asp,,
``php,,
``php,$conn = new mysqli('host', 'user', 'pass', 'db');,$result = $conn>query("SELECT * FROM table");,echo json_encode($result>fetch_all(MYSQLI_ASSOC));,
``php,,
``csharp,// 使用 Entity Framework 进行简单查询的示例代码,using (var context = new MyDbContext()),{, var result = context.MyTable.Where(x => x.ColumnName == "Value").ToList();,},
``SELECT
查询结果创建表,可以使用 CREATE TABLE ... AS SELECT ...
语法。,,``sql,CREATE TABLE new_table AS,SELECT column1, column2,FROM existing_table,WHERE condition;,
`,,这样会创建一个名为
new_table 的新表,其结构和数据来源于
existing_table` 中满足条件的行。Powered By Z-BlogPHP 1.7.3
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