MySQL Server Version Reference  /  Keywords and Reserved Words  /  Keywords and Reserved Words in MySQL 5.6

3.1 Keywords and Reserved Words in MySQL 5.6

This section provides information about keywords and reserved words in MySQL 5.6.

MySQL 5.6 Keywords and Reserved Words

The following list shows the keywords and reserved words in MySQL 5.6, along with changes to individual words from version to version. Reserved keywords are marked with (R).

A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z

A

  • ACCESSIBLE (R)

  • ACTION

  • ADD (R)

  • AFTER

  • AGAINST

  • AGGREGATE

  • ALGORITHM

  • ALL (R)

  • ALTER (R)

  • ANALYSE; added in 5.6.6 (nonreserved)

  • ANALYZE (R)

  • AND (R)

  • ANY

  • AS (R)

  • ASC (R)

  • ASCII

  • ASENSITIVE (R)

  • AT

  • AUTHORS; removed in 5.6.8

  • AUTOEXTEND_SIZE

  • AUTO_INCREMENT

  • AVG

  • AVG_ROW_LENGTH

B

  • BACKUP

  • BEFORE (R)

  • BEGIN

  • BETWEEN (R)

  • BIGINT (R)

  • BINARY (R)

  • BINLOG

  • BIT

  • BLOB (R)

  • BLOCK

  • BOOL

  • BOOLEAN

  • BOTH (R)

  • BTREE

  • BY (R)

  • BYTE

C

  • CACHE

  • CALL (R)

  • CASCADE (R)

  • CASCADED

  • CASE (R)

  • CATALOG_NAME

  • CHAIN

  • CHANGE (R)

  • CHANGED

  • CHAR (R)

  • CHARACTER (R)

  • CHARSET

  • CHECK (R)

  • CHECKSUM

  • CIPHER

  • CLASS_ORIGIN

  • CLIENT

  • CLOSE

  • COALESCE

  • CODE

  • COLLATE (R)

  • COLLATION

  • COLUMN (R)

  • COLUMNS

  • COLUMN_FORMAT; added in 5.6.6 (nonreserved)

  • COLUMN_NAME

  • COMMENT

  • COMMIT

  • COMMITTED

  • COMPACT

  • COMPLETION

  • COMPRESSED

  • CONCURRENT

  • CONDITION (R)

  • CONNECTION

  • CONSISTENT

  • CONSTRAINT (R)

  • CONSTRAINT_CATALOG

  • CONSTRAINT_NAME

  • CONSTRAINT_SCHEMA

  • CONTAINS

  • CONTEXT

  • CONTINUE (R)

  • CONTRIBUTORS; removed in 5.6.8

  • CONVERT (R)

  • CPU

  • CREATE (R)

  • CROSS (R)

  • CUBE

  • CURRENT; added in 5.6.4 (nonreserved)

  • CURRENT_DATE (R)

  • CURRENT_TIME (R)

  • CURRENT_TIMESTAMP (R)

  • CURRENT_USER (R)

  • CURSOR (R)

  • CURSOR_NAME

D

  • DATA

  • DATABASE (R)

  • DATABASES (R)

  • DATAFILE

  • DATE

  • DATETIME

  • DAY

  • DAY_HOUR (R)

  • DAY_MICROSECOND (R)

  • DAY_MINUTE (R)

  • DAY_SECOND (R)

  • DEALLOCATE

  • DEC (R)

  • DECIMAL (R)

  • DECLARE (R)

  • DEFAULT (R)

  • DEFAULT_AUTH; added in 5.6.4 (nonreserved)

  • DEFINER

  • DELAYED (R)

  • DELAY_KEY_WRITE

  • DELETE (R)

  • DESC (R)

  • DESCRIBE (R)

  • DES_KEY_FILE

  • DETERMINISTIC (R)

  • DIAGNOSTICS; added in 5.6.4 (nonreserved)

  • DIRECTORY

  • DISABLE

  • DISCARD

  • DISK

  • DISTINCT (R)

  • DISTINCTROW (R)

  • DIV (R)

  • DO

  • DOUBLE (R)

  • DROP (R)

  • DUAL (R)

  • DUMPFILE

  • DUPLICATE

  • DYNAMIC

E

  • EACH (R)

  • ELSE (R)

  • ELSEIF (R)

  • ENABLE

  • ENCLOSED (R)

  • END

  • ENDS

  • ENGINE

  • ENGINES

  • ENUM

  • ERROR

  • ERRORS

  • ESCAPE

  • ESCAPED (R)

  • EVENT

  • EVENTS

  • EVERY

  • EXCHANGE

  • EXECUTE

  • EXISTS (R)

  • EXIT (R)

  • EXPANSION

  • EXPIRE; added in 5.6.6 (nonreserved)

  • EXPLAIN (R)

  • EXPORT; added in 5.6.6 (nonreserved)

