Question

好吧，我已经有一段时间了，需要一些帮助。谢谢！

ERROR: Error 1064: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '() now,

  `Body` TEXT NULL,

  `Created` TIMESTAMP NULL COMMENT 'This descrbes th' at line 2



CREATE TABLE IF NOT EXISTS `Newsletters` (

  `Subject` INT NOT NULL DEFAULT () now,

  `Body` TEXT NULL,

  `Created` TIMESTAMP NULL COMMENT 'This descrbes the newsletter.',

  PRIMARY KEY (`Subject`))

ENGINE = InnoDB



SQL script execution finished: statements: 36 succeeded, 1 failed



Fetching back view definitions in final form.

Could not get definition for ABC_Blue.view1 from server

1 views were read back.

Answer 1

错位的parantheses，试试

 DEFAULT now(),

但是你现在想要INT列的默认值吗？也许对于timestamp列，在这种情况下你可以：

Created TIMESTAMP DEFAULT CURRENT_TIMESTAMP,

即使该字段是日期时间，请查看此处，您仍然无法将其默认设置为现在。

Docs

现在在mysql 5.6中使用'（）附近的正确语法是什么？

1 个答案: