   | CS     |
|    301 | Disha    | IT     |
|    401 | Mansi    | CS     |
|    601 | Shreya   | CS     |
+--------+----------+--------+
5 rows in set (0.00 sec)