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Database Management Systems

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3
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1
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897
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1
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Assume that two students are trying to register for a course in which there is only one open seat. What component of a database system prevents both students from being given that last seat?
database management systems updated 5 months ago by binitamayekar ★ 5.1k
23
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1
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303k
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Draw E-R diagram for Hospital management System.
database management systems updated 7 weeks ago by jaypanchal90968 • 20
4
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1
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260
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What are the advantages of database management system over file based system?
database management systems updated 6 months ago by apsareena • 610
2
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1
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299
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Formulate Relational Algebra for Queries
database management systems updated 9 weeks ago by binitamayekar ★ 5.1k
5
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1
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24k
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Explain log based recovery
database management systems updated 6.0 years ago by teamques10 ★ 26k
1
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1
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167
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How many key values you can enter in a leaf and non-leaf node of a B+ tree?
database management systems updated 11 weeks ago by binitamayekar ★ 5.1k
2
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1
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259
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Convert the following EER diagram to tables
database management systems updated 9 weeks ago by binitamayekar ★ 5.1k
3
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1
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320
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Draw the serializable graphs for the schedule S1 and S2 and state whether each schedule is...
database management systems updated 6 weeks ago by binitamayekar ★ 5.1k
4
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1
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13k
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1
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List ACID properties. Explain usefulness of each.
database management systems updated 6.0 years ago by teamques10 ★ 26k
1
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1
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5.1k
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We can convert any entity set to a strong entity set by simply adding appropriates attributes. Why then, do we have weak entity sets?
database management systems updated 3 months ago by pedsangini276 • 4.1k
2
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1
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314
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Draw an ER diagram for ticketing system
database management systems updated 12 weeks ago by binitamayekar ★ 5.1k
3
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1
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100k
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Explain Total Participation and Partial Participation with example.
database management systems updated 6 months ago by binitamayekar ★ 5.1k
6
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1
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106k
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1
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Explain types of integrity constraints with example.
database management systems updated 5 months ago by binitamayekar ★ 5.1k
6
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1
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2.4k
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What is ER Diagrams in DBMS
database management systems updated 6 months ago by prakhar1144 ★ 5.0k
7
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73k
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Construct an ER diagram for car insurance company that has a set of customers each of whom owns one or more cars. Each car has associated with it zero to any number of recorded accidents
database management systems updated 3 months ago by dragionro479 • 30
2
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1
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116
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1
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Create and populate database using Data Definition Language (DDL) and DML Commands.
database management systems updated 6 weeks ago by binitamayekar ★ 5.1k
5
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1
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35k
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1
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Describe conflict serializability and view serializability with examples.
database management systems updated 4 days ago by pratikshajawale456 • 30
2
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1
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151
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1
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Convert the following tables to suitable Normal Form.
database management systems updated 6 weeks ago by binitamayekar ★ 5.1k
1
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1
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16k
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Discuss the different security and authorization mechanisms in database management system.
database management systems updated 6 months ago by binitamayekar ★ 5.1k
2
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2
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4.3k
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Explain different data models with its advantages and disadvantages
database management systems updated 4 months ago by teamques10 ★ 26k
0
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0
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147
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0
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(Duplicate) Project of er diagram for hospital
database management systems updated 3 months ago by prakhar1144 ★ 5.0k
0
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1
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10k
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1
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Explain the steps of an algorithm for ER to relational mapping
database management systems updated 6 months ago by binitamayekar ★ 5.1k
2
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1
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181
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1
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Write SQL statements for Queries
database management systems updated 6 weeks ago by binitamayekar ★ 5.1k
2
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1
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187
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1
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Companies manufacture ranges of products which are purchased by customers. The relation schema for this operation is given by:
database management systems updated 5 weeks ago by binitamayekar ★ 5.1k
1
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1
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501
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1
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Differentiate between DBMS and RDBMS.
database management systems updated 4 months ago by prakhar1144 ★ 5.0k
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