要在MySQL中清除數(shù)據(jù)庫(kù)的所有數(shù)據(jù),請(qǐng)遵循以下步驟:
mysql -u root -p
這將提示您輸入MySQL root用戶的密碼。
USE mydatabase;
CREATE TEMPORARY TABLE temp_tables (table_name VARCHAR(255));
INSERT INTO temp_tables (table_name) SELECT table_name FROM information_schema.tables WHERE table_schema = DATABASE();
SET @tables = NULL;
SELECT GROUP_CONCAT(table_name) INTO @tables FROM temp_tables;
SET @drop_cmd = IFNULL(CONCAT('DROP TABLE ', @tables), 'SELECT "No tables to drop"');
PREPARE stmt FROM @drop_cmd;
EXECUTE stmt;
DEALLOCATE PREPARE stmt;
DROP TEMPORARY TABLE temp_tables;
至此,已成功清除數(shù)據(jù)庫(kù)中的所有數(shù)據(jù)表。請(qǐng)注意,這將永久刪除數(shù)據(jù),因此在執(zhí)行此操作之前確保對(duì)數(shù)據(jù)庫(kù)進(jìn)行了備份。