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A field-groups statement or an insert statement reverses storage space and transfers values.
False.
To delete a particular column in a relation which command is used ? To delete a particular column in a relation ALTER command is used.
What is NULL? Simply NULL means not in value.
What is DBMS and what are functions of DBMS? DBMS consist of collection of integrated data and set of program to admission those data. The functions performed by a typical
Explain Alternate key? Alternate Key - All the candidate keys except primary key are known as alternate keys.
Implementation of association as an object Implement as a separate association object, independent of either class, as in Figure. An association object is a group of pairs
Accessing information about permissions to all users- Object level permissions: With the use of data dictionary you can see the permissions to user. Let us get the table name fro
Gaps in sequence values can happen when: - A rollback happens that is when a statement changes are not accepted. - When the system crashes - When a sequence i
(a) Data warehouse can be defined as "a subject-oriented, integrated, time-variant, non-volatile collection of data" in support of management's decision making process. Explain ea
State the meaning of Object Representation The term object representation means "to represent object with the help of objects model symbols". Implementing objects is too simp
WHAT IS DATABASE TECHNOLOGIES
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