Should I use != or <> for not equal in T-SQL? - Stack Overflow
Yes; Microsoft themselves recommend using <> over != specifically for ANSI compliance, e.g. in Microsoft Press training kit for 70-461 exam, "Querying Microsoft SQL Server", they say "As …
sql - Find all tables containing column with specified name - Stack ...
@Revious INFORMATION_SCHEMA views included in SQL Server comply with the ISO standard definition for the INFORMATION_SCHEMA., sys.columns, sys.tables is Microsoft Sql Server …
How to select unique records by SQL - Stack Overflow
How to select unique records by SQL Asked 16 years ago Modified 1 year, 10 months ago Viewed 747k times
sql - Set database from SINGLE USER mode to MULTI USER - Stack …
In single user mode SQL server acepts only one connection. So close all the windows in the SSMS or any service, application, website using your database. Important thing to know is that …
sql - Exclude a column using SELECT * [except columnA] FROM …
We all know that to select all columns from a table, we can use SELECT * FROM tableA Is there a way to exclude column(s) from a table without specifying all the columns? SELECT * [except …
sql - Must declare the scalar variable - Stack Overflow
@MyVariable and @myvariable are the same variables in SQL Server Man. Studio and will work. However, these variables will result in a "Must declare the scalar variable "@MyVariable" in …
How do I check if a Sql server string is null or empty
How do I check if a Sql server string is null or empty Asked 16 years, 11 months ago Modified 1 year, 11 months ago Viewed 733k times
How can I do an UPDATE statement with JOIN in SQL Server?
This was an example, but the point is as Eric said in How can I do an UPDATE statement with JOIN in SQL Server?. You need to add an UPDATE statement at first with the full address of …
Generating random strings with T-SQL - Stack Overflow
If you wanted to generate a pseudorandom alphanumeric string using T-SQL, how would you do it? How would you exclude characters like dollar signs, dashes, and slashes from it?
sql - Delete duplicate rows keeping the first row - Stack Overflow
10 To delete the duplicate rows from the table in SQL Server, you follow these steps: Find duplicate rows using GROUP BY clause or ROW_NUMBER () function. Use DELETE …