IVY SOFTWARE DEVELOPMENT SERVICES Database Analyst Interview Questions and Answers

Scope of tuning in a SQL query can be found by analyzing query performance, identifying bottlenecks, and optimizing indexes.

• Analyze query performance using tools like SQL Profiler or Execution Plan

• Identify bottlenecks such as slow queries, high CPU usage, or long execution times

• Optimize indexes by adding, removing, or modifying indexes to improve query performance

Insert is used to add a single row into a table, while insert all is used to add multiple rows into a table in a single statement.

• Insert is used to add a single row into a table.

• Insert all is used to add multiple rows into a table in a single statement.

• Insert all is more efficient than using multiple insert statements.