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Random row from Linq to Sql
What is the best (and fastest) way to retrieve a random row using Linq to SQL when I have a condition, e.g. some field must be true?
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Replacing NULL with 0 in a SQL server query
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For those few using SQL Server 2000 or 2005 ISNULL is SQL Server 2008 and above.
– Kyle
Jun 23 '16 at 12:36
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How do you kill all current connections to a SQL Server 2005 database?
... answered Aug 14 '08 at 19:56
SQLMenaceSQLMenace
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Why are Oracle table/column/index names limited to 30 characters?
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I believe it's the ANSI standard.
EDIT:
Actually, I think it's the SQL-92 standard.
A later version of the standard appears to optionally allow for 128 character names, but Oracle doesn't yet support this (or has partial support for it, insofar as it allows 30 characters. Hmmm.)
Search fo...
Is there StartsWith or Contains in t sql with variables?
...n, 15) = 'Express Edition' then 1 else 0 end
iif function (starting with SQL Server 2012)
set @isExpress = iif(left(@edition, 15) = 'Express Edition', 1, 0);
charindex function
set @isExpress = iif(charindex('Express Edition', @edition) = 1, 1, 0);
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Table name as variable
...ames need to be static.
For dynamic queries you should generate the full SQL dynamically, and use sp_executesql to execute it.
Here is an example of a script used to compare data between the same tables of different databases:
static query:
SELECT * FROM [DB_ONE].[dbo].[ACTY]
EXCEPT
SELECT * FR...
SQL MAX of multiple columns?
... Date1
END AS MostRecentDate
[For Microsoft SQL Server 2008 and above, you may consider Sven's simpler answer below.]
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PSQLException: current transaction is aborted, commands ignored until end of transaction block
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I got this error using Java and PostgreSQL doing an insert on a table. I will illustrate how you can reproduce this error:
org.postgresql.util.PSQLException: ERROR:
current transaction is aborted, commands ignored until end of transaction block
Summary:
The rea...
How to delete the top 1000 rows from a table using Sql Server 2008?
I have a table in SQL Server. I would like to delete the top 1000 rows from it. However, I tried this, but I instead of just deleting the top 1000 rows it deleted all the rows in the table.
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What good are SQL Server schemas?
I'm no beginner to using SQL databases, and in particular SQL Server. However, I've been primarily a SQL 2000 guy and I've always been confused by schemas in 2005+. Yes, I know the basic definition of a schema, but what are they really used for in a typical SQL Server deployment?
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