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What is the max. no. Of structures that can be included in a table or structure.
Nine.
What are audit trails? An audit trail is a log of all alters to the database along with information like which user performed the change and when the alter was performed.
What is recovery management component? Ensuring durability is the responsibility of a software component of the base system known as the recovery management component.
Give the limitations of SQL authorization. The code for checking authorization becomes intermixed with the rest of the application code. Implementing authorization by applic
(a) What is a Sub-Query? (b) What is the difference between a scalar sub-query and a tabular sub-query? (c) Write an equivalent SQL statement to get the Name of Product wh
To delete a particular column in a relation which command is used ? To delete a particular column in a relation ALTER command is used.
cardnality ratio for humanresource mangement system
Which is an advantage of view? The Advantages of view is Data security, Derived columns and Hiding of complex queries
The database files accept the actual data and are typically the biggest in size. Depending on their shape, the tables for all the user operation can go in one database file-but
1.Why we need data mining? Give an example to illustrate your answer. 2. Why data mining is considered as "misleading name"? 3. Distinguish the difference between database an
Chapter 10a review questions
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