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Can your organization scan large format documents?
Yes, large format scanning used for such entities as city plans and blueprints is available. We selected scanners with the ability to scan a various sizes from black and white note cards and forms to a multitude of variety of color blue prints.
What is assertion? Mention the forms available. An assertion is a predicate expressing a condition that we wish the database always to satisfy. Domain integrity constraints.
What is an index? An index is a structure that helps to place desired records of a relation quickly, without probing all records.
describe objectivde of file organisation
Explain query execution plan? - Optimizer available in SQL Server optimizes code to be effectively executed. - A query execution plan demonstrates how this optimizer would r
What are the advantages of by using an index and what are its disadvantages ? In difference, if the search key of a secondary index is not a candidate key, it is not sufficient
A B-tree of order how much children m has maximum ? m has maximum m mchildren in a B tree.
What is vertical fragmentation? Vertical fragmentation divides the relation by decomposing the scheme R of relation r.
Which operator is Cartesian product in relational algebra? Cartesian product in relational algebra is a binary operator. (It requires two operands. e.g., P X Q)
Objectives After reading this unit you should be able to: Explain storage of databases on hard disks; Discuss the execution of various file Organisation techniques;
What is a security? Securities are claims on financial assets. They can be illustrated as "claim checks" which give their owners the right to receive funds in the future. Sec
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