Relational database management system-2
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- Explain DDL and DML
- Differentiate between Schema and Instance.
- What is transaction log? What are its function?
- What are the various types of distributed databases?
- What is immediate update?
- What is SQL3?
- What is rigorous 2PL scheme?
- What is Big Data?
- How granularity of locks affects concurrency?
- Name two commercial and two freeware relational database management systems
- Define data independence.
- Explain the purpose and scope of database security
- What are the advantages and disadvantages of structured query language?
- Define foreign key.
- How do we modify a table using SQL command?
- How is SQL * PLUS invoked?
- What are cursors in PL/SQL?
- What is control structure? Explain
- Define Data Integrity.
- State any two variations of 2PL protocol.
- What are the components of query processor?
- How does the system generate timestamps?
- Why is the concurrency control needed?
- Can views be used for updating database?
- Discuss about Embedded SQL
- What are the basic steps of query optimizer?
- Discuss mapping cardinalities.
- Write basic data mining process
- What is a log in RDBMS?