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What are called multilevel indices?
Indices with two or more levels are known as multilevel indices.
Define Partial Key and Primary Key A partial key, also known as discriminator, is the set of attributes which can uniquely identify weak entities that are related to similar o
why shadow copy technique is used?
a brief definition
Define value set? Value set: It is a set of values. You do not always need a user to enter junk free text within all the fields. Therefore, Oracle Apps uses value set to valida
Mention the several levels in security measures. A) Database system B) Operating system C) Network D) Physical Human
The physical location of a record is determined by which mathematical formula that transforms a file key into a record location? The physical location of a record is determined
Benefits of heap files 1. This is a easy file Organisation method. 2. Insertion is somehow capable. 3. Good for bulk-loading data into a table. 4. Best if file
The following variant of the primary copy asynchronous-update replication protocol has been proposed for totally replicated systems. (a) A transaction executing at site A updat
complete assignment on the above title.
Vertical Fragmentation- Vertical fragmentation groups together only those attributes in a relation that are used jointly by various important transactions. A vertical fragment is d
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