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) Define a job scheduling strategy that will meet business requirement of reporting availability by 6am CST for the following cubes? Show the job scheduling dependencies in a picto
why are older data models are being replaced by new data models
What are the DBMS languages? Briefly explain? Data Definition language (DDL):A database schema is specified through a set of definitions expressed through a special language
Define outer union operation of the relational algebra. Compute the outer union for the relations R and S given below. Outer Join - If there are any values in one tabl
In an E-R diagram how attributes are represented ? In an E-R diagram attributes are represented in a ellipse.
What is the use of Union and intersection operation? Union: The result of this operation contains all tuples that are either in r1 or in r2 or in both r1 and r2.Duplicate tuple
With the help of a suitable diagram gives module wise explanation of system architecture of DBMS.on..
What is system catalog or catalog relation? How is better known as? A RDBMS maintains a explanation of all the data that it contains, information about every relation and index
How many types of Views are there? There are Four types of views:- Database View Help View Projection View Maintenance View
Types of Data fragmentation
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