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List the set operations of SQL?
1) Union
2) Intersect operation
3) The except operation
The File Based System File based systems are an early attempt to computerise the manual filing system. For example, a manual file can be set up to hold all the correspondence r
Which language has presently become the defacto standard for interfacing application programs along with relational database system? The language which has recently become the
Research Value: 7% Due Date: 17-Sep-2018 Return Date: 11-Oct-2018 Length: 700 words Submission method options: Alternative submission method Task back to top You are required to
Hierarchical model is also known by? A hierarchical model is also known as a Tree structure.
Determine Which is not a consequence of concurrent operations? Ans: Update anomaly.
wh
The Locking Protocol: To manage concurrency related problems we use locking. A lock is mainly a variable that is associated with a data item in the database. A lock can be located
What are the properties in a relation ? In a relation Ordering of rows is immaterial and No two rows are identical.
What is a transaction ? The Transaction is a unit of data processing. For instance, many of the transactions at a bank may be withdrawal or deposit of money; transfer of money f
A practice called Perfect Pets provides private health care for domestic pets throughout America. This service is provided through various clinics located in the main cities of Ame
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