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Explain heap file with advantages?
Heap File is an unordered set or a group of records, stored on a set of pages. This class gives basic support for inserting, updating, selecting, and deleting records. Temporary heap files are used for external sorting and within other relational operators. A sequential scan of a heap file (through the Scan class) is the most primary access method.
Which two tools are used to administer users for Active Directory?
Properties of a Transaction A transaction has four main properties. These are: Atomicity Consistency Isolation or Independence Durability or Permanen
The need for three level architecture The aim of the three level architecture is to divide each user's view of the database from the way the database is physically shown.
definition and its work
A full discription of the new, a discription of its components, and the bebefit it will provide a company. A disscussion of the information usedin the system. A disscussion of any
Show, with the help of an example, that relatively high-level transitions result when system or program is stimulated by the outside events. In diagram below, we can observe i
A relationship set is a set of relationships of the similar type. For example, let consider the relationship among two entities sets course and student. Collection of all the in
What are the three classes of SQL expression? SQL expression consists of three clauses: Select From Where
What is first normal form? The domain of attribute must contain only atomic (simple, indivisible) values.
coventions for displaying an ER schema as ER diagram
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