Rule Definition
Presence of a synonym and aliases with several definitions induces code complexity.
Remediation
Reconsider the use of synonym with multiple definitions: one idea could be to rename one of them
Violation Code Sample
CREATE PUBLIC SYNONYM emp FOR SCOTT.EMP;
ALTER SESSION SET CURRENT_SCHEMA = joe;
CREATE SYNONYM emp FOR SCOTT.EMP;
Fixed Code Sample
CREATE PUBLIC SYNONYM emp FOR SCOTT.EMP;
ALTER SESSION SET CURRENT_SCHEMA = joe;
CREATE SYNONYM joe_emp FOR SCOTT.EMP;
Reference
Oracle documentation
Related Technologies
Technical Criterion
Efficiency - SQL and Data Handling Performance
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