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Which data manipulation command combines the records from one or more tables ? JOIN data manipulation command combines the records from one or more tables.
what is binary relationship
What does conceptual design work? A conceptual design involves modelling independent of the DBMS.
What are the two types of errors? The two types of errors are: a) Logical error b) System error
Security And Integrity After Reading the concepts of database recovery in the last section, let us now deal with a vital concept that helps in minimizing consistency errors in
Why DML is used for? DML is used to Manipulation and processing of database. DML is provided for manipulation & processing of database. (Data stored in the database is processed
What is called query processing? Query processing refers to the range of activities included in extracting data from a database.
East Coast Aquarium Relational Database
What is meant by object-oriented data model? The object-oriented paradigm is based on encapsulation of data and code related to an object in to a one unit, whose contents are n
Example -GRANT CREATE SESSION TO MCA12; (This command gives system level permission on creating a session - not portable) GRANT SELECT ON EMP TO MCA12; (Object level permi
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