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The clause in SQL which specifies that the query result should be sorted in ascending or descending order based upon the values of one or much more columns is
Ans : Order by
The clause in SQL which specifies that the query result must be sorted in ascending or descending order based upon the values of one or much more columns is ORDER BY. (ORDER BY clause is utilized to arrange the result of the SELECT statement)
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_c
Consider a systems development project with the following data Activity Duration (weeks) Precedence Relationship 1. Software design
why we fregment at all?
Consider the following relational scheme: R (a,b,c,d,e,f) and its corresponding set of FDs {d→ a, be → c, ac → e, b → f, f → d, a → c}. a. Is the following decomposition i) non
The Incident table, with an auto-incrementing incident number, etc, looks like: incident_num reporter date time incide
Explain retrieval in QBE? Retrieval in QBE : A "GUI" for expressing queries. Based on the Domain Relational Calculus (DRC) Actually invented before GUIs. Very co
What is a cascading update? Referential integrity constraints needs that foreign key values in one table correspond to primary key values in another. If the value of the primar
how to find entities
What are the advantages of object oriented databases in comparison with others? Why it is still not widely used? Object oriented designs are coherent, efficient and less prone
What is data independence? Data Independence: Techniques which permit data to be changed without affecting the applications in which procedure it. There are two types of data
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