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Database Management Systems

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6
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1
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94k
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1
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Draw an ER diagram for university database consisting of four entities
database management systems updated 2.2 years ago by sagarkolekar ★ 11k
0
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1
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4.0k
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What are fundamental relational algebra operations?
database management systems updated 2.2 years ago by yashbeer ★ 11k
2
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1
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13k
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Explain data independence and types of data independence
database management systems updated 2.2 years ago by yashbeer ★ 11k
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1
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1.3k
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1
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Difference between Unique key and Primary key.
database management systems updated 2.2 years ago by yashbeer ★ 11k
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1
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1.6k
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1
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Relational Algebra operations
database management systems updated 2.2 years ago by yashbeer ★ 11k
0
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1
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10k
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1
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Explain Relational algebra operations with proper examples
database management systems updated 2.2 years ago by yashbeer ★ 11k
0
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1
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11k
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1
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Explain Relational algebra operations with proper examples
database management systems updated 2.2 years ago by yashbeer ★ 11k
1
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1
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7.3k
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1
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Explain the following relational algebra operations with proper examples
database management systems updated 2.2 years ago by yashbeer ★ 11k
1
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1
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3.3k
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1
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Explain the following relational algebra operations with proper examples
database management systems updated 2.2 years ago by yashbeer ★ 11k
0
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1
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1.9k
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1
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What are the types of entities in database
database management systems updated 2.2 years ago by yashbeer ★ 11k
0
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1
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1.8k
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1
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Explain 1NF, 2NF, 3NF, BCNF dependency diagram
database management systems updated 2.2 years ago by yashbeer ★ 11k
0
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2
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2.3k
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2
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Define foreign key.
database management systems updated 2.2 years ago by yashbeer ★ 11k
0
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1
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58k
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Explain Weak entity set with suitable example.
database management systems updated 2.2 years ago by yashbeer ★ 11k
0
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1
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1.4k
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1
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Explain what is weak entity?
database management systems updated 2.2 years ago by yashbeer ★ 11k
0
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1
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1.2k
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1
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Views in SQL
database management systems updated 2.2 years ago by sagarkolekar ★ 11k
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1
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1.2k
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1
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cursor and types of cursor
database management systems updated 2.2 years ago by sagarkolekar ★ 11k
2
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1
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7.6k
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1
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Explain the steps of an algorithm for ER to relational mapping
database management systems updated 2.2 years ago by sagarkolekar ★ 11k
0
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1
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893
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1
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Steps for ER to relational mapping.
database management systems updated 2.2 years ago by sagarkolekar ★ 11k
0
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1
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1.2k
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1
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Explain Functional dependencies
database management systems updated 2.5 years ago by binitamayekar ★ 6.6k
5
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1
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43k
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1
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Describe conflict serializability and view serializability with examples.
database management systems updated 2.6 years ago by pratikshajawale456 • 30
1
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1
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61k
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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 2.6 years ago by pedsangini276 • 4.8k
0
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1
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1.9k
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1
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ECA Model : Triggers.
database management systems updated 2.6 years ago by binitamayekar ★ 6.6k
2
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1
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1.4k
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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 2.7 years ago by binitamayekar ★ 6.6k
2
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1
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1.6k
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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 2.7 years ago by binitamayekar ★ 6.6k
3
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1
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22k
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1
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Draw the serializable graphs for the schedule S1 and S2 and state whether each schedule is...
database management systems updated 2.7 years ago by binitamayekar ★ 6.6k
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