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What are the comparison operator in SQL? Comparison operator in SQL are =, LIKE and BETWEEN
Describe relational model? Structure of relational data base Basic structure Database schema Keys Schema diagram Query languages
Deletion Anomalies: Loss of important Information: In some cases, useful information may be lost when a tuple is deleted. For instance, if we delete the tuple corresponding to stu
find a name whose address is erode from student table
a need some real life examples of database management systems three level of ANSI SPARC architecture life teacher and student ,company and employee or for NGO etc.
Explain the concept of a data model ? Data Model - Model is an abstraction procedure which hides irrelevant details although highlighting details relevant to the application
Describe the various types of Online Analytical Processing (OLAP) tools and briefly discuss how the support common analytical operations.
These are interactive interfaces, graphical that hide the difficulty of the DBMS and query language behind an intuitive, simple to understand, and convenient interface. This permit
Assigning Responsibility for Operation Many operations might have obvious target objects, but some of these operations could be used at numerous places in an algorithm, by one
Define page. The database is partitioned into some number of fixed-length blocks, which are referred to as pages.
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