* added keywords from mysql & mariadb recent versions

See 6c62022d

Closes #1839

Closes #1826

Issue #1836

Issue #1787

Closes #1833
Closes #1834

Closes #1830

Issue #1824

Issue #1825

Closes #1803

There must be an error in line 73 because if the phrase starts at the
same character position then conditional if will always become true
(same number is equal to same number) therefore it must be changed to
strict less than.

Closes #1820