determines the type of a key. More...
Variables | |
| const long | PRIMARY = 1 |
| indicates that the key is the primary key of a table. | |
| const long | UNIQUE = 2 |
| indicates that the key is unique, NULL values are allowed. | |
| const long | FOREIGN = 3 |
| indicates that the key is a foreign key of a table. | |
determines the type of a key.
| const long FOREIGN = 3 |
indicates that the key is a foreign key of a table.
| const long PRIMARY = 1 |
indicates that the key is the primary key of a table.
| const long UNIQUE = 2 |
indicates that the key is unique, NULL values are allowed.