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what is cascading? what is rollback cascading? please explain in detail
Example: RELATIONAL SCHEMA for PERSON: PERSON (PERSON_ID: integer, NAME: string, AGE: integer, ADDRESS: String) RELATION INSTANCE In this instance, m = 3 and n = 4
Redo Logs: Any database must have minimum two redo logs. These are the rules for the database; the redo logs record all modifies to the system objects or user objects. If any type
State the Steps of Object Design Object design is a very iterative process in which various classes, relationships among objects are added when you move from one level to
For the question given below, you are required to submit design and implementation documentation as described over the page. Design, implement (in Java), test and document a set of
Discuss the mechanism to read data from and write to a disk? Disk read/write heads are mechanisms in which read data from or write data to disk drives. The heads have gone by
Explain the conventions (relationships) for displaying an ER schema as an ER diagram.
Determine the Persistent object Persistent object can be stored in one of the following: Files Cheap, permanent, simple storage Low level (Write, Read) Ap
Implementation of association as an object Implement as a separate association object, independent of either class, as in Figure. An association object is a group of pairs
what do you mean by consistency in rdbms?
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