Part 4/8:
Another common topic involves differentiating OLTP from OLAP.
OLTP: Focused on day-to-day transactional tasks, featuring operations like INSERT, UPDATE, and DELETE. Example: Banking transactions.
OLAP: Used for complex analytical queries and summary processing. Example: Business intelligence reporting.
Marketing Campaign Effectiveness Evaluation
Data analytics also extends to evaluating marketing effectiveness. Candidates may be asked how to gauge a campaign’s success.
Metrics to Consider:
Conversion Rate: Total conversions divided by total visitors, multiplied by 100.
Customer Acquisition Cost (CAC), Return on Ad Spend (ROAS), Click-Through Rate (CTR), and Engagement Rate.