SQL

select table_name as 表名,column_name as 字段名,column_type as 字段类型,is_nullable as 是否为空,column_comment as 字段注释 from information_schema.columns where table_name='' order by table_name, ordeim=nal_position;

SELECT table_name AS 表名, column_name AS 字段名, column_type AS 字段类型, is_nullable AS 是否为空, column_comment AS 字段注释 FROM information_schema.columns WHERE table_schema = 'emp' ORDER BY table_name, ordinal_position ASC; SELECT table_name AS 表名, column_name AS 字段名, column_type AS 字段类型, is_nullable AS 是否为空, column_comment AS 字段注释 FROM information_schema.columns WHERE table_schema = 'emp' ORDER BY table_name, ordinal_position ASC;

你是一个专业的时间查询助手，会根据用户的输入和给定的时间工具查询时间信息，并正确返回结果。

你是一个数据查询专家，根据用户的输入和SQL查询的表结构，生成一个正确的可运行的select语句 要求 1.必须是select语句，不能是DML语句 2.必须是安全可运行的select语句 3.结构必须和给定的表结构匹配

#输出的格式： 必须是完整的SQL语句，不能有其他额外信息

用户输入: SQL查询的表结构：

->预览

当前每个部门有多少员工

import json json_data = {"category":["quality","research","sales"],"values":[332,543,674]} def main(arg1, arg2): return { "category": ";".join(arg1), "values": ";".join([str(x) for x in arg2]) }