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Abstract
This is the MySQL™ Reference Manual. It documents MySQL 5.5 through 5.5.9.
MySQL Cluster is currently not supported in MySQL 5.5. For information about MySQL Cluster, please see MySQL Cluster NDB 6.X/7.X.
MySQL 5.5 features. This manual describes features that are not included in every edition of MySQL 5.5; such features may not be included in the edition of MySQL 5.5 licensed to you. If you have any questions about the features included in your edition of MySQL 5.5, refer to your MySQL 5.5 license agreement or contact your Oracle sales representative.
Document generated on: 2010-12-15 (revision: 24467)
Table of Contents
AUTO_INCREMENTInnoDB TablesInnoDB TablesInnoDB Transaction ManagementInnoDB LoggingInnoDB TablesInnoDB QueriesInnoDB DDL OperationsInnoDB Disk I/OInnoDB Configuration VariablesInnoDB for Systems with Many TablesMyISAM TablesMEMORY TablesIS NULL OptimizationLEFT JOIN and RIGHT JOIN
OptimizationORDER BY OptimizationGROUP BY OptimizationDISTINCT OptimizationIN/=ANY SubqueriesGROUP BY ClausesALTER DATABASE SyntaxALTER EVENT SyntaxALTER FUNCTION SyntaxALTER PROCEDURE SyntaxALTER SERVER SyntaxALTER TABLE SyntaxALTER VIEW SyntaxCREATE DATABASE SyntaxCREATE EVENT SyntaxCREATE FUNCTION StatementCREATE INDEX SyntaxCREATE PROCEDURE and
CREATE FUNCTION SyntaxCREATE SERVER SyntaxCREATE TABLE SyntaxCREATE TRIGGER SyntaxCREATE VIEW SyntaxDROP DATABASE SyntaxDROP EVENT SyntaxDROP FUNCTION SyntaxDROP INDEX SyntaxDROP PROCEDURE and
DROP FUNCTION SyntaxDROP SERVER SyntaxDROP TABLE SyntaxDROP TRIGGER SyntaxDROP VIEW SyntaxRENAME TABLE SyntaxTRUNCATE TABLE SyntaxMyISAM Storage EngineInnoDB Storage EngineInnoDBInnoDB Startup Options and System VariablesInnoDB TablesInnoDB Data and Log
FilesInnoDB
DatabaseInnoDB Database to Another MachineInnoDB Transaction Model and LockingInnoDB Multi-VersioningInnoDB Table and Index StructuresInnoDB Disk I/O and File Space ManagementInnoDB Error HandlingInnoDB Performance Tuning and TroubleshootingInnoDB TablesINFORMATION_SCHEMA tablesMERGE Storage EngineMEMORY Storage EngineEXAMPLE Storage EngineFEDERATED Storage EngineARCHIVE Storage EngineCSV Storage EngineBLACKHOLE Storage EngineINFORMATION_SCHEMA TablesINFORMATION_SCHEMA SCHEMATA TableINFORMATION_SCHEMA TABLES TableINFORMATION_SCHEMA COLUMNS TableINFORMATION_SCHEMA STATISTICS TableINFORMATION_SCHEMA USER_PRIVILEGES TableINFORMATION_SCHEMA SCHEMA_PRIVILEGES TableINFORMATION_SCHEMA TABLE_PRIVILEGES TableINFORMATION_SCHEMA COLUMN_PRIVILEGES TableINFORMATION_SCHEMA CHARACTER_SETS TableINFORMATION_SCHEMA COLLATIONS TableINFORMATION_SCHEMA
COLLATION_CHARACTER_SET_APPLICABILITY TableINFORMATION_SCHEMA TABLE_CONSTRAINTS TableINFORMATION_SCHEMA KEY_COLUMN_USAGE TableINFORMATION_SCHEMA ROUTINES TableINFORMATION_SCHEMA VIEWS TableINFORMATION_SCHEMA TRIGGERS TableINFORMATION_SCHEMA PLUGINS TableINFORMATION_SCHEMA ENGINES TableINFORMATION_SCHEMA PARTITIONS TableINFORMATION_SCHEMA EVENTS TableINFORMATION_SCHEMA FILES TableINFORMATION_SCHEMA TABLESPACES TableINFORMATION_SCHEMA PROCESSLIST TableINFORMATION_SCHEMA REFERENTIAL_CONSTRAINTS TableINFORMATION_SCHEMA GLOBAL_STATUS and
SESSION_STATUS
TablesINFORMATION_SCHEMA GLOBAL_VARIABLES and
SESSION_VARIABLES
TablesINFORMATION_SCHEMA PARAMETERS TableINFORMATION_SCHEMA PROFILING TableINFORMATION_SCHEMA Tables for
InnoDBINFORMATION_SCHEMA TablesSHOW StatementsCALL
Statementslibcurl) Licensedtoa.c Licenselibedit) LicenseFindGTest.cmake Licensegetarg Licenselib_sql.cc Licenselibevent LicenseLPeg Library LicenseLuaFileSystem Library Licensezlib LicenseINFORMATION_SCHEMAINFORMATION_SCHEMA IndexJOIN Types IndexList of Figures
