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Database Management Systems

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4
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1
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23k
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1
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What is transaction? Discuss ACID properties of transaction?
database management systems updated 22 months ago by sagarkolekar ★ 10k
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1
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4.1k
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Explain Referential integrity.
database management systems updated 22 months ago by sagarkolekar ★ 10k
5
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1
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38k
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What is Normalization? Explain 1NF, 2NF, 3NF and BCNF giving examples.
database management systems updated 22 months ago by sagarkolekar ★ 10k
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18k
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Explain authorization in sql.
database management systems updated 22 months ago by sagarkolekar ★ 10k
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6.5k
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write SQL queries
database management systems updated 22 months ago by sagarkolekar ★ 10k
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4.4k
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Short note on Security in Database.
database management systems updated 22 months ago by sagarkolekar ★ 10k
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19k
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Explain various types of constraints with an example.
database management systems updated 22 months ago by sagarkolekar ★ 10k
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3.3k
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Write about Aggregate Functions in SQL.
database management systems updated 22 months ago by sagarkolekar ★ 10k
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1.0k
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Explain what is weak entity?
database management systems updated 13 months ago by yashbeer ★ 11k
3
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16k
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Draw the serializable graphs for the schedule S1 and S2 and state whether each schedule is...
database management systems updated 20 months ago by binitamayekar ★ 6.2k
2
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1
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1.5k
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Write SQL statements for Queries
database management systems updated 20 months ago by binitamayekar ★ 6.2k
2
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1
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1.1k
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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 19 months ago by binitamayekar ★ 6.2k
2
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1
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1.0k
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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 19 months ago by binitamayekar ★ 6.2k
0
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1
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1.5k
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ECA Model : Triggers.
database management systems updated 19 months ago by binitamayekar ★ 6.2k
1
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1
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57k
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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 19 months ago by pedsangini276 • 4.7k
5
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Describe conflict serializability and view serializability with examples.
database management systems updated 18 months ago by pratikshajawale456 • 30
0
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1
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972
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Explain Functional dependencies
database management systems updated 17 months ago by binitamayekar ★ 6.2k
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1
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651
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Steps for ER to relational mapping.
database management systems updated 13 months ago by sagarkolekar ★ 10k
2
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1
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6.4k
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Explain the steps of an algorithm for ER to relational mapping
database management systems updated 13 months ago by sagarkolekar ★ 10k
0
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1
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923
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cursor and types of cursor
database management systems updated 13 months ago by sagarkolekar ★ 10k
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948
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Views in SQL
database management systems updated 13 months ago by sagarkolekar ★ 10k
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1.3k
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Relational Algebra operations
database management systems updated 13 months ago by yashbeer ★ 11k
0
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1
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990
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1
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Difference between Unique key and Primary key.
database management systems updated 13 months 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 13 months ago by yashbeer ★ 11k
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Explain Relational algebra operations with proper examples
database management systems updated 13 months ago by yashbeer ★ 11k
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