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#question. acompani datdbase needs to store information about employees (identified by a social security number,with salary and phone as attributes) and departments (identified by
Describe Database state in details? Database state: The actual data within the database at a particular moment in time is known as a database state.
What is the difference among a database schema and a database state? The collection of information stored in database at particular moment in time is known as database state a
Have database built but having problems with some questions that go with the database
define locking in simple language and decribed it
What is Enterprise Resource Planning (ERP), and what kind of a database is used in an ERP application? Enterprise Resource Planning (ERP) is an information system used in manuf
want a idea for final year project
what is Storage-Device Hierarchy question
Mention the type of constraints we can specify in the CREATE command of DDL. The type of constraints that can be specified are as follows:- PRIMARY KEY, NOT NULL, UNIQUE, FOR
UNION If R1 and R2 are two union compatible relations then R3 = R1 ∪ R2 is the relation having tuples that are either in R1 or in R2 or in both. In case, R3 will have tuples
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