DAA-C01 · Question #55
DAA-C01 Question #55: Real Exam Question with Answer & Explanation
The correct answer is B: Stored procedures enable the execution of repetitive tasks, enhancing efficiency.. Stored procedures are precompiled blocks of SQL code stored in a database that can be called repeatedly, eliminating the need to rewrite complex queries each time - this is exactly why B is correct: they automate and streamline repetitive data tasks, reducing execution overhead a
Question
How do stored procedures contribute to the efficiency of data analysis using SQL?
Options
- AStored procedures can't be used in conjunction with user-defined functions (UDFs).
- BStored procedures enable the execution of repetitive tasks, enhancing efficiency.
- CThey solely facilitate basic arithmetic operations.
- DThey limit data accessibility, hindering analysis.
Explanation
Stored procedures are precompiled blocks of SQL code stored in a database that can be called repeatedly, eliminating the need to rewrite complex queries each time - this is exactly why B is correct: they automate and streamline repetitive data tasks, reducing execution overhead and improving consistency. Option A is false because stored procedures work alongside UDFs; they can call UDFs internally to extend functionality. Option C is wrong because stored procedures handle far more than arithmetic - they manage transactions, conditional logic, loops, and complex multi-step queries. Option D is the opposite of reality; stored procedures actually improve data accessibility by providing a controlled, reusable interface to underlying data.
Memory tip: Think of a stored procedure as a "saved recipe" - you write it once, call it by name anytime, and the kitchen (database engine) already knows how to execute it efficiently without re-reading the instructions from scratch.
Topics
Community Discussion
No community discussion yet for this question.