Not equal : Operator « Select Clause « SQL / MySQL

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SQL / MySQL » Select Clause » Operator 
Not equal
      
mysql> # create a table called "product"
mysql> CREATE TABLE IF NOT EXISTS product
    -> (
    ->   code           CHAR(8)         PRIMARY KEY,
    ->   model          VARCHAR(25)     NOT NULL,
    ->   fabric VARCHAR(25)     DEFAULT "Cloth",
    ->   price          DECIMAL(6,2)    NOT NULL
    -> );
Query OK, rows affected (0.00 sec)

mysql>
mysql> INSERT INTO product (code, model, price)   VALUES ("1""Clerk"19.99);
Query OK, row affected (0.00 sec)

mysql> INSERT INTO product (code, model, price)   VALUES ("2""Secretary"34.99);
Query OK, row affected (0.00 sec)

mysql> INSERT INTO product (code, model, fabric, price)   VALUES ("617/9131""Manager""Leather"49.99);
Query OK, row affected (0.00 sec)

mysql> INSERT INTO product (code, model, fabric, price)   VALUES ("621/0258""Captain""Wood"99.99);
Query OK, row affected (0.00 sec)

mysql> INSERT INTO product (code, model, fabric, price)   VALUES ("619/6444""Executive""Leather"124.99);
Query OK, row affected (0.00 sec)

mysql>
mysql> # show all data in the "product" table
mysql> SELECT FROM product;
+----------+-----------+---------+--------+
| code     | model     | fabric  | price  |
+----------+-----------+---------+--------+
1        | Clerk     | Cloth   |  19.99 |
2        | Secretary | Cloth   |  34.99 |
617/9131 | Manager   | Leather |  49.99 |
621/0258 | Captain   | Wood    |  99.99 |
619/6444 | Executive | Leather | 124.99 |
+----------+-----------+---------+--------+
rows in set (0.00 sec)

mysql>
mysql> # show all records where the fabric is "Leather"
mysql> SELECT FROM product WHERE fabric = "Leather";
+----------+-----------+---------+--------+
| code     | model     | fabric  | price  |
+----------+-----------+---------+--------+
617/9131 | Manager   | Leather |  49.99 |
619/6444 | Executive | Leather | 124.99 |
+----------+-----------+---------+--------+
rows in set (0.00 sec)

mysql>
mysql> # show all records where the fabric is not "Leather"
mysql> SELECT FROM product WHERE fabric != "Leather";
+----------+-----------+--------+-------+
| code     | model     | fabric | price |
+----------+-----------+--------+-------+
1        | Clerk     | Cloth  | 19.99 |
2        | Secretary | Cloth  | 34.99 |
621/0258 | Captain   | Wood   | 99.99 |
+----------+-----------+--------+-------+
rows in set (0.00 sec)

mysql>
mysql> # delete this sample table
mysql> DROP TABLE IF EXISTS product;
Query OK, rows affected (0.00 sec)

mysql>

   
    
    
    
    
    
  
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