Business View: A business view is a selection of data items from one or more tables.
Table Joins: A table join combines data from individual rows of joined tables. Types of joins are:
- Simple Join: This includes only rows that match both the primary and secondary tables.
- Right Outer Join: This includes rows common to both the tables and unmatched rows from secondary table.
- Left Outer Join: This includes rows common to both the tables and unmatched rows from primary table.
- Sql 92 left outer join: This includes rows common to both the tables and unmatched rows form primary and null values in the secondary tables.
- On OMW click 'ADD'.
- On Add One world object to project, choose business view option and then click OK.
- On Add object complete all the fields like Object name, Description, Product code, System code, Object use and click OK.
V is business view name.
ZZZZZZZZ is character of primary table.
A is letter to generate view.
Working with business view: It has 4 windows
- Table Join: It defines the tables over which you create the business view.
- Available Tables: It locates tables for selecting and moving to the table joins view.
- Selects columns: It lists the data items from your tables that are included in your business view.
- Properties: we can get all the properties of the object.
To launch Business View Design Aid:
- After entering into OMW window click on existing business view and click the "Design" button in the center column.
- Click on design tool tab and then click start the "Business View Design Aid".
- Search the tables and add them to table joins view by drag and drop.
- If we add more than one table to a joins view then the first table is automatically indicated as primary table. If we want we can change it by double clicking on the title bar of desired table. A primary table denoted by a crown symbol in the upper left corner.
- To delete the table from a business view choose it and choose delete from table menu.
- Select the data items highlighted in the table joins window. As you select each item is added to the select column window.
- You cannot join unlike items.
- Click and draw a line that links a column in the primary table to a column in the related table. You can create joins between the same data items only.
- To delete a join choose it and choose delete from the join menu.
- From the join menu choose types and choose one of the join types: Simple join, Left outer join, Right outer join.
- Click the selected columns view to sequence columns.
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