DELETE * FROM `college_score_sheet` WHERE province = '江苏省' AND year =2021 > 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 '* FROM `college_score_sheet` WHERE province = '江苏省' AND year =2021' at line 1

这个SQL语句有错误。DELETE语句的正确语法应该是：

DELETE FROM `college_score_sheet` WHERE province = '江苏省' AND year = 2021;

在这个语句中，我们删除了`college_score_sheet`表中满足条件的所有行，条件是省份为江苏省，年份为2021年。

相关问题

> 1064 - You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the

这个错误信息是MySQL数据库语法错误的提示。错误消息中提到了1064错误，这意味着你的SQL语句有错误，不符合MySQL的语法要求。这种错误通常是由于以下几个原因引起的：

1. SQL语句中存在拼写错误、语法错误或者语句结构错误。
2. SQL语句中使用了不支持的MySQL版本的语法。
3. SQL语句中缺少必要的参数或者参数错误。

要解决这个问题，你可以按照以下几个步骤进行排查和修复：

1. 首先，仔细检查你的SQL语句，确保语法正确、拼写正确，并且符合MySQL的语句结构。可以参考MySQL的官方文档或者其他相关的学习资源来学习和理解正确的SQL语法。

2. 检查你所使用的MySQL版本是否支持你所使用的语法。如果你在使用较新版本的MySQL，而你的SQL语句使用了过时或不被支持的语法，那么你需要修改语句以符合当前版本的要求。

3. 检查你的SQL语句中的参数是否正确。确保参数的数据类型和范围正确，并且确保参数的值符合要求。

在排查和修复错误时，可以尝试在MySQL的命令行界面或者其他数据库管理工具中运行语句，以便更好地定位错误所在。此外，你也可以搜索特定错误信息的解决方案，可能会有其他开发者遇到过类似的问题并提供了解决方案。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
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CREATE TRIGGER update_counts AFTER INSERT OR UPDATE ON college FOR EACH ROW BEGIN UPDATE college SET s_number = (SELECT COUNT(*) FROM student WHERE college_id = NEW.college_id), t_number = (SELECT COUNT(*) FROM teacher WHERE college_id = NEW.college_id) WHERE college_id = NEW.college_id; END > 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 'OR UPDATE ON college FOR EACH ROW BEGIN UPDATE college SET s_numbe' at line 2

这个 SQL 语句存在语法错误。错误在于触发器定义语句的结尾处多了一个逗号。可以尝试这样修改：

CREATE TRIGGER update_counts
AFTER INSERT OR UPDATE ON college
FOR EACH ROW
BEGIN
    UPDATE college
    SET s_number = (SELECT COUNT(*) FROM student WHERE college_id = NEW.college_id),
        t_number = (SELECT COUNT(*) FROM teacher WHERE college_id = NEW.college_id)
    WHERE college_id = NEW.college_id;
END;

在这个 SQL 语句中，我将触发器定义放在了多行中，以便更清晰地看出各个部分。另外，我将最后的逗号去掉了。