Memory Game Database Management Systems — Memory MatchOnline version Match DBMS concepts with brief descriptions. by PARMAR MAYANK Eliminates redundancy via normal forms. ACID Normalization Restore data after failure. Index Concurrency control RDBMS Stores data in tables with schemas. Backup and Recovery Query language for managing data. Unit of work with ACID properties. Atomicity, consistency, isolation, durability. SQL Transaction Regulates simultaneous data access. Speeds up data retrieval.