How can SQL improve my MCA career prospects?

SQL is used to retrieve and manage relational data. A strong MCA learner should practise SELECT queries, joins, grouping, subqueries, transactions and basic database design. The practical value of SQL becomes clearer when you use it to solve an actual problem instead of studying definitions alone. This point is specifically relevant to the SQL aspect of MCA study. For this specific question about SQL, the practical takeaway is to relate the concept to your own MCA learning goal.