Final answer:
To convert Oracle procedures to PostgreSQL, one must rewrite the code to ensure compatibility with PostgreSQL's syntax and capabilities, which can be complex and time-consuming.
Step-by-step explanation:
Converting Oracle procedures to PostgreSQL is not a straightforward task due to the differences in PL/SQL (Oracle) and PL/pgSQL (PostgreSQL) languages, as well as other database characteristics. Generally, it involves analysing and rewriting the code to adapt it to PostgreSQL syntax and capabilities. The process includes:
- Examining the procedure logic and flow control to ensure compatibility.
- Translating data types and function calls.
- Adjusting SQL queries and DML operations to match PostgreSQL's standards.
- Testing procedures extensively in the PostgreSQL environment to confirm that they behave as expected.
It's often recommended to use migration tools or services that can help automate parts of this process, but manual intervention will still be necessary for complex procedures. Hire a professional with experience in both databases for an efficient conversion, or plan for significant time investment in learning PostgreSQL's procedural language and testing.