W3vina.COM Free Wordpress Themes Joomla Templates Best Wordpress Themes Premium Wordpress Themes Top Best Wordpress Themes 2012

You are viewing an old revision of this post, from May 29, 2015 @ 04:01:08. See below for differences between this version and the current revision.

DB Join

DB join facilitates reference between tables, from one table to another. Combine rows from two or more tables, based on a common field between them. The concepts below are all based on SQL. dbjo Fields & its description:
  • Description
Enter the description of the database join operation regarding source and destination.
  • From
Specify the table from which data has to be retrieved here.
  • To
This is the destination table where the data from the source is acquired.
  • Type
Type may be Direct if the path of data connection is between the source and destination tables only. Indirect type is selected if several tables are accessed in order to connect the source and destination table. If your choice is Indirect then specify the path of "indirect from" and "indirect to" table.
  • Join
These are table operations where Inner join will retrieve the intersection of data from the source and destination table. Left Outer join will display the common data along with the data from source table.
  • Expression
This is the expression of the DB join operation.                

Revision Differences

There are no differences between the May 29, 2015 @ 04:01:08 revision and the current revision. (Maybe only post meta information was changed.)

Translate »