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Write a program within embedded SQL to associative the total trip expenses of the salesman named ‘John' for the relations.
EXEC SQL BEGIN DECLARE SECTION; long total_expenses; EXEC SQL END DECLARE SECTION; EXEC SQL SELECT SUM(AMOUNT) INTO :total_expenses FROM EXPENSE WHERE TRIPIDIN (SELECT TRIP_ID FROM TRIP WHERE SSN = (SELECT SSN FROM SALEPERSON WHERE NAME = ‘John')); printf("\nThe total trip expenses of the salesman John is: %ld", total_expenses);
What is Normalization? Database normalization is a data design and organization method applied to data structures based on rules that help building relational databases. In rel
a method named WonGame that checks each letter in the word is matched by its label
How to use Oracle
What are the properties of transaction? There are three properties of transactions :- A) Atomicity B) Consistency C) Isolation
Type of database technology
Differentiate between the object oriented decomposition and the structured decomposition? Process-oriented (structural) decomposition divides a complex process, function or tas
Creating views with Replace option : This option is used to alter the definition of the view without recreating and dropping it or regranting object privileges previously granted o
What is meant by heuristic optimisation?Discuss the major heuristics that are applied during query optimisation.
DROP TABLE Command: When an existing object is not needed for further use, it is always better to eliminate it from the database. To remove the existing object from the databas
employee(empid,empname,dept,telno,mobno, add,sssno,tinno,WEdates,WEcomp,WEadd,WEpos,WEres) this is a employee record which is need to be normalize.the WE means work experience
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