SEM 3 SMU MBA SUMMER 2015 MI0034 – DATABASE MANAGEMENT SYSTEM
SMU MBA SUMMER 2015 -2016
Dear Students,
SMU MBA SUMMER 2015-2016 Assignments are available. For Booking ,Kindly mail us on kvsude@gmail.com OR call us to +91 9995105420 or S M S your “ Email ID ” us in the following Format “ On +91 9995105420 we will reach back you with in 24H ”
DRIVE- SUMMER 2015
PROGRAM- MBADS (SEM 3/SEM 5)
MBAFLEX/ MBA (SEM 3)
SUBJECT CODE & NAME
MI0034 – DATABASE MANAGEMENT SYSTEM
Qus:1 a. Database management system acts as intermediary agent between programs and the data. Explain various procedures carried on in a DBMS with example.
- List and explain the properties of DBMS
Ans:
- Explaining the three procedures carried on in a DBMS:
Various procedures carried on in a DBMS
- The process of specifying the data types, structures and constraints is called defining the
Qus:2 Explain the following terminology with an example
- Domain
- Degree of relation
- Entity set
- Primary key
- tuple
Ans:
- meaning of domain &example for domain:
A domain D is a set of atomic values. For each attribute, there is a set of permitted values called the domain of that attribute.
For example: For the attribute empname, the domain is the set of all empnames.
Qus:3 Write short notes on
- cardinality ratio
- participation constraints
Ans:
- defining cardinality ratio:
Explaining the four types of mapping cardinalities:
They are as follows:
- One-to-one
- One-to-many
- Many-to-one
Qus:4 a. A WFF is constructed from one or more atoms connected via Boolean operators (AND, OR, NOT) and quantifiers. List the rules for WFF for all quantifiers.
- What are free and bound variables?
Ans:
- Listing minimum 2 rules and 4 sub-rules under second rule:
- Every atom is a formula.
- If F1 and F2 are formulas, then so are (F1 and F2), not (F1), and not (F2). The truth values of these
Qus:5 a. Describe two phase locking. Elaborate the terminologies used in two phase locking.
- Elaborate advantages of Distributed database management systems
Ans:
- Describing two phase locking:
This process consists of two phases.
- Growing phase
- Shrinking phase
Qus:6 a. What are the advantages in using object oriented database management systems (ODBMS) over relational database management systems
- What are the disadvantages of ODBMS
Ans:
- Listing 8 advantages of ODBMS:
There are many advantages in using ODBMS over RDBMS. They are as follows:
- Objects don’t require assembly and disassembly, and thereby saves coding time and execution time to assemble or disassemble objects.
- ODBMS
SMU MBA SUMMER 2015 -2016
Dear Students,
SMU MBA SUMMER 2015-2016 Assignments are available. For Booking ,Kindly mail us on kvsude@gmail.com OR call us to +91 9995105420 or S M S your “ Email ID ” us in the following Format “ On +91 9995105420 we will reach back you with in 24H ”