大约有 3,620 项符合查询结果（耗时：0.0256秒） [XML]
Optimal way to concatenate/aggregate strings
...re's how to concatenate strings from different rows using regular Transact SQL, which should work fine in Azure.
;WITH Partitioned AS
(
SELECT
ID,
Name,
ROW_NUMBER() OVER (PARTITION BY ID ORDER BY Name) AS NameNumber,
COUNT(*) OVER (PARTITION BY ID) AS NameCount...
Parameterize an SQL IN clause
...lect * from tags where '|' + @tags + '|' like '%|' + Name + '|%'";
using (SqlCommand cmd = new SqlCommand(cmdText)) {
cmd.Parameters.AddWithValue("@tags", string.Join("|", tags);
}
Two caveats:
The performance is terrible. LIKE "%...%" queries are not indexed.
Make sure you don't have any |,...
How do I drop a foreign key constraint only if it exists in sql server?
...
In MSSQL 2017, it looks like the column is now call constraint_object_id instead of just object_id
– codenamezero
Jul 26 '17 at 14:32
...
Getting the SQL from a Django QuerySet [duplicate]
How do I get the SQL that Django will use on the database from a QuerySet object? I'm trying to debug some strange behavior, but I'm not sure what queries are going to the database. Thanks for your help.
...
How do I use prepared statements in SQlite in Android?
How do I use prepared statements in SQlite in Android?
5 Answers
5
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How can I query a value in SQL Server XML column
I have following XML stored in a XML column (called Roles ) in a SQL Server database.
8 Answers
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How do you determine what SQL Tables have an identity column programmatically
I want to create a list of columns in SQL Server 2005 that have identity columns and their corresponding table in T-SQL.
13...
how can I Update top 100 records in sql server
I want to update the top 100 records in SQL Server. I have a table T1 with fields F1 and F2 . T1 has 200 records. I want to update the F1 field in the top 100 records. How can I update based on TOP 100 in SQL Server?
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Function to Calculate Median in SQL Server
...ng to MSDN , Median is not available as an aggregate function in Transact-SQL. However, I would like to find out whether it is possible to create this functionality (using the Create Aggregate function, user defined function, or some other method).
...
What is the difference between single and double quotes in SQL?
What is the difference between single quotes and double quotes in SQL?
6 Answers
6
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