SELECT * FROM ( SELECT col1 AS col FROM yourtable UNION SELECT col2 AS col FROM yourtable UNION -- ... UNION SELECT coln AS col FROM yourtable ) T1 WHERE col IS NOT …

@T.J.Crowder You are correct -- not sure what I was thinking when I wrote the second half. I've deleted the original comment and for the purpose of not confusing others, here is the original …

Feb 26, 2019 · I want to do a select request that perform a first select and then use that selection to perform a second select. I made a 1st version using a temp table but I would like to know if …

Jan 7, 2013 · Using a SELECT statement with a searched CASE expression. Within a SELECT statement, the searched CASE expression allows for values to be replaced in the result set …

Aug 19, 2010 · Why not disabled? When you use disabled attribute together with <button type="reset">Reset</button> value is not reset to original placeholder.

Jul 24, 2022 · Learn how to get the selected value from a dropdown list using JavaScript with this helpful guide.

The simple difference between select Into and Insert Into is: --> Select Into don't need existing table. If you want to copy table A data, you just type Select * INTO [tablename] from A. Here, …

Using Microsoft SQL Server Management Studio you can create Linked Server.First make connection to current (local) server, then go to Server Objects > Linked Servers > context …

SELECT * FROM TABLE1 T1 WHERE EXISTS ( SELECT 1 FROM TABLE2 T2 WHERE T1.ID= T2.ID ); Basically, the above will return everything from table 1 which has a corresponding ID …

When I perform SELECT * FROM table I got results like below: 1 item1 data1 2 item1 data2 3 item2 data3 4 item3 data4 As you can see, there are dup records from column2 (item1 are …