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What are three components of the schema architecture proposed by ANSI/SPARC? The three component schema architecture proposed by ANSI/SPARC is as given below: External sche
Define page. The database is partitioned into some number of fixed-length blocks, which are referred to as pages.
what is meant semantic query optimization? how does it differ from other query optimization techniques?
Explain Alternate key? Alternate Key - All the candidate keys except primary key are known as alternate keys.
CAN SOMEONE HELP ME WITH ENTITY DIAGRAMS IN FIRST NORMAL FORM?
What are temporary tables? Temporary tables exist solely for a particular session or whose data persists for the duration of the transaction.
What is meant by data-transfer rate? The data-transfer rate is the rate at which data can be retrieved from or kept to the disk.
What is a state chart diagram? State diagrams (State Chart Diagram) explain all possible states that a particular object can get into, and how object's state changes as result
Explain the differences between structured data and unstructured data. Structured data are facts concerning objects and events. The most significant structured data are numeric
Which of the operations constitute a basic set of operations for manipulating relational data? Relational algebra operations constitute a basic set of operations for manipulati
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