Reserved keywords¶

Percona Server for MySQL defines additional reserved keywords that are not included in the MySQL reserved keyword list. When you use Percona Server for MySQL, consider these keywords reserved in addition to the MySQL reserved keywords .

Reserved keywords have a special meaning in SQL syntax and cannot be used as unquoted identifiers. To use a reserved keyword as an identifier, enclose it in backticks (`).

The following reserved keywords are specific to Percona Server for MySQL:

CLIENT_STATISTICS
CLUSTERING
COMPRESSION_DICTIONARY
EFFECTIVE
INDEX_STATISTICS
SEQUENCE_TABLE (Deprecated)
PERCONA_SEQUENCE_TABLE
TABLE_STATISTICS
THREAD_STATISTICS
USER_STATISTICS