Dec 18, 2014 · I have a table containing a unique ID field. Another field (REF) contains a reference to another dataset's ID field. Now I have to select all datasets where REF points to a …

I am new to SQL can someone help me understand why do we use Select .* in sql server ? And why is it different from just select * from table name In some cases we use statements like …

SELECT 1 FROM table What does this 1 mean, how will it be executed, and what will it return? Also, in what type of scenarios can this be used?

<select onChange="javascript:doSomething();"> <option>A</option> <option>B</option> <option>C</option> </select> Now, doSomething() only gets triggered when the selection …

SELECT * FROM ScoresTable WHERE Score = (SELECT MAX(Score) FROM ScoresTable AS st WHERE st.Date = ScoresTable.Date) Is there a name to describe using a SELECT …

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 - is there is a wa...

Jan 18, 2012 · You can select every column from that sub-query by aliasing it and adding the alias before the *: SELECT t.*, a+b AS total_sum FROM ( SELECT SUM(column1) AS a, …

SELECT * from employees WHERE NOT EXISTS ( SELECT name FROM eotm_dyn WHERE eotm_dyn.employeeid = employees.employeeid ) assuming that the two tables are linked by a …

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 …

This Stack Overflow thread discusses the possibility of adding an option separator for select elements in HTML and provides insights from developers.