把mysql用到的保留字记录下来，备忘。
| 保留字 | 保留字 | 保留字 |
| ADD | ALL | ALTER |
| ANALYZE | AND | AS |
| ASC | AUTO_INCREMENT | BDB |
| BEFORE | BERKELEYDB | BETWEEN |
| BIGINT | BINARY | BLOB |
| BOTH | BTREE | BY |
| CASCADE | CASE | CHANGE |
| CHAR | CHARACTER | CHECK |
| COLLATE | COLUMN | COLUMNS |
| CONSTRAINT | CREATE | CROSS |
| CURRENT_DATE | CURRENT_TIME | CURRENT_TIMESTAMP |
| DATABASE | DATABASES | DAY_HOUR |
| DAY_MINUTE | DAY_SECOND | DEC |
| DECIMAL | DEFAULT | DELAYED |
| DELETE | DESC | DESCRIBE |
| DISTINCT | DISTINCTROW | DIV |
| DOUBLE | DROP | ELSE |
| ENCLOSED | ERRORS | ESCAPED |
| EXISTS | EXPLAIN | FALSE |
| FIELDS | FLOAT | FOR |
| FORCE | FOREIGN | FROM |
| FULLTEXT | FUNCTION | GRANT |
| GROUP | HASH | HAVING |
| HIGH_PRIORITY | HOUR_MINUTE | HOUR_SECOND |
| IF | IGNORE | IN |
| INDEX | INFILE | INNER |
| INNODB | INSERT | INT |
| INTEGER | INTERVAL | INTO |
| IS | JOIN | KEY |
| KEYS | KILL | LEADING |
| LEFT | LIKE | LIMIT |
| LINES | LOAD | LOCALTIME |
| LOCALTIMESTAMP | LOCK | LONG |
| LONGBLOB | LONGTEXT | LOW_PRIORITY |
| MASTER_SERVER_ID | MATCH | MEDIUMBLOB |
| MEDIUMINT | MEDIUMTEXT | MIDDLEINT |
| MINUTE_SECOND | MOD | MRG_MYISAM |
| NATURAL | NOT | NULL |
| NUMERIC | ON | OPTIMIZE |
| OPTION | OPTIONALLY | OR |
| ORDER | OUTER | OUTFILE |
| PRECISION | PRIMARY | PRIVILEGES |
| PROCEDURE | PURGE | READ |
| REAL | REFERENCES | REGEXP |
| RENAME | REPLACE | REQUIRE |
| RESTRICT | RETURNS | REVOKE |
| RIGHT | RLIKE | RTREE |
| SELECT | SET | SHOW |
| SMALLINT | SOME | SONAME |
| SPATIAL | SQL_BIG_RESULT | SQL_CALC_FOUND_ROWS |
| SQL_SMALL_RESULT | SSL | STARTING |
| STRAIGHT_JOIN | STRIPED | TABLE |
| TABLES | TERMINATED | THEN |
| TINYBLOB | TINYINT | TINYTEXT |
| TO | TRAILING | TRUE |
| TYPES | UNION | UNIQUE |
| UNLOCK | UNSIGNED | UPDATE |
| USAGE | USE | USER_RESOURCES |
| USING | VALUES | VARBINARY |
| VARCHAR | VARCHARACTER | VARYING |
| WARNINGS | WHEN | WHERE |
| WITH | WRITE | XOR |
| YEAR_MONTH | ZEROFILL |