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What is Object Oriented model?
This model is based on collection of objects. An object has values stored in instance variables with in the object. An object also having bodies of code that operates on the object. These bodies of code are known methods. Objects that contain same types of values and the similar methods are grouped together into classes.
Design a gennalization and specialization hierarchy for an automobile sales company
What are the three classes of SQL expression? SQL expression consists of three clauses: Select From Where
4. Describe three ways to handle missing field values
Heap files (unordered file) Mostly these files are unordered files. It is the easiest and most basic type. These files having of randomly ordered records. The records will have
Distributed And Client Server Databases Introduction This unit tells the distributed database systems which are primarily relational and one important execution model: the
What are temporary tables? Temporary tables exist solely for a particular session or whose data persists for the duration of the transaction.
Query Processor The query language processor is responsible for taking query language statements or shifting them from the English-like syntax of the query language to a form
While sorting, if the main storage available is not enough, the system writes data to an external help file. The SAP profile parameter, which determines DIR_SORTTMP
wh
Data slice explanation
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