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What is use of generating such tables? How can you create temporary tables?
When you require a table only for a short time after that you want it to disappear automatically you can go to generate a temporary table. This is extremely useful behaviour as you needn't remember to eliminate the table
Temporary tables can be created using the keyword CREATETEMPORARY TABLE
List and explain the memory constructs of the Oracle 12c databases?
How to use Oracle
Difference between Operating System and Database Security Security within the operating system can be executed at various levels ranging from passwords for access to system, t
limitations and benefits in database tecknowlagy
Databases and data warehouses both are databases and both contains number of rows and columns of tables containing data. Data warehouse is really different from databases because d
why we fregment at all?
Define upgrade and downgrade? It gives a mechanism for conversion from shared lock to exclusive lock is called as upgrade. It gives a mechanism for conversion from exclusive
What is first normal form? The domain of attribute must contain only atomic (simple, indivisible) values.
What is an object ID? Each class-derived table has an ID for primary key, one or more object IDs form primary key for association derived tables. An object ID is equivalent dat
Some disadvantages of File Oriented System ?
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