Data Warehouse and Business Intelligence Test Engineer Interview Questions and Answers

Performance testing is the process of testing the speed, responsiveness, and stability of a software application under various conditions.

• Performance testing helps identify bottlenecks and areas for improvement in the application's performance.

• It involves measuring response times, throughput, and resource usage.

• Types of performance testing include load testing, stress testing, and scalability testing.

• Performance testing tools like JMeter, LoadRunner, and Gatling are commonly ...read more

DDL stands for Data Definition Language in SQL, used to define the structure of database objects.

• DDL statements are used to create, modify, and delete database objects such as tables, indexes, and views.

• Common DDL commands include CREATE, ALTER, and DROP.

• Examples: CREATE TABLE, ALTER TABLE ADD COLUMN, DROP INDEX.