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What is the most significant feature that does not directly map into programming language structures? Why? Association, since there are complex types of association, like as qu
Describe the two alternatives for specifying structural constraints on relationship kinds? Relationship kinds have certain constraints in which limit the possible combination o
Single-Valued Dependencies A database is a collection of related information and it is therefore inevitable that some items of information in the database would depend on some
Define two-phase locking protocol. Ans: Two-phase locking is significance in the context of ensuring that schedules are serializable. The two-phase locking protocol defines a p
Question: (a) Prepare an ERD for the scenario given below. (b) Convert the ER diagram produced in (a) above into its physical design. You have to choose an appropriate Pri
Define access time. Access time is the time from when a read or write request is issued to when data transfer starts.
Answer SQL Queries to extract data from data tables and questions on mapping conceptual data models into relational data model.
The primary key is selected from the
Northwind Pty Ltd sells a variety of food products throughout the world. They want to use the reporting features of SAP's Business Information Warehouse to better understand their
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