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Event
Occurrence of a process is called event. In other words, the object can receive many input instructions. The changes which occur due to these instructions are known as events. For example, tossing a coin is input, but appearance of either HEAD or TAIL is an event.
Question: Describe briefly the three parts of the Relational Model. (a) The term integrity refers to the accuracy or correctness of the data in the database. Define the fol
Show a centralised schema to support the operation of the system you have chosen, including in particular: the product catalogue; the outlets and respective stocks; customer record
coventions for displaying an ER schema as ER diagram
Implementing software control To implement software control designer must redesign strategy of state event model which is present in dynamic model. There are three basic ap
Aggregate functions Some of these functions are min, count, max, and avg. These functions help in getting consolidated information from a set of tuples. Example:
When a function module is activated syntax checking is performed automatically. YEs, a function module is activated syntax checking.
What does data dictionary is a special file contains ? The data dictionary is a special file contain The name of all fields in all files.The width of all fields in all files an
State the meaning of Object Representation The term object representation means "to represent object with the help of objects model symbols". Implementing objects is too simp
How to create values of structured type? Constructor functions are used to make values of structured types. A function with the similar name as a structured type is a construct
i am not clear with the climetic condition of the north indian plain. can u plz explain it for me
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