Top "Derived-table" questions

Create a temporary table in a SELECT statement without a separate CREATE TABLE

Is it possible to create a temporary (session only) table from a select statement without using a create table statement …

mysql select temp-tables create-table derived-table

Create a SQL query to retrieve most recent records

I am creating a status board module for my project team. The status board allows the user to to set …

sql tsql derived-table

SELECT INTO USING UNION QUERY

I want to create a new table in SQL Server with the following query. I am unable to understand why …

sql sql-server tsql union derived-table

Error Code: 1248. Every derived table must have its own alias No solution found for query

I am getting an error while using this query in MySQL. The query logic is correct and I have tried …

mysql sql alias derived-table

How to find out 2nd highest salary of employees?

Created table named geosalary with columns name, id, and salary: name id salary patrik 2 1000 frank 2 2000 chinmon 3 1300 paddy 3 1700 I tried this …

sql postgresql derived-table

SQL - Relationship between a SubQuery and an Outer Table

Problem I need to better understand the rules about when I can reference an outer table in a subquery and …

sql subquery correlated-subquery derived-table inline-view

Derived account balance vs stored account balance for a simple bank account?

So, its like our normal bank accounts where we have a lot of transactions which result in inflow or outflow …

database database-design derived-table

Inner Joins with Derived Tables

I have a question about the basic syntax of joining with derived tables. Is this teh basic syntax that is …

sql inner-join derived-table

SQL Left Join (Multiple Join Condition)

I have two derived tables named Check Ins and Check Outs Check Ins CheckDate CheckIn ---------- --------- 08/02/2011 10:10:03 08/02/2011 15:57:16 07/19/2011 13:58:52 07/19/2011 16:50:55 07/26/2011 15:11:24 06/21/2011 12:36:47 08/16/2011 14:49:36 08/09/2011 13:52:10 08/09/2011 16:54:51 08/23/2011 15:48:58 09/06/2011 15:23:00 09/13/2011 10:09:27 09/13/2011 10:40:14 09/13/2011 11:43:14 09/13/2011 11:59:32 09/13/2011 17:05:24 09/20/2011 11:03:42 09/20/2011 12:08:50 09/20/2011 15:21:06 09/20/2011 15:34:29 09/27/2011 11:34:06 10/04/2011 11:37:59 10/04/2011 15:24:04 10/04/2011 16:57:44 10/11/2011 18:19:33 Check Outs CheckDate …

sql-server-2005 validation datetime left-join derived-table

How do I tell the MySQL Optimizer to use the index on a derived table?

Suppose you have a query like this... SELECT T.TaskID, T.TaskName, TAU.AssignedUsers FROM `tasks` T LEFT OUTER JOIN ( …

mysql sql join derived-table optimization