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Which database level is closest to the users?
External database level is closest to the users.
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
Design an algorithm to implement operations Each and every operation specified in the functional model could be formulated as an algorithm. The algorithm indicates how operat
Creation of Indexes Automatically: When a primary key or Unique constraint is show in a table definition then a unique index is formed automatically. Manually: User can
Explain Authorization and Integrity Manager ? Authorization and Integrity Manager: Tests for the satisfaction of integrity constraints and checks the authority of users to acce
Waterfall model is the linear model. The process is completed by step by step. We couldn't stop in between of the process. Prototype model: after get the model by low cost budget o
How many levels can be viewed in Architecture of the database ? Architecture of the database can be viewed as three levels.
What is OCR? OCR (Optical Character Recognition) is a technology that enables you to change different types of machine-readable documents, like scanned paper documents, PDF fil
I have a small project that contains 3 deliverable s. I have done the first one and I would like you to help me with second one
what is un ordered and ordered file managment?
What is a primary key? Primary key is chosen by the database designer as the principal means of identifying an entity in the entity set.
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