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What are the two main goals of parallelism?
Load -balance multiple small accesses, so that the throughput of such accesses enhances. Parallelize large accesses so that the response time of large accesses is reduced
Explain different categories of failures that occur in Oracle database? Categories of Failures - In Oracle database subsequent types of failures can occurred: Statement Failu
What are called index-sequential files? The files that are ordered sequentially with a primary index on the search key are known as index-sequential files
Explain data abstraction? Data abstraction Data abstraction is a methodology in which enables us to isolate how a compound data object is utilized from the details of how it is
Define various ways in which SELECT statement can be used for record selection Technology? SELECT gives you control over a number of aspects for record retrieval: 1) Which
Replication : It is definite as a copy of a relation. Every replica is stored at a dissimilar site. The alternative to replication is to store only single copy of a relation which
What is DataWarehousing? Subject-oriented, meaning that the data in the database is organized so that all the data elements relating to the similar real-world event or object
What is nested relational model? The nested relational model is an extension of relational model in which domains might be either atomic or relation valued.
Soccer player ER Diagram to Relational database schema
The advantages of a database management system (DBMS) include :- Data integrity and elimination of duplication.
Explain hash file organization? Hash functions a) The distribution is uniform Hash functions assign each bucket the similar number of search -key values from the set of a
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