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 …

Dec 18, 2014 · SELECT * FROM YourTable y WHERE NOT EXISTS (SELECT * FROM OtherTable o WHERE y.Ref = o.Ref) SELECT * FROM YourTable WHERE Ref NOT IN …

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 …

@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 …

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 …

Dec 20, 2017 · To build upon Jasneet's answer: Style the background of a disabled option as gray (Jasneet); Add disabled options above and below to pad the separator

Select column is more performatic of select *, but if you is developing an oriented object system, then you will like use object.properties and you can need a properties in any part of apps, then …

Apr 27, 2011 · <select> <option value="">Select your option</option> <option value="hurr">Durr</option> </select> But the 'Select your option' is in black instead of …

Mar 3, 2015 · In MS Access, I want to insert a new column into the returned result of a select query. The new column has the same value for every row. For example, my select returns …

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 …