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SELECT * FROM `SYSTEM_VARIABLES` ORDER BY `READ_ONLY`  ASC
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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 Ascending Descending 1 COMMAND_LINE_ARGUMENT
SQL_MODE NO_ZERO_IN_DATE,NO_ZERO_DATE,NO_ENGINE_SUBSTITUTIO... NO_ZERO_IN_DATE,NO_ZERO_DATE,NO_ENGINE_SUBSTITUTIO... CONFIG 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
BINLOG_ROW_IMAGE FULL FULL COMPILE-TIME FULL SESSION ENUM Controls whether rows should be logged in 'FULL', ... NULL NULL NULL MINIMAL,NOBLOB,FULL NO REQUIRED
INSERT_ID 0 NULL COMPILE-TIME 0 SESSION ONLY BIGINT UNSIGNED The value to be used by the following INSERT or AL... 0 18446744073709551615 1 NULL NO 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
LOG_BIN_COMPRESS NULL OFF COMPILE-TIME OFF GLOBAL BOOLEAN Whether the binary log can be compressed NULL NULL NULL OFF,ON NO OPTIONAL
MAX_CONNECT_ERRORS NULL 100 COMPILE-TIME 100 GLOBAL INT UNSIGNED If there is more than this number of interrupted c... 1 4294967295 1 NULL NO REQUIRED
INNODB_FT_SERVER_STOPWORD_TABLE NULL COMPILE-TIME GLOBAL VARCHAR The user supplied stopword table name. NULL NULL NULL NULL NO OPTIONAL
INNODB_STATS_TRANSIENT_SAMPLE_PAGES NULL 8 COMPILE-TIME 8 GLOBAL BIGINT UNSIGNED The number of leaf index pages to sample when calc... 1 18446744073709551615 0 NULL NO REQUIRED
NET_WRITE_TIMEOUT 60 60 COMPILE-TIME 60 SESSION INT UNSIGNED Number of seconds to wait for a block to be writte... 1 31536000 1 NULL NO REQUIRED
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
SLAVE_EXEC_MODE NULL STRICT COMPILE-TIME STRICT GLOBAL ENUM How replication events should be executed. Legal v... NULL NULL NULL STRICT,IDEMPOTENT NO REQUIRED
CHARACTER_SET_SERVER utf8mb4 utf8mb4 COMPILE-TIME utf8mb4 SESSION ENUM The default character set NULL NULL NULL NULL NO NULL
PRELOAD_BUFFER_SIZE 32768 32768 COMPILE-TIME 32768 SESSION INT UNSIGNED The size of the buffer that is allocated when prel... 1024 1073741824 1 NULL NO REQUIRED
THREAD_POOL_OVERSUBSCRIBE NULL 3 COMPILE-TIME 3 GLOBAL INT UNSIGNED How many additional active worker threads in a gro... 1 1000 1 NULL NO REQUIRED
INNODB_FT_NUM_WORD_OPTIMIZE NULL 2000 COMPILE-TIME 2000 GLOBAL INT UNSIGNED InnoDB Fulltext search number of words to optimize... 1000 10000 0 NULL NO OPTIONAL
WAIT_TIMEOUT 28800 28800 COMPILE-TIME 28800 SESSION INT UNSIGNED The number of seconds the server waits for activit... 1 2147483 1 NULL NO REQUIRED
INNODB_DEFRAGMENT_N_PAGES NULL 7 COMPILE-TIME 7 GLOBAL INT UNSIGNED Number of pages considered at once when merging mu... 2 32 0 NULL NO REQUIRED
TMP_MEMORY_TABLE_SIZE 16777216 16777216 COMPILE-TIME 16777216 SESSION BIGINT UNSIGNED If an internal in-memory temporary table exceeds t... 1024 18446744073709551615 1 NULL NO REQUIRED
DELAYED_QUEUE_SIZE NULL 1000 COMPILE-TIME 1000 GLOBAL INT UNSIGNED What size queue (in rows) should be allocated for ... 1 4294967295 1 NULL NO REQUIRED
RPL_SEMI_SYNC_SLAVE_KILL_CONN_TIMEOUT NULL 5 COMPILE-TIME 5 GLOBAL INT UNSIGNED Timeout for the mysql connection used to kill the ... 0 4294967295 1 NULL NO OPTIONAL
INNODB_ROLLBACK_SEGMENTS NULL 128 COMPILE-TIME 128 GLOBAL INT UNSIGNED Number of undo logs to use (deprecated). 1 128 0 NULL NO OPTIONAL
BINLOG_FILE_CACHE_SIZE NULL 16384 COMPILE-TIME 16384 GLOBAL BIGINT UNSIGNED The size of file cache for the binary log 8192 18446744073709551615 4096 NULL NO REQUIRED
QUERY_ALLOC_BLOCK_SIZE 16384 16384 COMPILE-TIME 16384 SESSION INT UNSIGNED Allocation block size for query parsing and execut... 1024 4294967295 1024 NULL NO REQUIRED
NET_BUFFER_LENGTH 8192 8192 CONFIG 16384 SESSION INT UNSIGNED Buffer length for TCP/IP and socket communication 1024 1048576 1024 NULL NO REQUIRED
INNODB_BACKGROUND_SCRUB_DATA_COMPRESSED NULL OFF COMPILE-TIME OFF GLOBAL BOOLEAN Enable scrubbing of compressed data by background ... NULL NULL NULL OFF,ON NO REQUIRED
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