題目描述
對於表actor批量插入如下數據,如果數據已經存在，請忽略，不使用replace操作
CREATE TABLE IF NOT EXISTS actor (
actor_id smallint(5) NOT NULL PRIMARY KEY,
first_name varchar(45) NOT NULL,
last_name varchar(45) NOT NULL,
last_update timestamp NOT NULL DEFAULT (datetime('now','localtime')))
CREATE TABLE IF NOT EXISTS actor (
actor_id smallint(5) NOT NULL PRIMARY KEY,
first_name varchar(45) NOT NULL,
last_name varchar(45) NOT NULL,
last_update timestamp NOT NULL DEFAULT (datetime('now','localtime')))
| actor_id | first_name | last_name | last_update |
|---|---|---|---|
| '3' | 'ED' | 'CHASE' | '2006-02-15 12:34:33' |
輸入描述:
無
SQL:
insert or ignore into actor values('3','ED','CHASE','2006-02-15 12:34:33');