  • EXTENDED

  • EXTENT_SIZE

F

  • FALSE (R)

  • FAST

  • FAULTS

  • FETCH (R)

  • FIELDS

  • FILE

  • FIRST

  • FIXED

  • FLOAT (R)

  • FLOAT4 (R)

  • FLOAT8 (R)

  • FLUSH

  • FOR (R)

  • FORCE (R)

  • FOREIGN (R)

  • FORMAT; added in 5.6.5 (nonreserved)

  • FOUND

  • FROM (R)

  • FULL

  • FULLTEXT (R)

  • FUNCTION

G

  • GENERAL; became nonreserved in 5.6.1

  • GEOMETRY

  • GEOMETRYCOLLECTION

  • GET (R); added in 5.6.4 (reserved)

  • GET_FORMAT

  • GLOBAL

  • GRANT (R)

  • GRANTS

  • GROUP (R)

H

  • HANDLER

  • HASH

  • HAVING (R)

  • HELP

  • HIGH_PRIORITY (R)

  • HOST

  • HOSTS

  • HOUR

  • HOUR_MICROSECOND (R)

  • HOUR_MINUTE (R)

  • HOUR_SECOND (R)

I

  • IDENTIFIED

  • IF (R)

  • IGNORE (R)

  • IGNORE_SERVER_IDS; became nonreserved in 5.6.1

  • IMPORT

  • IN (R)

  • INDEX (R)

  • INDEXES

  • INFILE (R)

  • INITIAL_SIZE

  • INNER (R)

  • INOUT (R)

  • INSENSITIVE (R)

  • INSERT (R)

  • INSERT_METHOD

  • INSTALL

  • INT (R)

  • INT1 (R)

  • INT2 (R)

  • INT3 (R)

  • INT4 (R)

  • INT8 (R)

  • INTEGER (R)

  • INTERVAL (R)

  • INTO (R)

  • INVOKER

  • IO

  • IO_AFTER_GTIDS (R); added in 5.6.5 (reserved)

  • IO_BEFORE_GTIDS (R); added in 5.6.5 (reserved)

  • IO_THREAD

  • IPC

  • IS (R)

  • ISOLATION

  • ISSUER

  • ITERATE (R)

J

  • JOIN (R)

K

  • KEY (R)

  • KEYS (R)

  • KEY_BLOCK_SIZE

  • KILL (R)

L

  • LANGUAGE

  • LAST

  • LEADING (R)

  • LEAVE (R)

  • LEAVES

  • LEFT (R)

  • LESS

  • LEVEL

  • LIKE (R)

  • LIMIT (R)

  • LINEAR (R)

  • LINES (R)

  • LINESTRING

  • LIST

  • LOAD (R)

  • LOCAL

  • LOCALTIME (R)

  • LOCALTIMESTAMP (R)

  • LOCK (R)

  • LOCKS

  • LOGFILE

  • LOGS

  • LONG (R)

  • LONGBLOB (R)

  • LONGTEXT (R)

  • LOOP (R)

  • LOW_PRIORITY (R)

M

  • MASTER

  • MASTER_AUTO_POSITION; added in 5.6.5 (nonreserved)

  • MASTER_BIND (R); added in 5.6.1 (reserved)

  • MASTER_CONNECT_RETRY

  • MASTER_DELAY

  • MASTER_HEARTBEAT_PERIOD; became nonreserved in 5.6.1

  • MASTER_HOST

  • MASTER_LOG_FILE

  • MASTER_LOG_POS

  • MASTER_PASSWORD

  • MASTER_PORT

  • MASTER_RETRY_COUNT; added in 5.6.1 (nonreserved)

  • MASTER_SERVER_ID

  • MASTER_SSL

  • MASTER_SSL_CA

  • MASTER_SSL_CAPATH

  • MASTER_SSL_CERT

  • MASTER_SSL_CIPHER

  • MASTER_SSL_CRL; added in 5.6.3 (nonreserved)

  • MASTER_SSL_CRLPATH; added in 5.6.3 (nonreserved)

  • MASTER_SSL_KEY

  • MASTER_SSL_VERIFY_SERVER_CERT (R)

  • MASTER_USER

  • MATCH (R)

  • MAXVALUE (R)

  • MAX_CONNECTIONS_PER_HOUR

  • MAX_QUERIES_PER_HOUR

  • MAX_ROWS

  • MAX_SIZE

  • MAX_UPDATES_PER_HOUR

  • MAX_USER_CONNECTIONS

  • MEDIUM

  • MEDIUMBLOB (R)

  • MEDIUMINT (R)

  • MEDIUMTEXT (R)

  • MEMORY

  • MERGE

  • MESSAGE_TEXT

  • MICROSECOND

  • MIDDLEINT (R)

  • MIGRATE

  • MINUTE

  • MINUTE_MICROSECOND (R)

