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mysql进阶(二十一)删除表数据与数据库四大特性
2022-08-02 09:06:00 【InfoQ】
一、
DELETE
与
TRUNCATE
DELETE
TRUNCATE TABLE
DELETE
WHERE
TRUNCATE TABLE
DELETE
DELETE FROM table1;
TRUNCATE TABLE table1;
DELETE
DELETE FROM table1 WHERE ...;
DELETE
WHERE
TRUNCATE TABLE
DELETE
TRUNCATE TABLE
TRUNCATE TABLE
WHERE
DELETE
DELETE
WHERE
WHERE 1
WHERE true
DELETE FROM table1 WHERE 1;
WHERE
true
WHERE
DELETE
DELETE
TRUNCATE TABLE
DELETE
WHERE
truncate
mysql
delete
mysql
truncate
mysql
TRUNCATE TABLE
DELETE
ORDER BY
LIMIT
WHERE
LIMIT
ORDER BY
LIMIT
DELETE FROM users WHERE name = 'Mike' LIMIT 6;
MySQL
ORDER BY
DELETE FROM users WHERE name = 'Mike' ORDER BY id DESC LIMIT 6;
二、
数据库事务四大特性
2.1 原子性
2.2 一致性
2.3 分离性
2.4 持久性
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