FEDERATED Table StructurePreferences Dialog BoxMySQL Model pagesakila EER DiagramList of Tables
mysqld_safe Optionsmysql Optionsmysqladmin Optionsmysqlcheck Optionsmysqldump Optionsmysqlimport Optionsmysqlshow Optionsmysqlslap Optionsmyisamchk Optionsmysqlaccess Optionsmysqlbinlog Optionsmysqldumpslow Optionsmysqlhotcopy OptionsGRANT and
REVOKEuser and db Table Columnstables_priv and columns_priv Table
Columnsprocs_priv Table ColumnsGROUP BY)
FunctionsGRANT and
REVOKEMyISAM Storage Engine
FeaturesMyISAM Option/Variable
ReferenceInnoDB Storage Engine
FeaturesInnoDB Option/Variable
ReferenceCREATE TABLE and
ALTER TABLE optionsCREATE/ALTER TABLE Warnings and Errors when InnoDB
Strict Mode is OFFinnodb_thread_concurrencyMEMORY Storage Engine
FeaturesARCHIVE Storage Engine
FeaturesINNODB_CMP and
INNODB_CMP_RESETINNODB_TRX ColumnsINNODB_LOCKS ColumnsINNODB_LOCK_WAITS ColumnsList of Examples
DriverManagerSELECT queryConnection.prepareCall()CallableStatement input
parametersAUTO_INCREMENT column values
using Statement.getGeneratedKeys()AUTO_INCREMENT column values
using SELECT LAST_INSERT_ID()AUTO_INCREMENT column values
in Updatable ResultSetsinsertdata.jspresponse.jspmysql_affected_rows
examplemysql_affected_rows
example using transactionsmysql_client_encoding
examplemysql_close
examplemysql_connect
examplemysql_connect
example using hostname:port syntaxmysql_connect
example using ":/path/to/socket" syntaxmysql_create_db
alternative examplemysql_data_seek
examplemysql_db_name
examplemysql_db_query
alternative examplemysql_drop_db
alternative examplemysql_errno
examplemysql_error
examplemysql_escape_string
examplemysql_fetch_array
with
MYSQL_NUMmysql_fetch_array
with
MYSQL_ASSOCmysql_fetch_array
with
MYSQL_BOTHmysql_fetch_assoc
examplemysql_fetch_field
examplemysql_fetch_lengths
examplemysql_fetch_object
examplemysql_fetch_object
examplemysql_fetch_rowmysql_field_flags
examplemysql_field_len
examplemysql_field_name
examplemysql_field_table
examplemysql_field_type
examplemysql_free_result
examplemysql_get_client_info
examplemysql_get_host_info
examplemysql_get_proto_info
examplemysql_get_server_info
examplemysql_insert_id
examplemysql_list_dbs
examplemysql_list_fieldsmysql_list_processes
examplemysql_list_tables
alternative examplemysql_num_fields
examplemysql_num_rows
examplemysql_ping
examplemysql_real_escape_string
examplemysql_result
examplemysql_select_db
examplemysql_stat
examplemysql_stat
examplemysql_tablename
examplemysql_thread_id
examplemysqli->affected_rows examplemysqli::autocommit examplemysqli::change_user examplemysqli::character_set_name examplemysqli::commit examplemysqli->connect_errno examplemysqli->connect_error examplemysqli::__construct examplemysqli->errno examplemysqli->error examplemysqli->field_count examplemysqli::get_charset examplemysqli_get_client_stats examplemysqli_get_connection_stats examplemysqli->host_info examplemysqli->protocol_version examplemysqli->server_info examplemysqli->server_version examplemysqli->info examplemysqli->insert_id examplemysqli::kill examplemysqli::multi_query examplemysqli::ping examplemysqli_poll
examplemysqli::prepare examplemysqli::query examplemysqli::real_connect examplemysqli::real_escape_string examplemysqli::rollback examplemysqli::select_db examplemysqli::set_charset examplemysqli::set_local_infile_handler examplemysqli->sqlstate examplemysqli::stat examplemysqli->thread_id examplemysqli::use_result examplemysqli->warning_count examplemysqli_get_cache_stats example