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What is called query processing?
Query processing refers to the range of activities included in extracting data from a database.
You are working for the ABC Telecom and are given some customer records for data mining. You are asked to discover, from the data, patterns that characterize low-, medium- and high
how to design a bakery business in data base
Creation of Indexes Automatically: When a primary key or Unique constraint is show in a table definition then a unique index is formed automatically. Manually: User can
What is a primary key? Primary key is chosen by the database designer as the principal means of identifying an entity in the entity set.
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 relati
what is cascading? what is rollback cascading? please explain in detail
Explain TPS concurreny executions stating their advantages in online business advancement
What is a security? Securities are claims on financial assets. They can be illustrated as "claim checks" which give their owners the right to receive funds in the future. Sec
write a database program for concurrency transaction in a bank
Explain the conventions (relationships) for displaying an ER schema as an ER diagram.
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