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Write the syntax of creating an INDEX ?
Syntax of Creating an Index: CREATE [BITMAP] [UNIQUE] INDEX ON ( [, ] . . .);
Explain P command in the respect of QBE? P: It is the command in which is used to print (logically display) the value of the attribute in whose cell it is writ
Explain the Natural join Natural join is a binary operator which is written as (R* S) in which R and S are relations. The effect of the natural join is the set of all combinati
Define Database layer? The database layer defines the data formats used in the database.
What is transaction? Transaction is a unit of program implementation that accesses and possibly updated several data items.
What is ICR? A. ICR (Intelligent Character Recognition) is a technology that gives scanning and imaging systems the ability to identify images of hand-printed or script charact
Explain the ANSI SPARC architecture The three-schema architecture is as well known as ANSI SPARC architecture. The aim of the three-schema architecture is to separate the user
Identify the need and use of data control through problem solving, illustration
Project Description: I would like to get a database of a website which has clients email name and phone number. If you are able to get information from a website, by entering
The Maximum no of key fields that can be used in a header is?? 50
what problems are raised by the database? why is it so controversial? why is data quality an issue?
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