Using Logical Databases in SAP ABAP

Using Logical Databases in SAP ABAP

A logical database can be used in the following ways.

By linking it was an executable program in Program Attributes.
By using the function module LDB_PROCESS

The SELECTION SCREEN is displayed only if link the Logical Database in the Program Attributes. It is not displayed if you call it using the Function Module LDB_PROCESS.

Editing Logical Databases:

The Logical Database can be edited using the following methods.

By using the Logical Database Builder in ABAP workbench.
Transaction SE36 or SLDB the menu path is given below.

Tools---------->ABAP Work Bench--------------->Development------------->Programming Environment-------------->Logical Database Builder

Naming the Logical Database: The name can be upto 20 characters. It can also contain a three to to ten character namespace prefix, enclosed in forward slashes. From the initial screen the Logical Database can be created, copied or deleted. Before deleting the Logical Database its links form any program should be removed. You can use the where used link to find exactly where a Logical Database used before deleting it.