查询子表时需要通过UNNEST操作展开子表(语义上等价于主子表InnerJoin)。支持版本>=Ha3 3.7.0语法格式select:SELECT[ALL|DISTINCT]{*|projectItem[,projectItem]*} FROM tableName,UNNEST(tableName.subTableName)示例返回子表字段:...
查询子表时需要通过UNNEST操作展开子表(语义上等价于主子表InnerJoin)。支持版本>=Ha3 3.7.0语法格式select:SELECT[ALL|DISTINCT]{*|projectItem[,projectItem]*} FROM tableName,UNNEST(tableName.subTableName)示例返回子表字段:...
SQL SERVER 2008R2 默认关闭了以下6个系统表查询权限,本功能发布后开发它们的查询权限:\n1.sysjobs\n2.sysschedules\n3.sysjobsteps\n4.sysjobhistory\n5.syscategories\n6.sysjobschedules.使用了RDS FOR SQL SERVER 2008R2的用户.
\n其他非法字符,见禁用关键字表。enDescription":"The username is invalid.The username can contain lowercase letters,digits,and underscores(_)and must start with a lower letter and end with a lower letter or a digit.If ...
Uploaded photo must be clear and completed,including border,non-occlusion.Format should be JPG or BMP,size is 55K-1MB,could be scanner or digital photo.|{"enDescription":"Uploaded photo must be clear and completed,...
4.使用限制KV、KKV单表查询,where 子句后必须含有PK字段的等值查询条件。如果顶层查询条件由AND连接,必须保证至少有一个子条件是PK字段的等值查询条件。SELECT company_id,company_name FROM company WHERE company_id IN(1,2)AND ...
一使用SELECT子句进行多表查询 SELECT 字段名 FROM 表1,表2…WHERE 表1.字段=表2.字段 AND 其它查询条件SELECT a.id,a.name,a.address,a.date,b.math,b.english,b.chinese FROM tb_demo065_tel AS b,tb_demo065 AS a WHERE a.id=b.id注:在...
Uploaded photo must be clear and completed,including border,non-occlusion.Format should be JPG or BMP,size is 55K-1MB,could be scanner or digital photo.|{"enDescription":"Uploaded photo must be clear and completed,...