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List the set operations of SQL?
1) Union
2) Intersect operation
3) The except operation
what is query processing?
What is a B+-Tree index? A B+-Tree index takes the form of a balanced tree in which each path from the root of the root of the root of the tree to a leaf of the tree is of the
FDs in Entities : Student entity : Enrolment number → Student name, Address Course Entity :
Why Like predicate used for? LIKE predicate: The LIKE predicate searches for strings in which have a certain pattern.
losers with new information systems
sql is relationally complete-justify
Explain five duties of Database Administrator? 1. DBA administers the three stages of the database and, in consultation along with the whole user community, sets up an defin
properties of derirable decomposition
What is a recursive relationship? Give an example not used in the text. A recursive relationship is a relationship among an entity and itself. For example, given the entity PER
What is SQL Server Agent? SQL Server agent plays a significant role in the day-to-day tasks of a database administrator (DBA). It is often overlooked as one of the major tools
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