大约有 3,610 项符合查询结果(耗时:0.0219秒) [XML]
Sql Server string to date conversion
...
SQL Server (2005, 2000, 7.0) does not have any flexible, or even non-flexible, way of taking an arbitrarily structured datetime in string format and converting it to the datetime data type.
By "arbitrarily", I mean "a form t...
How can I set a custom date time format in Oracle SQL Developer?
By default, Oracle SQL developer displays date values as 15-NOV-11 . I would like to see the time part (hour/minute/second) by default.
...
How to get a float result by dividing two integer values using T-SQL?
Using T-SQL and Microsoft SQL Server I would like to specify the number of decimal digits when I do a division between 2 integer numbers like:
...
Referring to a Column Alias in a WHERE Clause
...fter the WHERE clause.)
But, as mentioned in other answers, you can force SQL to treat SELECT to be handled before the WHERE clause. This is usually done with parenthesis to force logical order of operation or with a Common Table Expression (CTE):
Parenthesis/Subselect:
SELECT
*
FROM
(
SELE...
Export and Import all MySQL databases at one time
I want to keep a backup of all my MySQL databases. I have more than 100 MySQL databases. I want to export all of them at the same time and again import all of them into my MySQL server at one time. How can I do that?
...
Sql Server 'Saving changes is not permitted' error ► Prevent saving changes that require table re-cr
When I create a table in SQL Server and save it, if I try to edit the table design, like change a column type from int to real, I get this error:
...
Why do I get “Procedure expects parameter '@statement' of type 'ntext/nchar/nvarchar'.” when I try t
...
Sounds like you're calling sp_executesql with a VARCHAR statement, when it needs to be NVARCHAR.
e.g. This will give the error because @SQL needs to be NVARCHAR
DECLARE @SQL VARCHAR(100)
SET @SQL = 'SELECT TOP 1 * FROM sys.tables'
EXECUTE sp_executesql @SQL
...
Search text in fields in every table of a MySQL database
I want to search in all fields from all tables of a MySQL database a given string, possibly using syntax as:
24 Answers
...
Get list of databases from SQL Server
How can I get the list of available databases on a SQL Server instance? I'm planning to make a list of them in a combo box in VB.NET.
...
How can one see the structure of a table in SQLite? [duplicate]
How can I see the structure of table in SQLite as desc was in Oracle?
8 Answers
8
...