  • MINUTE_SECOND (R)

  • MIN_ROWS

  • MOD (R)

  • MODE

  • MODIFIES (R)

  • MODIFY

  • MONTH

  • MULTILINESTRING

  • MULTIPOINT

  • MULTIPOLYGON

  • MUTEX

  • MYSQL_ERRNO

N

  • NAME

  • NAMES

  • NATIONAL

  • NATURAL (R)

  • NCHAR

  • NDB

  • NDBCLUSTER

  • NEW

  • NEXT

  • NO

  • NODEGROUP

  • NONE

  • NOT (R)

  • NO_WAIT

  • NO_WRITE_TO_BINLOG (R)

  • NULL (R)

  • NUMBER; added in 5.6.4 (nonreserved)

  • NUMERIC (R)

  • NVARCHAR

O

  • OFFSET

  • OLD_PASSWORD

  • ON (R)

  • ONE

  • ONE_SHOT; became reserved in 5.6.1; removed in 5.6.5

  • ONLY; added in 5.6.5 (nonreserved)

  • OPEN

  • OPTIMIZE (R)

  • OPTION (R)

  • OPTIONALLY (R)

  • OPTIONS

  • OR (R)

  • ORDER (R)

  • OUT (R)

  • OUTER (R)

  • OUTFILE (R)

  • OWNER

P

  • PACK_KEYS

  • PAGE

  • PARSER

  • PARTIAL

  • PARTITION (R); became reserved in 5.6.2

  • PARTITIONING

  • PARTITIONS

  • PASSWORD

  • PHASE

  • PLUGIN

  • PLUGINS

  • PLUGIN_DIR; added in 5.6.4 (nonreserved)

  • POINT

  • POLYGON

  • PORT

  • PRECISION (R)

  • PREPARE

  • PRESERVE

  • PREV

  • PRIMARY (R)

  • PRIVILEGES

  • PROCEDURE (R)

  • PROCESSLIST

  • PROFILE

  • PROFILES

  • PROXY; added in 5.6.1 (nonreserved)

  • PURGE (R)

Q

  • QUARTER

  • QUERY

  • QUICK

R

  • RANGE (R)

  • READ (R)

  • READS (R)

  • READ_ONLY

  • READ_WRITE (R)

  • REAL (R)

  • REBUILD

  • RECOVER

  • REDOFILE

  • REDO_BUFFER_SIZE

  • REDUNDANT

  • REFERENCES (R)

  • REGEXP (R)

  • RELAY

  • RELAYLOG

  • RELAY_LOG_FILE

  • RELAY_LOG_POS

  • RELAY_THREAD

  • RELEASE (R)

  • RELOAD

  • REMOVE

  • RENAME (R)

  • REORGANIZE

  • REPAIR

  • REPEAT (R)

  • REPEATABLE

  • REPLACE (R)

  • REPLICATION

  • REQUIRE (R)

  • RESET

  • RESIGNAL (R)

  • RESTORE

  • RESTRICT (R)

  • RESUME

  • RETURN (R)

  • RETURNED_SQLSTATE; added in 5.6.4 (nonreserved)

  • RETURNS

  • REVERSE

  • REVOKE (R)

  • RIGHT (R)

  • RLIKE (R)

  • ROLLBACK

  • ROLLUP

  • ROUTINE

  • ROW

  • ROWS

  • ROW_COUNT; added in 5.6.4 (nonreserved)

  • ROW_FORMAT

  • RTREE

S

  • SAVEPOINT

  • SCHEDULE

  • SCHEMA (R)

  • SCHEMAS (R)

  • SCHEMA_NAME

  • SECOND

  • SECOND_MICROSECOND (R)

  • SECURITY

  • SELECT (R)

  • SENSITIVE (R)

  • SEPARATOR (R)

  • SERIAL

  • SERIALIZABLE

  • SERVER

  • SESSION

  • SET (R)

  • SHARE

  • SHOW (R)

  • SHUTDOWN

  • SIGNAL (R)

  • SIGNED

  • SIMPLE

  • SLAVE

  • SLOW; became nonreserved in 5.6.1

  • SMALLINT (R)

  • SNAPSHOT

  • SOCKET

  • SOME

  • SONAME

  • SOUNDS

  • SOURCE

  • SPATIAL (R)

  • SPECIFIC (R)

  • SQL (R)

  • SQLEXCEPTION (R)

  • SQLSTATE (R)

  • SQLWARNING (R)

  • SQL_AFTER_GTIDS; added in 5.6.5 (reserved); became nonreserved in 5.6.6

  • SQL_AFTER_MTS_GAPS; added in 5.6.6 (nonreserved)

  • SQL_BEFORE_GTIDS; added in 5.6.5 (reserved); became nonreserved in 5.6.6

  • SQL_BIG_RESULT (R)

