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Package classes and associations into models Programs are made of separate physical units which could be edited, imported, complied or otherwise manipulated. The careful part
What are the basic objects of the data dictionary? Tables Domains Data elements Structures Foreign Keys
To eliminate duplicate rows (distinct operator) Example: SELECT DISTINCT DEPTNO FROM EMP;
When are they useful? Justify with an example. The temporary tables are commonly used to support specialized rollups or exact application processing needs. Unlike a permanent t
Chapter 10a review questions
What is called a query evaluation plan? A sequence of primitive operations that can be used to assess a query is a query evaluation plan or a query implementation plan.
to develop elrctronic database from manual forms
entity relationship diagram about finance
While using extract datasets it is required to have a special workarea for interface False. It is not required to have a special workarea for interface
The physical location of a record is determined by which mathematical formula that transforms a file key into a record location? The physical location of a record is determined
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