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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 other level of design.
Relations create the database. They must satisfy various properties, like no duplicate tuples, no ordering of tuples, and atomic attributes, etc. Relations that satisfy these basic
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File Organisation And Its Types Just as arrays, trees, lists and other data structures are used to execute data Organisation in main memory, a number of planning's are used to
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What is an entity relationship model? The entity relationship model is a collection of basic objects known as entities and relationship between those objects. An
Ask question #Minim 100 words accepted#what is recovery management component in database management system and how it is useful
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
#explain five disadvantages of a dbms..
Hot Backup: Some sites cannot terminate the database while creating a backup copy of the files. The cold backup is not a reliable option. So different kinds of backing up database
what is definition hierarchical data model
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