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What is ODBC ?
ODBC - Open DataBase Connectivity which is also denoted by ODBC enable the integration of SQL along with a common-purpose programming language. ODBC expose database capabilities within a standardized way to the application programmer by an application programming interface (API). By Using ODBC, an application could access not only one DBMS but various different ones concurrently.
Define multivalued dependency. What do understand by trivial multivalued dependency? Ans: A multivalued dependency is a full constraint among two sets of attributes in a rela
Make SQL statements for the following scenarios. Your response should contain SQL statement, output and any other assumptions you have made to arrive at the answer. For Colorado cu
What is a database graph? The partial ordering implies that the set D may now be viewed as a directed acyclic graph, known as a database graph.
what is view?explain
what is completeness constrent?
Answer SQL Queries to extract data from data tables and questions on mapping conceptual data models into relational data model.
It is mandatory that for every table in the LDB hierarchy there should exist one GET statement in the report. False. It is not essential.
How many types of Views are there? There are Four types of views:- Database View Help View Projection View Maintenance View
What is Distributed system ? Distributed System - A distributed system consists of a number of processing parts in which are interconnected through a computer network and in
What is transaction? Transaction is a unit of program implementation that accesses and possibly updated several data items.
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