1z0-909 Exam Dumps : MySQL 8.0 Database Developer

SELECT NULL <> NULL;

SELECT NULL <=> NULL;

SELECT NULL = NULL;

SELECT NULL := NULL;

Enable the mysqli extension in the php.ini file.

Replace line 2 with Slink = mysql.connect {"localhost: 3306n, "username", "pas "schema") ;

Replace line 2 With: Slink = mysql_xdevapi\getSession

("mysqlx://username:password@localhost:3306","schema");

Install the PHP executable in the path used by the MySQL installation.

An error is generated because srid o is an invalid identifier value.

Execution succeeds with a warning.

An error is generated because the index prevents changes to the column.

Execution succeeds and allows the use of the index by the optimizer.