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Benefits and Limitations od Data Models?
List some instances of collection types? a) sets b) arrays c) multisets
Question: (a) One of the steps in the five-step problem-solving model is implementation. Implementation is considered a key step in the problem-solving model. A problem may be
What is the max. no. Of structures that can be included in a table or structure. Nine.
What is the full form of ODBC ? ODBC stands for Open Database Connectivity.
Describe Dynamic Model. The dynamic model specifies allowable sequences of changes to the objects from an object model. It contains event trace diagrams describing scenarios. A
Differance between DDL and SDL? DDL and SDL - The data definition language (DDL) is used through DBA and database designers to describe internal schema, conceptual schema, and
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what is natural join?
Define null values. In some cases a certain entity may not have an applicable value for an attribute or if we do not know the value of an attribute for a certain entity. In the
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