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er diagram of sport
What are the difference between clustered and a non-clustered index? A clustered index is a special type of index that reorders the way records in the table are physically stor
multiplicity constarin
State The position of object at any moment is called state. An object can have many states depend upon time. After receiving some input instructions, the object can change its
What is system catalog or catalog relation? How is better known as? A RDBMS maintains a explanation of all the data that it contains, information about every relation and index
Deadlock And Its Prevention: As seen earlier, though two phase locking protocol handles the trouble of serialisability, but it causes some troubles also. For instance, consider th
How is the database organised in Oracle? Database organized within Oracle in terms of table and table holds attributes and values. A database consists of one or more logical
Do NOT use the timestamp type. Use separate date and time data types only. Figure out how to define an SQL insert statement that uses built-in SQL (or MySQL) functions to define
What is meant by the degree of relationship set? The degree of relationship type is the number of participating entity types.
Describe Parameteric end users? Parametric end users might be given update access, but are commonly not permitted to change the structure of data.
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