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SELECT * FROM `SYSTEM_VARIABLES` ORDER BY `GLOBAL_VALUE_ORIGIN` ASC
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VARIABLE_NAME SESSION_VALUE GLOBAL_VALUE GLOBAL_VALUE_ORIGIN Ascending Descending 1 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
BACK_LOG NULL 80 AUTO 150 GLOBAL INT UNSIGNED The number of outstanding connection requests Mari... 0 65535 1 NULL YES REQUIRED NULL
REPORT_PORT NULL 3306 AUTO 0 GLOBAL INT UNSIGNED Port for connecting to slave reported to the maste... 0 4294967295 1 NULL YES REQUIRED NULL
THREAD_POOL_MIN_THREADS NULL 1 AUTO 1 GLOBAL INT UNSIGNED Minimum number of threads in the thread pool. 1 256 1 NULL NO REQUIRED NULL
CHARACTER_SETS_DIR NULL C:\xampp\mysql\share\charsets\ AUTO GLOBAL VARCHAR Directory where character sets are NULL NULL NULL NULL YES REQUIRED NULL
LOWER_CASE_FILE_SYSTEM NULL ON AUTO NULL GLOBAL BOOLEAN Case sensitivity of file names on the file system ... NULL NULL NULL OFF,ON YES NULL NULL
SLAVE_LOAD_TMPDIR NULL C:\xampp\tmp AUTO GLOBAL VARCHAR The location where the slave should put its tempor... NULL NULL NULL NULL YES REQUIRED NULL
THREAD_POOL_PRIORITY high high AUTO auto SESSION ENUM Threadpool priority. High priority connections usu... NULL NULL NULL high,low,auto NO REQUIRED NULL
THREAD_POOL_SIZE NULL 8 AUTO 8 GLOBAL INT UNSIGNED Number of thread groups in the pool. This paramete... 1 100000 1 NULL NO REQUIRED NULL
THREAD_POOL_MAX_THREADS NULL 500 AUTO 65536 GLOBAL INT UNSIGNED Maximum allowed number of worker threads in the th... 1 65536 1 NULL NO REQUIRED NULL
OPEN_FILES_LIMIT NULL 34230 AUTO 0 GLOBAL INT UNSIGNED If this is not 0, then mysqld will use this value ... 0 4294967295 1 NULL YES REQUIRED NULL
HOST_CACHE_SIZE NULL 279 AUTO 128 GLOBAL INT UNSIGNED How many host names should be cached to avoid reso... 0 65536 1 NULL NO REQUIRED NULL
TABLE_DEFINITION_CACHE NULL 400 AUTO 400 GLOBAL INT UNSIGNED The number of cached table definitions 400 2097152 1 NULL NO REQUIRED NULL
THREAD_CACHE_SIZE NULL 151 AUTO 256 GLOBAL INT UNSIGNED How many threads we should keep in a cache for reu... 0 16384 1 NULL NO REQUIRED NULL
MAX_RELAY_LOG_SIZE 1073741824 1073741824 AUTO 1073741824 SESSION BIGINT UNSIGNED relay log will be rotated automatically when the s... 4096 1073741824 4096 NULL NO REQUIRED NULL
LOG_TC_SIZE NULL 24576 AUTO 24576 GLOBAL INT UNSIGNED Size of transaction coordinator log. 12288 4294967295 4096 NULL YES REQUIRED NULL
SESSION_TRACK_SCHEMA ON ON COMPILE-TIME ON SESSION BOOLEAN Track changes to the default schema. NULL NULL NULL OFF,ON NO OPTIONAL NULL
PERFORMANCE_SCHEMA NULL OFF COMPILE-TIME OFF GLOBAL BOOLEAN Enable the performance schema. NULL NULL NULL OFF,ON YES OPTIONAL 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
WARNING_COUNT 0 NULL COMPILE-TIME NULL SESSION ONLY BIGINT UNSIGNED The number of errors, warnings, and notes that res... 0 18446744073709551615 1 NULL YES NULL 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
DELAYED_INSERT_LIMIT NULL 100 COMPILE-TIME 100 GLOBAL INT 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 INT UNSIGNED Maximum number of condition instruments. 0 256 1 NULL YES REQUIRED NULL
INTERACTIVE_TIMEOUT 28800 28800 COMPILE-TIME 28800 SESSION INT UNSIGNED The number of seconds the server waits for activit... 1 31536000 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
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