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 OrderNumber LIKE '%' + @

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?

Sep 15, 2008 · The CASE statement is the closest to IF in SQL and is supported on all versions of SQL Server.

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?

SELECT * FROM table INNER JOIN otherTable ON table.ID = otherTable.FK Is there any difference between the statements in performance or otherwise? Does it differ between different SQL …

Apr 5, 2019 · SQL to find the number of distinct values in a column Asked 17 years, 2 months ago Modified 2 years, 7 months ago Viewed 826k times

Jan 12, 2010 · How can I sort multiple columns in SQL and in different directions? For instance, 'column1' would be sorted descendingly and 'column2' ascendingly.

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, Most_Recent_Date, Cost] …

May 3, 2012 · What is the best way to remove all spaces from a string in SQL Server 2008? LTRIM(RTRIM(' a b ')) would remove all spaces at the right and left of the string, but I also need to …

What is a "stored procedure" and how do they work? What is the make-up of a stored procedure (things each must have to be a stored procedure)?