Based on client required, they will re-check with profile and exception should match with requirement and experience. Test questions are easy but time consuming, Do you have knowledge in STATA or T-SQL any professional experience?. read the job requirement and apply. Make your CV in Europass format. Type of Questions: DML, DDL queries, basic function, sub query, date, time, and transformation. Example rollback, commint , round , trunc, substring.