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a brief definition
Explain the Deferred Update The deferred update methods do not physically update the database on disk till after a transaction reaches its commit point; after that the updates
Write the motivations led to development of OO-DBMS? 1. Programmer frustration with RDBMSs. 2. Requirement for special features.
What is Derived and stored Attribute? Derived and Stored Attribute - In a few cases, two or more attribute values are associated, for example, Age and BirthDate attributes of a
What is the aim of object design The aim of object design is to identify object which the system contains and the interactions among them. The system implements specification
Saving Derived Attributes to Avoid Re-computation Data that is derived from other data should be stored in the computed form to avoid re-computation. For this, we could define
DISADVANTAGES OF RDBMS
3 assignments combined in 1
joins
What is B-Tree? A B-tree eliminates the redundant storage of search-key values .It permits search key values to appear only once.
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