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What is a data dictionary?
Data Dictionary is a main source of data in a data management system. Its major function is to carry the creation and management of data definitions. It has details about
Differance between DDL and SDL? DDL and SDL - The data definition language (DDL) is used through DBA and database designers to describe internal schema, conceptual schema, and
Discuss how the one-to-one associations have to be implemented. Some of properties of associations can be implemented directly by providing suitable declarations of the data me
These are the binary operations; i.e., each is applied to two relations or sets. These two relations can be union compatible excluding in case of Cartesian product. Two relations R
Define blocks? The database system resides eternally on non-volatile storage, and is into fixed-length storage units known as blocks.
What is Normalization? Database normalization is a data design and organization method applied to data structures based on rules that help building relational databases. In rel
For problems 1-4, give all candidate keys for the tables with FDs specified. Composite candidate keys must be put in parentheses, and candidate keys must be separated with commas
explain in details about one to one binary relationship
What are the Objectives of Advance object design After this unit, you shall be able to: combine three OOAD models to obtain operations on the classes; develop algo
Consider the following relational schema: PERSON (SS#, NAME, ADDRESS) CAR (REGISTRATION_NUMBER, YEAR, MODEL) ACCIDENT (DATE, DRIVER, CAR_REG_NO) OWNS (SS#, LICENSE) Constru
Advantages and disadvantages of icloud based storage
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