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.
异步请求的数据,对它做一些处理,需要怎么做呢?? axios 异步请求数据,得到返回的数据, 赋值给变量 info .如果要对 info 的数据做一些处理后再赋值给 hobby ,直接在 axios 的回调函数中做处理.我这里把获取数据,放在了 created 中,在加载页面之前获取数据.这个时候,methods 中的方法还没有请求后的 info 数据,如果调用 methods 中的方法处理 info 数据,info 是未定义的.所以,如果需要对异步加载的数据做一些处理,直接在 axios 的回
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
function removeRepeat(data) { var temp = ""; var mainData = []; for (var i = 0; i < data.length; i++) { if (!data[i].parent) { temp = data[i]; for (var j = 0; j < data.length; j++) { if (temp.DeliveryType == data[j].DeliveryType) { data[j]
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
<script type="text/javascript"> var t function cleaData() { t = setTimeout(syc, 3000); } function syc() { document.getElementById("Label1").innerText = ""; cleart(t); } </script>
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
/****** Object: StoredProcedure [dbo].[getSplitValue] Script Date: 03/13/2014 13:58:12 ******/ SET ANSI_NULLS ON GO SET QUOTED_IDENTIFIER ON GO ALTER PROCEDURE [dbo].[getSplitValue] AS --定义获取GUID ) SET @NEWID= REPLACE(NEWID(),'-','') --判断临时表数据是否存在,如果
模型 models.py中 from django.db import models class User(models.Model): name = models.CharField() class OrderInfo(models.Model): order_id = models.CharField(max_length=128, primary_key=True) #默认的 在外键所在的表中保存的是对应主表的数据行的id值,该字段名称为模型字段名+ "_id" 这里就是 use