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Differentiate between a subquery and a join
If we need to acquire information from one or more tables after that either subquery or join can be used. If the columns which are to appear in the result table are from different tables after that a join must be employed.
Mention the purpose of SID and SOD lines SID (Serial input data line): It is an input line by which the microprocessor accepts serial data. SOD (Serial output data line)
i need to implememnt a treee based mining algorithm. do you have an expert that can do that?
State The position of object at any moment is called state. An object can have many states depend upon time. After receiving some input instructions, the object can change its
Lost Updates : Suppose the two transactions T3 and T4 run simultaneously and they happen to be interleaved in the following way (suppose the initial value of X as 10000):
When It is better to use files than a DBMS? It is better to use files than a DBMS when Multiple users wish to access the data.
Given the subsequent relations: vehicle (reg_no, make, colour) Person (eno, name, address) Owner (eno, reg_no) Write expressions
what is attribute is attribute inheritance in dbms?
What does conceptual design work? A conceptual design involves modelling independent of the DBMS.
What is nested relational model? The nested relational model is an extension of relational model in which domains might be either atomic or relation valued.
What is the difference between SQL Server 2000 complete and differential backups? A complete backup makes a copy of the whole database. A differential backup creates a copy of
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