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What is a primary index?
A primary index is an index whose search key also explains the sequential order of the file.
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
Define instance and schema? Instance: Collection of data stored in the data base at a certain moment is Schema: The overall design of the data base is known as the data base
sql is relationally complete-justify
Problem: You are given the following schema 1. Flights(flno, from, to, distance) 2. Aircraft(aid, flno, aname, cruisingRange) 3. Certified(eid, aid) 4. Employees(eid, ena
In E-R Diagram how relationship type is represented ? In E-R Diagram relationship type is represented as a Diamond.
Meaningful use refers to the use of certified EHR technology to "enhance quality, efficiency, and reduce health disparities
Determine the Persistent object Persistent object can be stored in one of the following: Files Cheap, permanent, simple storage Low level (Write, Read) Ap
Define a property that is not a property of transactions? Ans: Concurrency is not a property of transactions
Where does view definition stored? A view definition is permanently stored as part of the database.
Define the categories of SQL Statements? 1) Statements that don't return a result set. This statement class includes INSERT, DELETE, and UPDATE. 2)Statements that return
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