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What is called query processing?
Query processing refers to the range of activities included in extracting data from a database.
Explain the Relational Completeness Codd described the term relational completeness to consider to a language that is complete with respect to first-order predicate calculus ex
Regional Gardens has many nurseries, including Wagga Wagga, Bathurst, Albury, Orange, and Dubbo. Each nursery is known by its campus code, eg WW, B, A, O and D respectively. Additi
give some example real-life situations where DBMS are most suiitabe
What are the authentication modes in SQL Server? How can it be changed? Windows mode and Mixed Mode - SQL and Windows. To alter authentication mode in SQL Server click Start, P
Which method of access uses key transformation? A Hash method of access uses key transformation.
What is Normalization? Database normalization is a data design and organization method applied to data structures based on rules that help building relational databases. In rel
what do you mean by primary key constraint?
ER diagram on cosmetics
ddlc
Illustrate the statement 'Projection operation distributes over the union operation'. Give an example. Ans: Π L (E 1 ∪ E 2 ) = (Π L (E 1 )) ∪ (Π L (E 2 )) This says th
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