Mercer Senior Implementation Analyst Interview Questions and Answers

SQL queries for top N results, deleting duplicates, primary keys, null handling, and basic programming.

• Use the SELECT TOP statement to retrieve the top N results.

• Use the DISTINCT keyword to remove duplicates from the result set.

• Define a primary key for a table using the ALTER TABLE statement.

• Use the IS NULL or IS NOT NULL operators to handle null values.

• Use basic programming constructs like IF-ELSE and WHILE loops in S