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服务器: localhost »数据库: information_schema »视图: SYSTEM_VARIABLES
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文档 仅使用图标、文字或都使用。
文档 仅使用图标、文字或都使用。
文档 Whether a user should be displayed a "show all (rows)" button.
文档 浏览结果集时显示的行数。若结果集总行数超过该值,将会显示 "上一页" 和 "下一页" 的链接。
文档 SMART - 即对 TIME、DATE、DATETIME 和 TIMESTAMP 类型的字段递减排序,其它字段递增。
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Current selection does not contain a unique column. Grid edit, checkbox, Edit, Copy and Delete features are not available. 文档
正在显示第 0 - ... 此视图的行数最少有这么多。请参阅档案 行 (查询花费 0.0047 秒。) [READ_ONLY: NO... - NO...]
SELECT * FROM `SYSTEM_VARIABLES`  
ORDER BY `SYSTEM_VARIABLES`.`READ_ONLY` ASC
VARIABLE_NAMESESSION_VALUEGLOBAL_VALUEGLOBAL_VALUE_ORIGINDEFAULT_VALUEVARIABLE_SCOPEVARIABLE_TYPEVARIABLE_COMMENTNUMERIC_MIN_VALUENUMERIC_MAX_VALUENUMERIC_BLOCK_SIZEENUM_VALUE_LISTREAD_ONLY 递增 递减 1COMMAND_LINE_ARGUMENT
KEY_CACHE_SEGMENTS NULL0 COMPILE-TIME 0 GLOBAL BIGINT UNSIGNED The number of segments in a key cache 0 64 1 NULLNO REQUIRED
WSREP_NODE_NAME NULLizhp39hn5gsepj8ayfapbgz COMPILE-TIME izhp39hn5gsepj8ayfapbgz GLOBAL VARCHAR Name of this node. This name can be used in wsrep_... NULLNULLNULLNULLNO REQUIRED
SQL_MODE NO_AUTO_CREATE_USER,NO_ENGINE_SUBSTITUTION NO_AUTO_CREATE_USER,NO_ENGINE_SUBSTITUTION COMPILE-TIME NO_AUTO_CREATE_USER,NO_ENGINE_SUBSTITUTION SESSION SET Sets the sql mode NULLNULLNULLREAL_AS_FLOAT,PIPES_AS_CONCAT,ANSI_QUOTES,IGNORE_S... NO REQUIRED
INNODB_FLUSH_LOG_AT_TIMEOUT NULL1 COMPILE-TIME 1 GLOBAL INT UNSIGNED Write and flush logs every (n) second. 0 2700 0 NULLNO OPTIONAL
INNODB_FT_SERVER_STOPWORD_TABLE NULLCOMPILE-TIME GLOBAL VARCHAR The user supplied stopword table name. NULLNULLNULLNULLNO OPTIONAL
MAX_SP_RECURSION_DEPTH 0 0 COMPILE-TIME 0 SESSION BIGINT UNSIGNED Maximum stored procedure recursion depth 0 255 1 NULLNO OPTIONAL
INNODB_STATS_TRANSIENT_SAMPLE_PAGES NULL8 COMPILE-TIME 8 GLOBAL BIGINT UNSIGNED The number of leaf index pages to sample when calc... 1 18446744073709551615 0 NULLNO REQUIRED
THREAD_POOL_SIZE NULL1 AUTO 8 GLOBAL INT UNSIGNED Number of thread groups in the pool. This paramete... 1 100000 1 NULLNO REQUIRED
SLOW_LAUNCH_TIME NULL2 COMPILE-TIME 2 GLOBAL BIGINT UNSIGNED If creating the thread takes longer than this valu... 0 31536000 1 NULLNO REQUIRED
BINLOG_FORMAT STATEMENT STATEMENT COMPILE-TIME STATEMENT SESSION ENUM What form of binary logging the master will use: e... NULLNULLNULLMIXED,STATEMENT,ROW NO REQUIRED
MASTER_VERIFY_CHECKSUM NULLOFF COMPILE-TIME OFF GLOBAL BOOLEAN Force checksum verification of logged events in th... NULLNULLNULLOFF,ON NO OPTIONAL
THREAD_POOL_OVERSUBSCRIBE NULL3 COMPILE-TIME 3 GLOBAL INT UNSIGNED How many additional active worker threads in a gro... 1 1000 1 NULLNO REQUIRED
INNODB_FT_NUM_WORD_OPTIMIZE NULL2000 COMPILE-TIME 2000 GLOBAL BIGINT UNSIGNED InnoDB Fulltext search number of words to optimize... 1000 10000 0 NULLNO OPTIONAL
WSREP_DRUPAL_282555_WORKAROUND NULLOFF COMPILE-TIME OFF GLOBAL BOOLEAN Enable a workaround to handle the cases where inse... NULLNULLNULLOFF,ON NO OPTIONAL
INNODB_CHECKSUM_ALGORITHM NULLINNODB COMPILE-TIME INNODB GLOBAL ENUM The algorithm InnoDB uses for page checksumming. P... NULLNULLNULLCRC32,STRICT_CRC32,INNODB,STRICT_INNODB,NONE,STRIC... NO REQUIRED
MAX_LENGTH_FOR_SORT_DATA 1024 1024 COMPILE-TIME 1024 SESSION BIGINT UNSIGNED Max number of bytes in sorted records 4 8388608 1 NULLNO REQUIRED
INNODB_ROLLBACK_SEGMENTS NULL128 COMPILE-TIME 128 GLOBAL BIGINT UNSIGNED Number of undo logs to use (deprecated). 1 128 0 NULLNO OPTIONAL
EVENT_SCHEDULER NULLOFF COMPILE-TIME OFF GLOBAL ENUM Enable the event scheduler. Possible values are ON... NULLNULLNULLOFF,ON,DISABLED,ORIGINAL NO OPTIONAL
UNIQUE_CHECKS ON ON COMPILE-TIME ON SESSION BOOLEAN If set to 1, the default, secondary indexes in Inn... NULLNULLNULLOFF,ON NO NULL
MAX_CONNECT_ERRORS NULL100 COMPILE-TIME 100 GLOBAL BIGINT UNSIGNED If there is more than this number of interrupted c... 1 4294967295 1 NULLNO REQUIRED
WSREP_AUTO_INCREMENT_CONTROL NULLON COMPILE-TIME ON GLOBAL BOOLEAN To automatically control the assignment of autoinc... NULLNULLNULLOFF,ON NO OPTIONAL
INNODB_BACKGROUND_SCRUB_DATA_COMPRESSED NULLOFF COMPILE-TIME OFF GLOBAL BOOLEAN Enable scrubbing of compressed data by background ... NULLNULLNULLOFF,ON NO REQUIRED
CHARACTER_SET_RESULTS utf8mb4 latin1 COMPILE-TIME latin1 SESSION ENUM The character set used for returning query results... NULLNULLNULLNULLNO NULL
GROUP_CONCAT_MAX_LEN 1024 1024 COMPILE-TIME 1024 SESSION BIGINT UNSIGNED The maximum length of the result of function  GROU... 4 18446744073709551615 1 NULLNO REQUIRED
RANGE_ALLOC_BLOCK_SIZE 4096 4096 COMPILE-TIME 4096 SESSION BIGINT UNSIGNED Allocation block size for storing ranges during op... 4096 4294967295 1024 NULLNO REQUIRED


mysqli_real_connect(): (HY000/1045): Access denied for user 'pma'@'localhost' (using password: NO)
使用配置文件中定义的控制用户连接失败。