Create index on a column : Index « Table Index « SQL / MySQL

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SQL / MySQL » Table Index » Index 
Create index on a column

/*
mysql> Drop table Product;
Query OK, 0 rows affected (0.00 sec)

mysql> CREATE TABLE Product
    -> (
    ->    ID SMALLINT UNSIGNED NOT NULL PRIMARY KEY,
    ->    ModelID SMALLINT UNSIGNED NOT NULL
    -> );
Query OK, 0 rows affected (0.06 sec)

mysql> CREATE INDEX index_1 ON Product (ModelID);
Query OK, 0 rows affected (0.10 sec)
Records: 0  Duplicates: 0  Warnings: 0

mysql> Describe Product;
+---------+----------------------+------+-----+---------+-------+
| Field   | Type                 | Null | Key | Default | Extra |
+---------+----------------------+------+-----+---------+-------+
| ID      | smallint(5) unsigned |      | PRI | 0       |       |
| ModelID | smallint(5) unsigned |      | MUL | 0       |       |
+---------+----------------------+------+-----+---------+-------+
2 rows in set (0.01 sec)


*/
Drop table Product;

CREATE TABLE Product
(
   ID SMALLINT UNSIGNED NOT NULL PRIMARY KEY,
   ModelID SMALLINT UNSIGNED NOT NULL
);

CREATE INDEX index_1 ON Product (ModelID);

Describe Product;

           
       
Related examples in the same category
1. Creating a Table with an Index
2. Create table: alter table to drop index
3. Create table: Make index
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