What is a database tester?

A Database Tester is responsible for validating the integrity, accuracy, and performance of databases by executing test cases, writing SQL queries, and analyzing data. They ensure that data is correctly stored, retrieved, and processed while identifying bugs or inconsistencies. Their work involves functional testing, performance testing, security testing, and data migration testing. The role requires knowledge of database management systems (DBMS), SQL, and testing tools to verify data quality and application reliability.