# SYSCS_UTIL.SYSCS_SET_DATABASE_PROPERTY system procedure

Use the `SYSCS_UTIL.SYSCS_SET_DATABASE_PROPERTY` system procedure to set or delete the value of a property of the database on the current connection.

If "VALUE" is not null, then the property with key value "KEY" is set to "VALUE". If "VALUE" is null, then the property with key value "KEY" is deleted from the database property set.

#### Syntax

    SYSCS_UTIL.SYSCS_GET_DATABASE_PROPERTY(IN KEY VARCHAR(128),
    IN VALUE VARCHAR(32672))

This procedure does not return any results.

#### JDBC example

Set the `derby.locks.deadlockTimeout` property to a value of 10:

    CallableStatement cs = conn.prepareCall
    ("CALL SYSCS_UTIL.SYSCS_SET_DATABASE_PROPERTY(?, ?)");
    cs.setString(1, "derby.locks.deadlockTimeout");
    cs.setString(2, "10");
    cs.execute();
    cs.close();

#### SQL example

Set the `derby.locks.deadlockTimeout` property to a value of 10:

    CALL SYSCS_UTIL.SYSCS_SET_DATABASE_PROPERTY
    ('derby.locks.deadlockTimeout', '10');

Parent topic: Built-in system procedures