test=#insertintotbl_foreign_refd (a,b)values(1,1),(1,2),(1,3);INSERT03test=#insertintotbl_foreign(a,b)values(1,1),(1,2);INSERT02test=#insertintotbl_foreign(a,b)values(2,1); ERROR:insertorupdateontable"tbl_foreign" violatesforeignkeyconstraint"fk_tbl_foreign_a_b" DETAIL:Key(a...
对表执行Insert或update操作违反了外键约束EN外键约束 foreign key 外键约束的要求： 父表和字表必须使用...
Because the foreign key constraint does not have the ON DELETE and ON UPDATE action, they default to NO ACTION. NO ACTION The following inserts data into the customers and contacts tables: INSERT INTO customers(customer_name) VALUES('BlueBird Inc'), ('Dolphin LLC'); INSERT INTO contacts(cust...
shulanxtdb=#INSERTINTOCOMPANY (ID,NAME,AGE,ADDRESS,SALARY,JOIN_DATE)VALUES(3,'Teddy',23,'Norway',20000.00,DEFAULT); 返回结果:INSERT 0 2 以下实例插入多行: shulanxtdb=#INSERTINTOCOMPANY (ID,NAME,AGE,ADDRESS,SALARY,JOIN_DATE)VALUES(4,'Mark',25,'Rich-Mond',65000.00,'2007-12-13'), (5,...
insert or update on table "orders" violates foreign key constraint "orders_product_no_fkey" 删除一个被引用的产品,如下: delete from products where product_no = 1; 提示错误如下: update or delete on table "products" violates foreign key constraint "orders_product_no_fkey" on table "orders" 先...
ID INT PRIMARY KEY NOT NULL, NAME TEXT NOT NULL, AGE INT NOT NULL, ADDRESS CHAR(50), SALARY REAL ); FOREIGN KEY 约束 FOREIGN KEY 即外键约束,指定列(或一组列)中的值必须匹配另一个表的某一行中出现的值。 通常一个表中的 FOREIGN KEY 指向另一个表中的 UNIQUE KEY(唯一约束的键),即维护了...
1-1.创建一张表,在id后加上主键约束 primary key create table student( id varchar(32) primary key, name varchar(32) not null ) 1. 2. 3. 4. 1-2.插入两条数据 insert into student(id,name) values('1','张三'); insert into student(id,name) values('1','李四'); ...
-- 插入报错的insert -- 主键唯一性 INSERT INTO t_student VALUES (1,2314,'张三','深圳南山','13264581265',0,25); -- Duplicate entry '1' for key 'PRIMARY' 主键唯一,不能重复,报错 INSERT INTO t_student VALUES (1,2315,'李四','深圳南山','13264581265',0,25); ...
prcp real, date date ); 然后我们试图插入一条非法的记录：INSERT INTO weather VALUES ('Berkeley', 45, 53, 0.0, '1994-11-28');ERROR: insert or update on table "weather" violates foreign key constraint "weather_city_fkey" DETAIL: Key (city)=(Berkeley)...
GRANT { { SELECT | INSERT | UPDATE | DELETE | RULE | REFERENCES | TRIGGER } [,...] | ALL [ PRIVILEGES ] } ON [ TABLE ] table_name [, ...] TO { username | GROUP group_name | PUBLIC } [, ...] [ WITH GRANT OPTION ] GRANT { { CREATE | TEMPORARY | TEMP } [,...] |...