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Module-1 of Model Paper-1 (Explained with solutions)
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1a] Explain the types of end users with examples. 1b] What are the advantages of using DBMS? Explain. 1c] Describe the characteristics of database.
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2a] Explain three schema architecture. Why mappings b/w schema levels are required? 2b] Explain the different types of attributes in ER model. 2c] Explain the following. 1. Cardinality Ratio 2. Weak Entity
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Module-2 of Model Paper-1 (Explained with solutions)
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3a] Explain the different Relational Model constraints. 3b] Demonstrate the concepts of Generalization & Specialization with examples. 3c] Explain Entity Integrity Constraint & Referential Integrity Constraints? Why each of these is important in a database.
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4a] Consider the Sailors-Boats-Reserves DB described s (sid, sname, rating, age) b (bid, bname, color) r (sid, bid, date) Write each of the following queries in SQL. 1. Find the colors of boats reserved by Alber. 2. Find all sailor ids of sailors who have a rating of at least 8 or reserved boat 103. 3. Find the names of sailors who have not reserved a boat whose name contains the string “storm”. Order the names in ascending order. 4. Find the sailor ids of sailors with age over 20 who have not reserved a boat whose name includes the string “thunder” 4b] Discuss the Equijoin & Natural Join with suitable example. 4c] Explain the relational algebra operation for set theory with examples.
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Module-3 of Model Paper-1 (Explained with solutions)
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5a] Explain the Cursor & its properties in embedded SQL with an example. 5b] What is a Normalization? Explain the 1NF, 2NF & 3NF with examples. 5c] Explain informal design guidelines for relational schema design.
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6a] What is Functional Dependency? Write algorithm to find minimal cover for set of Functional Dependency. Construct the minimal cover m for set of functional dependency. E={ BA, DA, ABD}. 6b] Explain the types of update anomalies in SQL with an example.
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Module-4 of Model Paper-1 (Explained with solutions)
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7a] Demonstrate the Database Transaction with transaction diagram. 7b] Demonstrate working of Assertion & Triggers in SQL? Explain with an example.
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8a] Demonstrate the System Log in database transaction. 8b] Demonstrate the ACID properties of database transaction. 8c] Explain stored procedure language in SQL with an example.
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Module-5 of Model Paper-1 (Explained with solutions)
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9a] Demonstrate the Two phase locking protocol used for concurrency control. 9b] Demonstrate the Concurrency control based on Timestamp ordering. 9c]Why Concurrency control is needed? Demonstrate with an example.
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10a] What is NOSQL? Explain the CAP theorem. 10b] What are document based NOSQL systems? Explain basic operations CRUD in MongoDB. 10c] What is NOSQL Graph database? Explain Neo4j.
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Database Management Systems (DBMS) || BCS403 || Model Question Paper-1 with solutions (EXPLAINED) || CSE stream || 2022 scheme || Video course with study materials
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