Rule Definition
Presence of a synonyms defined as PUBLIC induce Performance & security problems
Remediation
Reconsider usage of PUBLIC Synonym in your code
Reference
Oracle documentation, for example
Related Technologies
PL/SQL
Technical Criterion
Efficiency - SQL and Data Handling Performance
About CAST Appmarq
CAST Appmarq is by far the biggest repository of data about real IT systems. It's built on thousands of analyzed applications, made of 35 different technologies, by over 300 business organizations across major verticals. It provides IT Leaders with factual key analytics to let them know if their applications are on track.