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What is authorization graph? Passing of authorization from single user to another can be shown by an authorization graph.
Creating a view: A query can be embedded within the CREATE VIEW STATEMENT A query can have complex select statements containing join, groups and sub- queries A quer
Define Sequence A sequence is a set of integers 1, 2, 3 that are generated in order on demand. Sequences are regularly used in databases because lots of applications require ev
Give the general form of SQL query? Select A1, A2............., An From R1, R2..............., Rm Where P
real life situations where database management system are most suitable
DDL Compiler The DDL compiler changes the data definition statements (such as CREATE TABLE .... in SQL) into a set of tables having metadata tables. These tables have infor
Design a gennalization and specialization hierarchy for an automobile sales company
Preliminary entities and attributes of human resourse management database management system
Describe an data dictionary? A data dictionary is a data structure which keeps meta data about the structure of the database ie. the schema of the database.
What is D command work in the respect of QBE? D: It is the command inside QBE to delete tuple(s) from the relation.
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