Visakh V

database design database recovery.view serializability security issues in database dbms users relational algebra normalization functional dependency transaction management properties of transactions check point memory management memory management schemes worst fit first fit best fit next fit freeing memory buddy system operating system keys in dbms introduction to dbms data models data abstraction & 3 schema strong & weak entity dbms basic idea dbms relational algebra subqueries aggregate function group by data constraints normal forms bcnf 2nf 1nf database end user specialized users sophisticated users casual end users data base administartor naive or parametric users softeware engineer file organization shadow paging time stamping methods serializability (preliminary treatment only) concurrency control locking methods conflict in dbms mark and sweep algorithm. mark and sweep boundary tag method compaction buddy system with example