092_Schema获取表字段的方式】的更多相关文章

如何在Sql2008中获取表字段属性和注释? select b.[value] from sys.columns a left join sys.extended_properties b on a.object_id=b.major_id and a.column_id=b.minor_id inner join sysobjects c on a.column_id=c.id and a.[name]='列名' and c.[name]='表名' SELECT 表名=case when a.…
SELECT TableName = OBJECT_NAME(c.object_id), ColumnsName = c.name, Description = ex.value, ColumnType=st.name, Length=c.max_length FROM sys.columns c LEFT JOIN sys.extended_properties ex ON ex.major_id = c.object_id AND ex.minor_id = c.column_id AND…
一.获取表字段: select * from user_tab_columns where Table_Name='用户表' user_tab_columns 为当前用户的columns,除此之外还有all_tab_columns和dba_tab_columns,这两个多了owner列 select * from all_tab_columns where Table_Name='用户表' and owner = 'admin' 二.获取表注释: select * from user_tab_c…
SELECT * FROM ( select a.name TABLENAME,b.name FIELDNAME,c.name FIELDTYPE,c.length FIELDLENGTH from sysobjects a,syscolumns b,systypes c where a.id=b.id and a.name='SYS_EXCEL' and a.xtype='U' and b.xtype=c.xtype) TAB WHERE FIELDNAME='ImportFIELDNAME'…
select   b.[value] from sys.columns a left join sys.extended_properties b on a.object_id=b.major_id        and a.column_id=b.minor_id inner join sysobjects c on a.column_id=c.id        and a.[name]='列名' and c.[name]='表名'        SELECT        表名=case …
select b.COMMENTS,a.COLUMN_NAME,a.DATA_TYPE,a.DATA_LENGTH, a.DATA_PRECISION,a.DATA_SCALE,a.NULLABLE,COLUMN_ID from user_tab_columns a inner join user_col_comments b on b.COLUMN_NAME=a.column_name and b.table_name=a.TABLE_NAME where a.table_name =UPPE…
SELECTTABLE_NAME as '表名', column_name AS '列名', data_type AS '数据类型', character_maximum_length AS '字符长度', numeric_precision AS '数字长度', numeric_scale AS '小数位数', is_nullable AS '是否允许非空', CASE WHEN extra = 'auto_increment' THEN 1 ELSE 0 END AS '是否自增', col…
出处:kelvin19840813 的博客 http://www.cnblogs.com/kelvin19840813/ 您的支持是对博主最大的鼓励,感谢您的认真阅读.本文版权归作者所有,欢迎转载,但请保留该声明. 很多人都知道mysqlbinlog 解释出来的binlog的 insert , update 是位置相反的 , 还有表字段都是@1 ... @数字 , 很恶心!!! 但没看到有人在 mysql8.0 功能需求时提问题出来 , 自己也没有提出来  唯有自己解释 frm 文件,获取表字段…
在使用SqlBulkCopy导入数据时,要有一个跟数据库里面同样的DataTable 要赋值表名 要求每个列跟数据库中列同名,并且列的类型要赋值跟数据库中列的类型对应的NET类型 要求数据库中为Null的数据,赋值DBNull.Value 代码: [AcceptVerbs(HttpVerbs.Post)] public JsonResult Upload(HttpPostedFileBase fileData) { if (fileData != null) { try { Guid UserI…
一.问题 业务需要把TB_Delete_KYSubProject表数据恢复到TB_KYSubProject,但提示错误,错误原因是两表字段类型存在不一致 insert into [TB_KYSubProject] SELECT * from [TB_Delete_KYSubProject] WHERE [TB_Delete_KYSubProject].id = 'A49CFC7B-8F9D-476F-B853-CA62C18E2D03' 二.方法 一个个字段比对很麻烦,所以用以下sql 查询出两…