要查詢MySQL元數(shù)據(jù),您可以使用以下命令:
SHOW DATABASES;
USE database_name;
SHOW TABLES;
DESCRIBE table_name;
SHOW COLUMNS FROM table_name;
SHOW INDEX FROM table_name;
SHOW CREATE TABLE table_name;
SHOW VARIABLES LIKE 'character_set%';
SHOW VARIABLES LIKE 'collation%';
這些命令可以幫助您獲取有關MySQL數(shù)據(jù)庫和表的元數(shù)據(jù)信息。