  • SQL_BUFFER_RESULT

  • SQL_CACHE

  • SQL_CALC_FOUND_ROWS (R)

  • SQL_NO_CACHE

  • SQL_SMALL_RESULT (R)

  • SQL_THREAD

  • SQL_TSI_DAY

  • SQL_TSI_HOUR

  • SQL_TSI_MINUTE

  • SQL_TSI_MONTH

  • SQL_TSI_QUARTER

  • SQL_TSI_SECOND

  • SQL_TSI_WEEK

  • SQL_TSI_YEAR

  • SSL (R)

  • START

  • STARTING (R)

  • STARTS

  • STATS_AUTO_RECALC; added in 5.6.6 (nonreserved)

  • STATS_PERSISTENT; added in 5.6.6 (nonreserved)

  • STATS_SAMPLE_PAGES; added in 5.6.6 (nonreserved)

  • STATUS

  • STOP

  • STORAGE

  • STRAIGHT_JOIN (R)

  • STRING

  • SUBCLASS_ORIGIN

  • SUBJECT

  • SUBPARTITION

  • SUBPARTITIONS

  • SUPER

  • SUSPEND

  • SWAPS

  • SWITCHES

T

  • TABLE (R)

  • TABLES

  • TABLESPACE

  • TABLE_CHECKSUM

  • TABLE_NAME

  • TEMPORARY

  • TEMPTABLE

  • TERMINATED (R)

  • TEXT

  • THAN

  • THEN (R)

  • TIME

  • TIMESTAMP

  • TIMESTAMPADD

  • TIMESTAMPDIFF

  • TINYBLOB (R)

  • TINYINT (R)

  • TINYTEXT (R)

  • TO (R)

  • TRAILING (R)

  • TRANSACTION

  • TRIGGER (R)

  • TRIGGERS

  • TRUE (R)

  • TRUNCATE

  • TYPE

  • TYPES

U

  • UNCOMMITTED

  • UNDEFINED

  • UNDO (R)

  • UNDOFILE

  • UNDO_BUFFER_SIZE

  • UNICODE

  • UNINSTALL

  • UNION (R)

  • UNIQUE (R)

  • UNKNOWN

  • UNLOCK (R)

  • UNSIGNED (R)

  • UNTIL

  • UPDATE (R)

  • UPGRADE

  • USAGE (R)

  • USE (R)

  • USER

  • USER_RESOURCES

  • USE_FRM

  • USING (R)

  • UTC_DATE (R)

  • UTC_TIME (R)

  • UTC_TIMESTAMP (R)

V

  • VALUE

  • VALUES (R)

  • VARBINARY (R)

  • VARCHAR (R)

  • VARCHARACTER (R)

  • VARIABLES

  • VARYING (R)

  • VIEW

W

  • WAIT

  • WARNINGS

  • WEEK

  • WEIGHT_STRING

  • WHEN (R)

  • WHERE (R)

  • WHILE (R)

  • WITH (R)

  • WORK

  • WRAPPER

  • WRITE (R)

X

  • X509

  • XA

  • XML

  • XOR (R)

Y

  • YEAR

  • YEAR_MONTH (R)

Z

  • ZEROFILL (R)

MySQL 5.6 New Keywords and Reserved Words

The following list shows the keywords and reserved words that are added in MySQL 5.6, compared to MySQL 5.5. Reserved keywords are marked with (R).

A | C | D | E | F | G | I | M | N | O | P | R | S | W

A

  • ANALYSE

C

  • COLUMN_FORMAT

  • CURRENT

D

  • DEFAULT_AUTH

  • DIAGNOSTICS

E

  • EXCHANGE

  • EXPIRE

  • EXPORT

F

  • FORMAT

G

  • GET (R)

I

  • IO_AFTER_GTIDS (R)

  • IO_BEFORE_GTIDS (R)

M

  • MASTER_AUTO_POSITION

  • MASTER_BIND (R)

  • MASTER_DELAY

  • MASTER_RETRY_COUNT

  • MASTER_SSL_CRL

  • MASTER_SSL_CRLPATH

N

  • NUMBER

O

  • ONLY

P

  • PLUGIN_DIR

R

  • RETURNED_SQLSTATE

  • REVERSE

  • ROW_COUNT

S

  • SQL_AFTER_GTIDS

  • SQL_AFTER_MTS_GAPS

  • SQL_BEFORE_GTIDS

  • STATS_AUTO_RECALC

  • STATS_PERSISTENT

  • STATS_SAMPLE_PAGES

W

  • WEIGHT_STRING

MySQL 5.6 Removed Keywords and Reserved Words

The following list shows the keywords and reserved words that are removed in MySQL 5.6, compared to MySQL 5.5. Reserved keywords are marked with (R).

  • AUTHORS

  • CONTRIBUTORS

  • ONE_SHOT


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