Oracle PL/SQL interview prep
PL/SQL Interview Ready
Practise 220 interview questions with answers, from writing your first PL/SQL block to explaining how you would debug a production issue.
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Interview
Ready 220 Questions, Practical Answers & Real-World Scenarios
- Format
- Digital ebook
- Question bank
- 220 answered questions
- Mock interviews
- 3 practice rounds
- Exercises
- 12 with solutions
What's inside
Review the core concepts, then practise explaining your choices in coding and production scenarios.
PL/SQL fundamentals
- Blocks, scope and data types
- Conditional logic and loops
- SQL in PL/SQL interviews
Writing PL/SQL
- Procedures, functions and packages
- Cursors, records and collections
- Bulk processing and triggers
Production scenarios
- Exception handling and debugging
- Transactions and concurrency
- Performance and production design
Interview practice
- 220 interview questions with answers
- 3 mock interviews
- 12 solved exercises
Sample interview questions
What is the difference between BULK COLLECT and FORALL?
BULK COLLECT fetches rows into PL/SQL collections in batches. FORALL sends a batch of DML operations to the SQL engine using values from a collection.
When does SELECT INTO raise TOO_MANY_ROWS?
An ordinary SELECT INTO expects exactly one row. It raises TOO_MANY_ROWS when the query returns more than one row and NO_DATA_FOUND when it returns none.
What you’ll practise
- Practise interview questions on procedures, functions, packages, cursors, and triggers.
- Work through scenarios on exception handling, transactions, and bulk processing.
- Review code examples and expected outputs before practising your own answers.
Practise for your next PL/SQL interview.
Work through the questions, try the exercises and rehearse your answers with the mock interviews.