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SELECT * FROM `SYSTEM_VARIABLES`
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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
BINLOG_GTID_INDEX_PAGE_SIZE NULL 4096 COMPILE-TIME 4096 GLOBAL INT UNSIGNED Page size to use for the binlog GTID index 64 16777216 1 NULL NO REQUIRED NULL
PERFORMANCE_SCHEMA NULL OFF COMPILE-TIME OFF GLOBAL BOOLEAN Enable the performance schema NULL NULL NULL OFF,ON YES OPTIONAL NULL
SQL_MODE STRICT_TRANS_TABLES,ERROR_FOR_DIVISION_BY_ZERO,NO_... STRICT_TRANS_TABLES,ERROR_FOR_DIVISION_BY_ZERO,NO_... COMPILE-TIME STRICT_TRANS_TABLES,ERROR_FOR_DIVISION_BY_ZERO,NO_... SESSION SET Sets the sql mode NULL NULL NULL REAL_AS_FLOAT,PIPES_AS_CONCAT,ANSI_QUOTES,IGNORE_S... NO REQUIRED NULL
PERFORMANCE_SCHEMA_SETUP_OBJECTS_SIZE NULL -1 COMPILE-TIME -1 GLOBAL INT Maximum number of rows in SETUP_OBJECTS -1 1048576 1 NULL YES REQUIRED NULL
BINLOG_SPACE_LIMIT NULL 0 COMPILE-TIME 0 GLOBAL BIGINT UNSIGNED Alias for max_binlog_total_size. Compatibility wit... 0 18446744073709551615 1 NULL NO REQUIRED NULL
PERFORMANCE_SCHEMA_EVENTS_WAITS_HISTORY_SIZE NULL -1 COMPILE-TIME -1 GLOBAL INT Number of rows per thread in EVENTS_WAITS_HISTORY.... -1 1024 1 NULL YES REQUIRED NULL
OPTIMIZER_ROW_LOOKUP_COST NULL 0.130839 COMPILE-TIME 0.130839 GLOBAL DOUBLE Cost of finding a row based on a rowid or a cluste... 0 1000 NULL NULL NO REQUIRED NULL
PERFORMANCE_SCHEMA_MAX_COND_CLASSES NULL 90 COMPILE-TIME 90 GLOBAL INT UNSIGNED Maximum number of condition instruments 0 256 1 NULL YES REQUIRED NULL
SLAVE_TRANSACTION_RETRIES NULL 10 COMPILE-TIME 10 GLOBAL INT UNSIGNED Number of times the slave SQL thread will retry a ... 0 4294967295 1 NULL NO REQUIRED NULL
PERFORMANCE_SCHEMA_MAX_COND_INSTANCES NULL -1 COMPILE-TIME -1 GLOBAL INT Maximum number of instrumented condition objects. ... -1 1048576 1 NULL YES REQUIRED NULL
INNODB_FLUSH_LOG_AT_TIMEOUT NULL 1 COMPILE-TIME 1 GLOBAL INT UNSIGNED Write and flush logs every (n) second 0 2700 0 NULL NO OPTIONAL NULL
PERFORMANCE_SCHEMA_MAX_RWLOCK_INSTANCES NULL -1 COMPILE-TIME -1 GLOBAL INT Maximum number of instrumented RWLOCK objects. Use... -1 104857600 1 NULL YES REQUIRED NULL
INNODB_ENCRYPT_TEMPORARY_TABLES NULL OFF COMPILE-TIME OFF GLOBAL BOOLEAN Encrypt the temporary table data NULL NULL NULL OFF,ON YES OPTIONAL NULL
INNODB_FT_RESULT_CACHE_LIMIT NULL 2000000000 COMPILE-TIME 2000000000 GLOBAL BIGINT UNSIGNED InnoDB Fulltext search query result cache limit in... 1000000 18446744073709551615 0 NULL NO REQUIRED NULL
REPLICATE_SAME_SERVER_ID NULL OFF COMPILE-TIME OFF GLOBAL BOOLEAN In replication, if set to 1, do not skip events ha... NULL NULL NULL OFF,ON YES OPTIONAL NULL
INNODB_FAST_SHUTDOWN NULL 1 COMPILE-TIME 1 GLOBAL INT UNSIGNED Speeds up the shutdown process of the InnoDB stora... 0 3 0 NULL NO OPTIONAL NULL
BINLOG_STMT_CACHE_SIZE NULL 32768 COMPILE-TIME 32768 GLOBAL BIGINT UNSIGNED The size of the statement cache for updates to non... 4096 18446744073709551615 4096 NULL NO REQUIRED NULL
PERFORMANCE_SCHEMA_MAX_MUTEX_INSTANCES NULL -1 COMPILE-TIME -1 GLOBAL INT Maximum number of instrumented MUTEX objects. Use ... -1 104857600 1 NULL YES REQUIRED NULL
HAVE_RTREE_KEYS NULL YES COMPILE-TIME NULL GLOBAL VARCHAR If RTREE indexes (used for spatial indexes) are av... NULL NULL NULL NULL YES NULL NULL
EXPIRE_LOGS_DAYS NULL 0.000000 COMPILE-TIME 0.000000 GLOBAL DOUBLE If non-zero, binary logs will be purged after expi... 0 99 NULL NULL NO REQUIRED NULL
INNODB_STATS_TRANSIENT_SAMPLE_PAGES NULL 8 COMPILE-TIME 8 GLOBAL INT UNSIGNED The number of leaf index pages to sample when calc... 1 4294967295 0 NULL NO REQUIRED NULL
CHARACTER_SET_CLIENT utf8mb4 utf8mb4 COMPILE-TIME utf8mb4 SESSION ENUM The character set for statements that arrive from ... NULL NULL NULL NULL NO NULL NULL
SLOW_LAUNCH_TIME NULL 2 COMPILE-TIME 2 GLOBAL INT UNSIGNED If creating the thread takes longer than this valu... 0 31536000 1 NULL NO REQUIRED NULL
PERFORMANCE_SCHEMA_MAX_RWLOCK_CLASSES NULL 50 COMPILE-TIME 50 GLOBAL INT UNSIGNED Maximum number of rwlock instruments 0 256 1 NULL YES REQUIRED NULL
LOG_SLOW_MAX_WARNINGS 10 10 COMPILE-TIME 10 SESSION INT UNSIGNED Max numbers of warnings printed to slow query log ... 0 1000 1 NULL NO REQUIRED NULL
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