大约有 5,880 项符合查询结果(耗时:0.0269秒) [XML]
updating table rows in postgres using subquery
Using postgres 8.4, My goal is to update existing table:
6 Answers
6
...
Freeze the top row for an html table only (Fixed Table Header Scrolling) [duplicate]
I want to make an html table with the top row frozen (so when you scroll down vertically you can always see it).
10 Answer...
Why does overflow:hidden not work in a ?
I've got a table cell that I would always like to be a particular width. However, it doesn't work with large strings of unspaced text. Here's a test case:
...
Multi-statement Table Valued Function vs Inline Table Valued Function
...He is correct, there will be a difference in performance between an inline table valued function (ITVF) and a multi-statement table valued function (MSTVF) even if they both simply execute a SELECT statement. SQL Server will treat an ITVF somewhat like a VIEW in that it will calculate an execution p...
MySQL Delete all rows from table and reset ID to zero
I need to delete all rows from a table but when I add a new row, I want the primary key ID, which has an auto increment, to start again from 0 respectively from 1.
...
Search All Fields In All Tables For A Specific Value (Oracle)
Is it possible to search every field of every table for a particular value in Oracle?
16 Answers
...
Setting table column width
I've got a simple table that is used for an inbox as follows:
13 Answers
13
...
How to remove a column from an existing table?
How to remove a column from an existing table?
11 Answers
11
...
Should each and every table have a primary key?
I'm creating a database table and I don't have a logical primary key assigned to it. So, I'm thinking about leaving it without a primary key, but I'm feeling a bit guilty about it. Should I?
...
How to drop SQL default constraint without knowing its name?
...t and dynamically execute it.
declare @schema_name nvarchar(256)
declare @table_name nvarchar(256)
declare @col_name nvarchar(256)
declare @Command nvarchar(1000)
set @schema_name = N'MySchema'
set @table_name = N'Department'
set @col_name = N'ModifiedDate'
select @Command = 'ALTER TABLE ' + @sc...