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What disadvantage of ODBC does OLE DB overcome?
By breaking the features and the methods of a DBMS into COM objects, OLE DB characteristic overcomes a main disadvantage of ODBC. With ODBC, a vendor must make an ODBC driver for almost all DBMS features and functions in order to participate in ODBC at all. This is a huge task that needs a substantial initial investment. With OLE DB, though, a DBMS vendor can implement portions of their product.
What is the function of a Domain? A domain defines the technical settings of a table field. A domain describes a value range, which sets the permissible data values for the
Which is a legal expression in SQL? SELECT NAME FROM EMPLOYEE is a legal expression in SQL.
HOW MANY TYPES OF VIEWS
Rearrange the Execution Order for Efficiency Rearranging execution order for efficiency means executing such job that requires less execution time. By rearranging the object
Explain in details about the f unctions of DBA ?
What are composite attributes? Composite attributes can be separated in to sub parts.
#what is cursor its uses ? Explain it
Where does view definition stored? A view definition is permanently stored as part of the database.
What is Specialization? Specialization: Specialization permits you to describe new types of information (new structural types or latest domains of information), although reusin
Data Independence This brings us to our next topic: data independence. It is the property of the database which tries to make sure that if we make any change in any level of sc
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