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Sql Server string to date conversion
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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...
When do I need to use Begin / End Blocks and the Go keyword in SQL Server?
...n someone tell me when and where I need to use begin and end blocks in SQL Server?
Also, what exactly does the Go keyword do?
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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?
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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.
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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:
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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
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Why do I get “Procedure expects parameter '@statement' of type 'ntext/nchar/nvarchar'.” when I try t
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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
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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
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Can you have if-then-else logic in SQL? [duplicate]
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You can make the following sql query
IF ((SELECT COUNT(*) FROM table1 WHERE project = 1) > 0)
SELECT product, price FROM table1 WHERE project = 1
ELSE IF ((SELECT COUNT(*) FROM table1 WHERE project = 2) > 0)
SELECT product, price FROM ...
C++ ADO Excel中RecordSet.Open打开记录的两个参数adOpenKeyset、adLockBat...
...同。当只需要在 Recordset 中进行一个传递时，用它可提高性能。
1 adOpenKeyset 使用键集游标。尽管从您的 Recordset 不能访问其他用户删除的记录，但除无法查看其他用户添加的记录外，它和动态游标相似。其他用...