Do as Directed 1. Define Dense index 2. What do you mean by Dirty bit? 3. Differentiate interleaved concurrency v/s parallel concurrency. 4. List out various database utilities that help the DBA manage database system. 5. What is the use of BLOB? 6. DES stand for ------------ 7. The description of database is called the -------------------
[7 marks]1. Explain Three- schema architecture with diagram 2. Write a note on Double Buffering
[3 marks]List out and Explain advantages of DBMS approach
[7 marks]What is tuning? What are the goals of it? Discuss types of problems encountered during it. Also discuss the different types of statistics required for it.
[7 marks]What do you mean by key field ?Explain in brief the concepts of primary index, clustering index and secondary index
[7 marks]Write a note on PKI with its six ingredients and Digital signature
[7 marks]Why deferred update technique is called NO UNDO/REDO method? Discuss deferred update technique in a single user environment with example.
[7 marks]Write a note on WAL, Steal/No-steal approach and Force/no-Force approach
[7 marks]List out four main control measures that are used to provide security of data. Explain Access control and action performed by DBA for security in brief.
[7 marks]Explain Fixed length records, variable length records, spanned records and un- spanned records with example.
[7 marks]Give functions of Temporal database. List out various temporal data types. Explain the concepts of valid time and transaction time dimension with example.
[7 marks]Explain in brief distributed concurrency control based on distinguished copy of a data item in DDBMS.
[7 marks]List the object relational features included in SQL-99.Give an example of each
[7 marks]What is GIS? List out and explain various characteristics of data in GIS.
[7 marks]Explain bulk insert using SQL* loader.
[7 marks]Write a note on Mobile computing architecture.
[7 marks]Explain oracle Net configuration in detail.
[7 marks]