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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
What is persistency? Persistency ensures which data is stored and that after the object is no longer available (program stops running) the data will be available to other users
State the Object Design for Processing The object design phase comes after analysis and system design phase. The object design phase includes implementation details like as i
How is Oracle used in PL/SQL? Define the features of process and how they are defined? PL/SQL - PL/SQL is Oracle's procedural language (PL) superset of the Structured
What is deadlock? Neither of the transaction can ever proceed with its normal implementation. This situation is known as deadlock.
find the name of supplier who supply some red part
What is a homogeneous distributed database? In homogeneous distributed databases, all sites have the same database management system software, are aware of one another, and agr
Explain the conventions for displaying an ER schema as an ER diagram? An E-R Diagram scheme might describe certain constraints to that the contents of a database must conform.
Derived horizontal fragmentation: Some applications may include a join of two or more relations. If the relations are stored at dissimilar locations, there may be a major overhead
what do you mean by primary key constraint?
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