Structured-Query-Language-SQL-/operator in SQL.txt at main · Unique982/Structured-Query-Language-SQL- · GitHub

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// Not equal operator
Ex:  SELECT * from student_reg WHERE name !='SITA';
+------+---------+---------+------------+-----------+
| s_id | name    | address | dob        | fees      |
+------+---------+---------+------------+-----------+
|  101 | RAM     | KTM     | 1998-12-15 |   1000.23 |
|  103 | HARI    | PKR     | 2001-01-12 |  10000.52 |
|  104 | BIMAl   | KTM     | NULL       |   1001.23 |
|  105 | KAMAL   | PKR     | 1956-12-12 | 100000.12 |
|  106 | SITA KC | PKR     | 1998-02-02 |  20000.12 |
+------+---------+---------+------------+-----------+

// Greater Than operator
Ex: SELECT * FROM student_reg WHERE fees > 20000;
+------+---------+---------+------------+-----------+
| s_id | name    | address | dob        | fees      |
+------+---------+---------+------------+-----------+
|  102 | SITA    | KTM     | 2001-10-11 | 200000.12 |
|  105 | KAMAL   | PKR     | 1956-12-12 | 100000.12 |
|  106 | SITA KC | PKR     | 1998-02-02 |  20000.12 |
+------+---------+---------+------------+-----------+


// Lessthan operator
ex:  SELECT * FROM student_reg WHERE fees < 20000;
+------+-------+---------+------------+----------+
| s_id | name  | address | dob        | fees     |
+------+-------+---------+------------+----------+
|  101 | RAM   | KTM     | 1998-12-15 |  1000.23 |
|  103 | HARI  | PKR     | 2001-01-12 | 10000.52 |
|  104 | BIMAl | KTM     | NULL       |  1001.23 |
+------+-------+---------+------------+----------+

// lessthan  or equal
ex: SELECT * FROM student_reg WHERE fees <= 20000;
+------+-------+---------+------------+----------+
| s_id | name  | address | dob        | fees     |
+------+-------+---------+------------+----------+
|  101 | RAM   | KTM     | 1998-12-15 |  1000.23 |
|  103 | HARI  | PKR     | 2001-01-12 | 10000.52 |
|  104 | BIMAl | KTM     | NULL       |  1001.23 |
+------+-------+---------+------------+----------+

// greaterthan  or equal
ex: SELECT * FROM student_reg WHERE fees >= 20000;
+------+---------+---------+------------+-----------+
| s_id | name    | address | dob        | fees      |
+------+---------+---------+------------+-----------+
|  102 | SITA    | KTM     | 2001-10-11 | 200000.12 |
|  105 | KAMAL   | PKR     | 1956-12-12 | 100000.12 |
|  106 | SITA KC | PKR     | 1998-02-02 |  20000.12 |
+------+---------+---------+------------+-----------+