How do I perform an IF...THEN in an SQL SELECT?
Sep 15, 2008 · The CASE statement is the closest to IF in SQL and is supported on all versions of SQL Server.
SQL: IF clause within WHERE clause - Stack Overflow
Sep 18, 2008 · Is it possible to use an IF clause within a WHERE clause in MS SQL? Example: WHERE IF IsNumeric(@OrderNumber) = 1 OrderNumber = @OrderNumber ELSE …
sql server - SQL MAX of multiple columns? - Stack Overflow
Mar 8, 2012 · How do you return 1 value per row of the max of several columns: TableName [Number, Date1, Date2, Date3, Cost] I need to return something like this: [Number, …
sql - Concatenate text from multiple rows into a single text string ...
Consider a database table holding names, with three rows: Peter Paul Mary Is there an easy way to turn this into a single string of Peter, Paul, Mary?
Login to Microsoft SQL Server Error: 18456 - Stack Overflow
Jul 8, 2016 · I am getting this error while trying to connect to the SQL Server. Microsoft SQL Server Error: 18456 Can anybody tell me what the error code means?
SQL to find the number of distinct values in a column
Apr 5, 2019 · SQL to find the number of distinct values in a column Asked 17 years, 2 months ago Modified 2 years, 8 months ago Viewed 826k times
How to fix Recovery Pending State in SQL Server Database?
Sep 14, 2018 · Rename the DB and the Log files (Database Properties -> Files) In the Object Explorer window in SQL Management Studio, refresh the 'Databases Folder', if you see that …
SQL - STDEVP or STDEV and how to use it? - Stack Overflow
May 12, 2017 · SQL - STDEVP or STDEV and how to use it? Asked 12 years, 10 months ago Modified 3 years, 3 months ago Viewed 129k times
What is the use of the square brackets [] in sql statements?
The Microsoft book for SQL course says "You should use two-part names to refer to tables in SQL Server databases, such as Sales.Customer" so they don't ask to surround namespace with …
How to convert a datetime to string in T-SQL - Stack Overflow
Feb 22, 2013 · In addition to the CAST and CONVERT functions in the previous answers, if you are using SQL Server 2012 and above you use the FORMAT function to convert a DATETIME …