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Where does view definition stored?
A view definition is permanently stored as part of the database.
explain normalisation
Given the following relations Vehicle (Reg_no, make, colour) Person(eno, name, address) Owner(eno, reg_no) Write expressions in the relational algebra to answer the following
Describe the definition of a transaction in SQL Ans: The SQL transaction starts implicitly. Transactions are finished by either Commit work that commits the transaction and st
What are domain constraints? A domain is a set of values that might be assigned to an attribute .all values that appear in a column of a relation must be taken fro
Introductory course and so does not require any fancy coding. I will provide a guidance document to help you in producing the solutions.
What should be declared explicitly in the corresponding ABAP/4 Statements to access internal tables without header lines & why? Work Area. This is needed as the Work Area is
What is D command work in the respect of QBE? D: It is the command inside QBE to delete tuple(s) from the relation.
Ask q“A database will be made to store information about patients in a hospital. On arrival, each patient’s personal details (name, address, and telephone number) are recorded wher
Differentiate between a unique key and a primary key. - By default, clustered index on column are created by primary key while nonclustered index are created by unique key.
Define object-relational systems? Systems that give object-oriented extensions to relational systems are known as object-relational systems.
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