A DBMS organises and manages structured data. MCA students should understand tables, relationships, keys, transactions, normalisation and query processing because database knowledge appears in many software roles. If your target role involves DBMS, include at least one demonstrable project rather than mentioning the topic only as a skill. This point is specifically relevant to the DBMS aspect of MCA study. For this specific question about DBMS, the practical takeaway is to relate the concept to your own MCA learning goal. In other words, this guidance addresses: What skills are needed for DBMS after an MCA?