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 …

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...

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

select 1 from table will return the constant 1 for every row of the table. It's useful when you want to cheaply determine if record matches your where clause and/or join.

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 · Learn how to set the default value for an HTML <select> element using JavaScript or HTML techniques.

I'm wondering what is the benefit to use SELECT WITH (NOLOCK) on a table if the only other queries affecting that table are SELECT queries. How is that handled by SQL Server? Would a …

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.

Oracle SQL - select within a select (on the same table!) Asked 15 years, 2 months ago Modified 9 years, 1 month ago Viewed 142k times

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, …