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what is un ordered and ordered file managment?
explain in detail about crash recovery
Hierarchical model is also known by? A hierarchical model is also known as a Tree structure.
what is check point in database management system
Define the terms 1) physical schema 2) logical schema. Physical schema: The physical schema explains the database design at the physical level, which is the lowest lev
What is Nested Queries explain in details? Nested Queries - A SELECT query could have subquery(s) in it. While a SELECT query having another SELECT query in it, is known as n
What is the use of a slotted-page structure and what is the information are there in the header? The slotted-page structure is used for organizing records within a one block.
explain five responsibilities of DBA?
Write short notes on relational model The relational model uses a collection of tables to show both data and the relationships between those data. The relational mo
construct a b-tree for the following set of key values 2,3,5,7,11,17,19,23,29,31.assume that the tree is initial empty and the values are added in ascending order
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