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  # VARIABLE_NAME SESSION_VALUE GLOBAL_VALUE GLOBAL_VALUE_ORIGIN DEFAULT_VALUE VARIABLE_SCOPE VARIABLE_TYPE VARIABLE_COMMENT NUMERIC_MIN_VALUE NUMERIC_MAX_VALUE NUMERIC_BLOCK_SIZE ENUM_VALUE_LIST READ_ONLY COMMAND_LINE_ARGUMENT GLOBAL_VALUE_PATH
editierenlöschen 1.  INNODB_LOG_CHECKSUMS   ON COMPILE-TIME ON GLOBAL BOOLEAN Deprecated parameter with no effect.       OFF,ON NO REQUIRED  
editierenlöschen 2.  PERFORMANCE_SCHEMA   OFF COMPILE-TIME OFF GLOBAL BOOLEAN Enable the performance schema.       OFF,ON YES OPTIONAL  
editierenlöschen 3.  SQL_MODE NO_AUTO_CREATE_USER,NO_ENGINE_SUBSTITUTION NO_AUTO_CREATE_USER,NO_ENGINE_SUBSTITUTION CONFIG STRICT_TRANS_TABLES,ERROR_FOR_DIVISION_BY_ZERO,NO_AUTO_CREATE_USER,NO_ENGINE_SUBSTITUTION SESSION SET Sets the sql mode       REAL_AS_FLOAT,PIPES_AS_CONCAT,ANSI_QUOTES,IGNORE_SPACE,IGNORE_BAD_TABLE_OPTIONS,ONLY_FULL_GROUP_BY,NO_UNSIGNED_SUBTRACTION,NO_DIR_IN_CREATE,POSTGRESQL,ORACLE,MSSQL,DB2,MAXDB,NO_KEY_OPTIONS,NO_TABLE_OPTIONS,NO_FIELD_OPTIONS,MYSQL323,MYSQL40,ANSI,NO_AUTO_VALUE_ON_ZERO,NO_BACKSLASH_ESCAPES,STRICT_TRANS_TABLES,STRICT_ALL_TABLES,NO_ZERO_IN_DATE,NO_ZERO_DATE,ALLOW_INVALID_DATES,ERROR_FOR_DIVISION_BY_ZERO,TRADITIONAL,NO_AUTO_CREATE_USER,HIGH_NOT_PRECEDENCE,NO_ENGINE_SUBSTITUTION,PAD_CHAR_TO_FULL_LENGTH,EMPTY_STRING_IS_NULL,SIMULTANEOUS_ASSIGNMENT,TIME_ROUND_FRACTIONAL NO REQUIRED  
editierenlöschen 4.  SYSTEM_VERSIONING_ALTER_HISTORY ERROR ERROR COMPILE-TIME ERROR SESSION ENUM Versioning ALTER TABLE mode. ERROR: Fail ALTER with error; KEEP: Keep historical system rows and subject them to ALTER       ERROR,KEEP NO REQUIRED  
editierenlöschen 5.  UNIQUE_CHECKS ON ON COMPILE-TIME ON SESSION BOOLEAN If set to 1, the default, secondary indexes in InnoDB tables are performed. If set to 0, storage engines can (but are not required to) assume that duplicate keys are not present in input data. Set to 0 to speed up imports of large tables to InnoDB. The storage engine will still issue a duplicate key error if it detects one, even if set to 0.       OFF,ON NO    
editierenlöschen 6.  PERFORMANCE_SCHEMA_EVENTS_WAITS_HISTORY_SIZE   -1 COMPILE-TIME -1 GLOBAL BIGINT Number of rows per thread in EVENTS_WAITS_HISTORY. Use 0 to disable, -1 for automated sizing. -1 1024 1   YES REQUIRED  
editierenlöschen 7.  MAX_RELAY_LOG_SIZE 1073741824 1073741824 AUTO 1073741824 SESSION BIGINT UNSIGNED relay log will be rotated automatically when the size exceeds this value. If 0 at startup, it's set to max_binlog_size 4096 1073741824 4096   NO REQUIRED  
editierenlöschen 8.  PERFORMANCE_SCHEMA_MAX_COND_CLASSES   90 COMPILE-TIME 90 GLOBAL BIGINT UNSIGNED Maximum number of condition instruments. 0 256 1   YES REQUIRED  
editierenlöschen 9.  HAVE_RTREE_KEYS   YES COMPILE-TIME   GLOBAL VARCHAR If RTREE indexes (used for spatial indexes) are available, will be set to YES, otherwise will be set to NO.         YES    
editierenlöschen 10.  PERFORMANCE_SCHEMA_MAX_COND_INSTANCES   -1 COMPILE-TIME -1 GLOBAL BIGINT Maximum number of instrumented condition objects. Use 0 to disable, -1 for automated sizing. -1 1048576 1   YES REQUIRED  
editierenlöschen 11.  INNODB_FLUSH_LOG_AT_TIMEOUT   1 COMPILE-TIME 1 GLOBAL INT UNSIGNED Write and flush logs every (n) second. 0 2700 0   NO OPTIONAL  
editierenlöschen 12.  PERFORMANCE_SCHEMA_MAX_RWLOCK_INSTANCES   -1 COMPILE-TIME -1 GLOBAL BIGINT Maximum number of instrumented RWLOCK objects. Use 0 to disable, -1 for automated sizing. -1 104857600 1   YES REQUIRED  
editierenlöschen 13.  INNODB_ENCRYPT_TEMPORARY_TABLES   OFF COMPILE-TIME OFF GLOBAL BOOLEAN Enrypt the temporary table data.       OFF,ON YES OPTIONAL  
editierenlöschen 14.  PERFORMANCE_SCHEMA_MAX_PREPARED_STATEMENTS_INSTANCES   -1 COMPILE-TIME -1 GLOBAL BIGINT Maximum number of instrumented prepared statements. Use 0 to disable, -1 for automated scaling. -1 1048576 1   YES REQUIRED  
editierenlöschen 15.  PERFORMANCE_SCHEMA_MAX_THREAD_CLASSES   50 COMPILE-TIME 50 GLOBAL BIGINT UNSIGNED Maximum number of thread instruments. 0 256 1   YES REQUIRED  
editierenlöschen 16.  RPL_SEMI_SYNC_SLAVE_TRACE_LEVEL   32 COMPILE-TIME 32 GLOBAL BIGINT UNSIGNED The tracing level for semi-sync replication. 0 18446744073709551615 1   NO REQUIRED  
editierenlöschen 17.  SSL_CAPATH     COMPILE-TIME   GLOBAL VARCHAR CA directory (check OpenSSL docs, implies --ssl)         YES REQUIRED  
editierenlöschen 18.  PERFORMANCE_SCHEMA_MAX_MUTEX_INSTANCES   -1 COMPILE-TIME -1 GLOBAL BIGINT Maximum number of instrumented MUTEX objects. Use 0 to disable, -1 for automated sizing. -1 104857600 1   YES REQUIRED  
editierenlöschen 19.  CORE_FILE   OFF COMPILE-TIME   GLOBAL BOOLEAN write a core-file on crashes       OFF,ON YES    
editierenlöschen 20.  EVENT_SCHEDULER   OFF COMPILE-TIME OFF GLOBAL ENUM Enable the event scheduler. Possible values are ON, OFF, and DISABLED (keep the event scheduler completely deactivated, it cannot be activated run-time)       OFF,ON,DISABLED,ORIGINAL NO OPTIONAL