Free Access Oracle 1z0-883 New Release

The RPM installation script sets a default password of password for new installations.

The local root user must log in with a blank password initially: mysql –u root –p.

New security measures mean that the mysql_secure_installation script must be run first on all new installations.

The mysql_install_bd post-installation script used – random-password.

BIT columns are written by InnoDB at the head of the row, meaning they are always the first to be retrieved.

Multiple BIT columns pack tightly into a row, using less space.

BIT (8) takes less space than eight TINYINT fields.

The BIT columns can be manipulated with the bitwise operators &, |, ~, ^, <<, and >>. The other integer types cannot.

It rejects statements that try to insert out-of-range values

It rejects invalid dates.

It limits the operations that the server can perform.

It rejects queries that produce out-of-range values.

It rejects dates with zero day or month values.

Mysql> LOAD DATA INFILE ‘/tmp/t1.sql’ INTO TABLE t1;

$ mysqladmin – u root – p – h localhost test – restore /tmp/t1.sql

$ mysql – u root – p – h localhost test < /tmp/t1.sql

$ mysqlimport – u root – p – h localhost test /tmp/t1.sql

Mysql> INSERT INTO t1 VALUES FROM ‘/tmp/t1.sql’;