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`information_schema`.`SYSTEM_VARIABLES`

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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
LICENSE	NULL	GPL	COMPILE-TIME	NULL	GLOBAL	VARCHAR	The type of license the server has	NULL	NULL	NULL	NULL	YES	NULL	NULL
PERFORMANCE_SCHEMA	NULL	OFF	CONFIG	OFF	GLOBAL	BOOLEAN	Enable the performance schema.	NULL	NULL	NULL	OFF,ON	YES	OPTIONAL	NULL
SQL_MODE	ERROR_FOR_DIVISION_BY_ZERO,NO_AUTO_CREATE_USER,NO_...	ERROR_FOR_DIVISION_BY_ZERO,NO_AUTO_CREATE_USER,NO_...	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	NULL
BINLOG_FORMAT	MIXED	MIXED	COMPILE-TIME	MIXED	SESSION	ENUM	What form of binary logging the master will use: e...	NULL	NULL	NULL	MIXED,STATEMENT,ROW	NO	REQUIRED	NULL
GTID_BINLOG_STATE	NULL		COMPILE-TIME	NULL	GLOBAL	VARCHAR	The internal GTID state of the binlog, used to kee...	NULL	NULL	NULL	NULL	NO	NULL	NULL
PERFORMANCE_SCHEMA_EVENTS_WAITS_HISTORY_SIZE	NULL	-1	COMPILE-TIME	-1	GLOBAL	BIGINT	Number of rows per thread in EVENTS_WAITS_HISTORY....	-1	1024	1	NULL	YES	REQUIRED	NULL
DELAYED_INSERT_LIMIT	NULL	100	COMPILE-TIME	100	GLOBAL	BIGINT UNSIGNED	After inserting delayed_insert_limit rows, the INS...	1	4294967295	1	NULL	NO	REQUIRED	NULL
PERFORMANCE_SCHEMA_MAX_COND_CLASSES	NULL	90	COMPILE-TIME	90	GLOBAL	BIGINT UNSIGNED	Maximum number of condition instruments.	0	256	1	NULL	YES	REQUIRED	NULL
WSREP_TRX_FRAGMENT_SIZE	0	0	COMPILE-TIME	0	SESSION	BIGINT UNSIGNED	Size of transaction fragments for streaming replic...	0	2147483647	1	NULL	NO	REQUIRED	NULL
PERFORMANCE_SCHEMA_MAX_COND_INSTANCES	NULL	-1	COMPILE-TIME	-1	GLOBAL	BIGINT	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	BIGINT	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	Enrypt the temporary table data.	NULL	NULL	NULL	OFF,ON	YES	OPTIONAL	NULL
PERFORMANCE_SCHEMA_MAX_PREPARED_STATEMENTS_INSTANC...	NULL	-1	COMPILE-TIME	-1	GLOBAL	BIGINT	Maximum number of instrumented prepared statements...	-1	1048576	1	NULL	YES	REQUIRED	NULL
PERFORMANCE_SCHEMA_MAX_TABLE_INSTANCES	NULL	-1	COMPILE-TIME	-1	GLOBAL	BIGINT	Maximum number of instrumented tables. Use 0 to di...	-1	1048576	1	NULL	YES	REQUIRED	NULL
MAX_STATEMENT_TIME	300.000000	300.000000	CONFIG	0.000000	SESSION	DOUBLE	A query that has taken more than max_statement_tim...	0	31536000	NULL	NULL	NO	REQUIRED	NULL
PROXY_USER		NULL	COMPILE-TIME	NULL	SESSION ONLY	VARCHAR	The proxy user account name used when logging in	NULL	NULL	NULL	NULL	YES	NULL	NULL
PERFORMANCE_SCHEMA_MAX_MUTEX_INSTANCES	NULL	-1	COMPILE-TIME	-1	GLOBAL	BIGINT	Maximum number of instrumented MUTEX objects. Use ...	-1	104857600	1	NULL	YES	REQUIRED	NULL
SSL_CERT	NULL		COMPILE-TIME		GLOBAL	VARCHAR	X509 cert in PEM format (implies --ssl)	NULL	NULL	NULL	NULL	YES	REQUIRED	NULL
LONG_QUERY_TIME	10.000000	10.000000	COMPILE-TIME	10.000000	SESSION	DOUBLE	Alias for log_slow_query_time. Log all queries tha...	0	31536000	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
HAVE_OPENSSL	NULL	YES	COMPILE-TIME	NULL	GLOBAL	VARCHAR	Comparing have_openssl with have_ssl will indicate...	NULL	NULL	NULL	NULL	YES	NULL	NULL
SLOW_LAUNCH_TIME	NULL	2	COMPILE-TIME	2	GLOBAL	BIGINT 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	BIGINT UNSIGNED	Maximum number of rwlock instruments.	0	256	1	NULL	YES	REQUIRED	NULL
LOG_SLOW_MAX_WARNINGS	10	10	COMPILE-TIME	10	SESSION	BIGINT UNSIGNED	Max numbers of warnings printed to slow query log ...	0	1000	1	NULL	NO	REQUIRED	NULL

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