SQL语法错误，检查用户手册，查看你的MYSQL版本。在第一行 ‘on student(ID) on update cascade on delete cascade’附近 修改hooby表，加入限制条件aa ，外键hooby(ID)列关联student（ID）列，级联修改级联删除。你要是把表给成来就好翻译了。现在只能字面翻译加上自己猜测。问题出在你的hooby表的ID列上。
If an object not belonging to the table depends on the column, CASCADE must be specified, such as foreign key reference and view. The DROP COLUMN form does not physically remove the column, but simply makes it invisible to SQL operations. Subsequent insert and update operations in the table ...
ON DELETE NO ACTION ON UPDATE NO ACTION) ENGINE = InnoDB; SET SQL_MODE=@OLD_SQL_MODE; SET FOREIGN_KEY_CHECKS=@OLD_FOREIGN_KEY_CHECKS; SET UNIQUE_CHECKS=@OLD_UNIQUE_CHECKS; Subject Views Written By Posted 10:34:02 [ERR][ grt]: Error 1064: You have an error in your SQL syntax; ch...
Delete all records with a range of values in a field Delete records based on criteria in multiple fields Delete records with matching values field(s) in a joined table DELETE Query SQL Syntax in Microsoft Access DELETE [DISTINCTROW] table.* FROM table [join] WHERE criteria ...
TRUNCATE quickly removes all rows from a database table.It has the same effect as an unqualified DELETE on each table, but it is faster since it does not actually scan th
Last update on August 19 2022 21:50:45 (UTC/GMT +8 hours) Query Syntax of SQL Query Language This page describes the syntax of SQL. Each select statement in SQL follows precise syntactical and structural rules. The following statement is the minimum structure and syntax required for an SQL...
`Pay` numeric(1) default 0,`PayTime` VARCHAR(20),PRIMARY KEY (`AmerceNO`) ,FOREIGN KEY (`BorrowNO`) REFERENCES borrow_list(`BorrowNO`) ON DELETE CASCAD,FOREIGN KEY (`StudentNO`) REFERENCES student(`StudentNO`) ON DELETE CASCADE ) ENGINE = MYISAM 话说...
Differences between TRUNCATE, DELETE, and DROP The TRUNCATE statement deletes rows from the table but not the table itself. The DELETE statement only removes table data or rows specified in theWHERE clause. The DROP statement drops the existing database object; for example, it can delete the ...
出现:ERROR 1064 (42000): You have an error in your SQL syntax;1.SQL语句拼写错误。 具体很简单。慢慢查看2.使用到了SQL关键字。ADDALLALTERANALYZEANDASASCASENSITIVEBEFOREBETWEENBIGIN
Support for foreign key constraints in NDB 9.2 is comparable to that provided by InnoDB, subject to the following restrictions: Every column referenced as a foreign key requires an explicit unique key, if it is not the table's primary key. ON UPDATE CASCADE is not supported when the refer...