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Consider employee table of (i) and list names of department(s) for which average salary for department is more than 10,000.
(SELECT d_name FROM dept WHERE d_code IN (SELECT d_codeFROM emp GROUP BY d_code HAVING AVG(sal) ? 10000);
Examine about the Behavioural Diagrams The main objective of behavioural diagrams is to visualize, specify, construct and document dynamic aspects of a system. The interactio
What is association? Give an example of association Association is used for establishing relationships among classes. Association describe links among/between classes. For exa
This project will involve designing and creating a database for an organization. In the design of a database, there is no single "perfect" design. So your database design may not
Importance Of File Organisation In Database To execute a database efficiently, there are various design tradeoffs needed. One of the most vital ones is the file Organisation. F
Describe the various types of Online Analytical Processing (OLAP) tools and briefly discuss how the support common analytical operations.
A customer places orders for parts and belongs to a particular industry group. An individual order is taken by a particular sales representative on a specific date and the sales re
1. Which model is used to store data in tree structures Ans: Hierarchical model is used to store data in tree structures
Which is a valid SQL type? A valid SQL Should be in CHARACTER it is should be NUMERIC and FLOAT.
DISADVANTAGES OF RDBMS
In a Hierarchical model of data records are organized ? In the hierarchical model of data records are organized as Tree structure.
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