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why older data models are being replaced by new data models.
Explain three main attributes of data.
What are the various properties of Relational tables? Relational tables have 6 properties: 1. Each row is unique. 2. Column values are of the same kind. 3. Values are
In which form of relational database developer refers to a record? In a tuple form of relational database developer refers to a record.
Which database level is closest to the users? External database level is closest to the users.
What are the authentication modes in SQL Server? How can it be changed? Windows mode and Mixed Mode - SQL and Windows. To alter authentication mode in SQL Server click Start, P
What is the used of specifying alias? Specifying alias: is used to rename column or attribute in a table.
.#question. Discuss the problem which may arise during concurrency control and recovery in distributed database which are not encountered in controlized database environment.
Create Student DB and perform delete operation? STUDENT (name, student#, class, major) COURSE (course name, course#, credit hours, department) SECTION (section identifier, co
What are the function of DBA?
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