大约有 3,620 项符合查询结果(耗时:0.0111秒) [XML]
How to check if a function exists on a SQL database
...lar function. This link tells you different parameters values you can pass sqlhints.com/tag/how-to-check-if-function-exists. I keep using 'FN' to check for existing Table value function, and it does not work. I have to use 'TF'
– user12345
Dec 29 '17 at 17:33
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Format of the initialization string does not conform to specification starting at index 0
...hich has a list of commonly used ones.
Commonly used Connection Strings:
SQL Server 2012
Standard Security
Server=myServerAddress;Database=myDataBase;User Id=myUsername;Password=myPassword;
Trusted Connection
Server=myServerAddress;Database=myDataBase;Trusted_Connection=True;
Connection to ...
When to use a View instead of a Table?
... @ouonomos: A normal view doesn't contain any data. It is just a stored SQL statement, i.e. a view on the underlying data. Some databases (e.g. Oracle, PostgreSQL) support materialized views, which store the "view" temporarily in another table for faster access. This is done to speed up read acce...
T-SQL: Selecting rows to delete via joins
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In PostgreSQL syntax with join doesn't work but it is possible to use "using" keyword. DELETE from TableA a using TableB b where b.Bid = a.Bid and [my filter condition]
– bartolo-otrit
Jun 13 '12...
Set a DateTime database field to “Now”
In VB.net code, I create requests with SQL parameters. It I set a DateTime parameter to the value DateTime.Now, what will my request look like ?
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PostgreSQL: Show tables in PostgreSQL
What's the equivalent to show tables (from MySQL) in PostgreSQL?
24 Answers
24
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Learning about LINQ [closed]
...ject reference comparison
Apply aggregates to empty collections in LINQ to SQL queries
Delay loading a property in LINQ to SQL
Use table-valued functions with eager loading turned on
Put joins in the correct order in a LINQ to Objects query
Compose a LINQ query inside a loop
http://www.aspnetpro.c...
How to delete large data of table in SQL without log?
...rform a checkpoint. This is how I would do it and take this article http://sqlperformance.com/2013/03/io-subsystem/chunk-deletes as reference, with performance tests and graphs:
DECLARE @Deleted_Rows INT;
SET @Deleted_Rows = 1;
WHILE (@Deleted_Rows > 0)
BEGIN
BEGIN TRANSACTION
-- Del...
List of tables, db schema, dump etc using the Python sqlite3 API
For some reason I can't find a way to get the equivalents of sqlite's interactive shell commands:
11 Answers
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