我已经安装了 Apache 并在端口 80 启动了 Apache 服务。但是启动 Apache 服务后,MySql 服务没有启动并给我这个错误:
11:53:47 AM [mysql] Attempting to start MySQL service...
11:53:47 AM [mysql] Status change detected: running
11:53:53 AM [mysql] Status change detected: stopped
11:53:53 AM [mysql] Error: MySQL shutdown unexpectedly.
11:53:53 AM [mysql] This may be due to a blocked port, missing dependencies,
11:53:53 AM [mysql] improper privileges, a crash, or a shutdown by another method.
11:53:53 AM [mysql] Press the Logs button to view error logs and check
11:53:53 AM …Run Code Online (Sandbox Code Playgroud) 我必须将数据插入MySQL数据库(appox.200,000).我对插入查询有点困惑.我有两种方法可以将数据插入MySQL:
INSERT INTO paper VALUES('a','b','c','d');
INSERT INTO paper VALUES('e','f','g','h');
INSERT INTO paper VALUES('k','l','m','n');
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和
INSERT INTO paper VALUES('a','b','c','d'),('e','f','g','h'),('k','l','m','n');
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哪个插入查询执行得更快?查询之间有什么区别?