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Link Left Outer Join Operation Syntax for Available Databases (Magic xpa 3.x)

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Created ByKnowledge Migration User
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Description

Link Left Outer Join Operation Syntax for Available Databases (Magic xpa 3.x)

The Link Left Outer Join definition syntax for each available DBMS is described in the table below.

DBMS

Syntax Structure

Example

MSSQL, DB2, and ODBC

SELECT {column list} FROM main_table LEFT OUTER JOIN linked_table ON (link_condition)

SELECT Dname, Ename FROM departments a LEFT OUTER JOIN employees b ON (a.deptno=b.deptno)

Oracle

SELECT {column list} FROM main_table, linked_table WHERE main_table.column=linked_table.column

SELECT Dname, Ename FROM departments a, employees b WHERE a.deptno=b.deptno(+)

ISAM Databases

In the Data View Editor, you can select the Link Outer Join option for the link regardless of the Main Source. Magic xpa opens the table and retrieves the linked data as a Link Query.

Note: A Link Join operation cannot be used on a Web Service database.

Reference
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