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In a Hierarchical model of data records are organized ? In the hierarchical model of data records are organized as Tree structure.
Explain heap file with advantages? Heap File is an unordered set or a group of records, stored on a set of pages. This class gives basic support for inserting, updating, select
Do you have experts of the dbms
What is storage manager? A storage manager is a program module that gives the interface among the low level data keeps in a database and the application programs and queries su
Logical Operators Rules of Precedence: Order evaluated Operator 1 All comparison operators 2
1. Which model is used to store data in tree structures Ans: Hierarchical model is used to store data in tree structures
Explain the ACID properties of a transaction Ans: ACID properties are a significant concept for databases. The ACID stands for Atomicity, Consistency, Isolation, and Durability
What is persistency? Persistency ensures which data is stored and that after the object is no longer available (program stops running) the data will be available to other users
I need help with some assignments
Question: This Question refers to the database schema given in the Appendix. (a) The integrity of a database is enforced by integrity rules. Discuss what should happen on a
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