Top "Select" questions

Select is a common keyword used to query data.

Trying to use INNER JOIN and GROUP BY SQL with SUM Function, Not Working

I am not getting my head around this, and wondered if anyone may be able to help me with this. …

sql select join group-by inner-join
Manually type in a value in a "Select" / Drop-down HTML list?

In a Windows Forms application, a drop-down selector list also gives the user the option of typing an alternate value …

javascript html select drop-down-menu
jQuery add blank option to top of list and make selected to existing dropdown

So I have a dropdown list <select id="theSelectId"> <option value="volvo">Volvo</option> &…

jquery select drop-down-menu
Combine Multiple child rows into one row MYSQL

Thanks in advance, I just can't seem to get it! I have two tables Ordered_Item ID | Item_Name 1 | Pizza 2 | …

mysql select join
Proper way of checking if row exists in table in PL/SQL block

I was writing some tasks yesterday and it struck me that I don't really know THE PROPER and ACCEPTED way …

sql oracle select plsql
WPF Datagrid set selected row

How do I use the Datagrid.SelectedItem to select a row programmatically? Do I first have to create a IEnumerable …

wpf select datagrid selecteditem
JQuery refresh select box

I am populating a select field using JQuery on page load using this method $('#select').append('<option …

jquery select jquery-mobile option
Angular2 *ngFor in select list, set active based on string from object

I'm trying using the ngFor on my select DropDownList. Have loaded in the options which should be in the dropdown. …

angular typescript select ngfor
How can I SELECT multiple columns within a CASE WHEN on SQL Server?

I have searched this site extensively but cannot find a solution. Here is the example of my query: SELECT ActivityID, …

sql-server select case-when
COUNT(*) vs. COUNT(1) vs. COUNT(pk): which is better?

I often find these three variants: SELECT COUNT(*) FROM Foo; SELECT COUNT(1) FROM Foo; SELECT COUNT(PrimaryKey) FROM Foo; As …

sql select count