Content preview from Learning PostgreSQL 11 - Third Edition
- What are some concerns about using PL/pgSQL functions, as compared to SQL functions?
- What's the difference between a function and procedure?
- What's the difference between a security invoker and security definer ?
- Write a function in pl/pgSQL to find the greatest common divisor, using iteration.
- Write a function in pl/pgSQL to find the greatest common divisor, using recursion.
- Write a function in SQL to find the greatest common divisor, using recursion.
- How can polymorphism be achieved in pl/pgSQL?
- What's the difference between return SETOF and return TABLE?
- What's the meaning of dynamic SQL?
- Why it is recommended to use the format function when writing functions and stored procedures?
- Describe how functions can be used when defining ...
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ISBN: 9781789535464