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Define- relational algebra.
The relational algebra is a procedural query language. It having of a set of operations that take one or two relation as input and make a new relation as output.
what is the relationship between receipt and owner entities in computer sales and service company
why data in an RDMS need to be normalised
#questiononsider the following relation: CAR_SALE =(CAR_ID,oPTION_TYPE, Option_listpreice, Sale_date, Option_discountedprice)..
CAR SALE (Car_id, Option_type, Option_listprice, Sale_date, Option_discountedprice) This relation refers to options installed in cars (e.g., cruise control) that were sold at a de
Identify the need and use of data control through problem solving, illustration
Describe the advantage of State chart Diagram A state chart represents a state machine, emphasizing flow of control from one state to other. A state machine is a behaviour whi
WHAT IS MEANT BY E-R MODEL
i need help for assignment ..
triggering
Hierarchical model is also known by? A hierarchical model is also known as a Tree structure.
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