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Chapter 10a review questions
imagery
what are the topics in data management
A full discription of the new, a discription of its components, and the bebefit it will provide a company. A disscussion of the information usedin the system. A disscussion of any
Consider the relations EMP(ENO,ENAME,AGE,BASIC_SALARY) WORK_IN(ENO,DNO) DEPT(DNO,DNAME,CITY) Express the following queries in SQL (i) Find names of employees who work in a dep
a set of possible data value of an attribute is called??
The Maximum no of key fields that can be used in a header is?? 50
What is a recovery scheme? An integral part of a database system is a recovery scheme that can restore the database to the reliable state that existed before the failure.
In an E-R diagram how attributes are represented ? In an E-R diagram attributes are represented in a ellipse.
In which relational modes, cardinality is termed? Answer : Cardinality is termed in a number of tuples relational modes.
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