常用语句对照

1.查询数据
SELECT * FROM {pre}vod   查询所有数据
SELECT * FROM {pre}vod WHERE d_id=1000   查询指定ID数据
2.删除数据
DELETE FROM {pre}vod   删除所有数据
DELETE FROM {pre}vod WHERE d_id=1000   删除指定的第几条数据
DELETE FROM {pre}vod WHERE d_starring LIKE '%刘德华%'   删除d_starring字段里有"刘德华"的数据
 3.修改数据
UPDATE {pre}vod SET d_hits=1   将所有d_hits字段里的值修改成"1"
UPDATE {pre}vod SET d_hits=1 WHERE d_id=1000  指定的第几条数据把d_hits字段里的值修改成"1"
 4.替换图片地址
UPDATE {pre}vod SET d_pic=REPLACE(d_pic, '原始字符串', '替换成其他字符串')
 5.清空数据ID重新从1开始
TRUNCATE {pre}vod
{foot}