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Why do you go for sorting your query results?
SQL SELECT command to fetch data from MySQL table. Whenever you select rows, the MySQL server is free to return them in any order unless you instruct it or else by stating how to sort the result. However you sort a result set by adding
An ORDER BY section that names column or columns you want to sort by.
define locking in simple language and decribed it
An important first step to the statistical analysis of data is to "get to know your data". The following tasks should contribute to this. (a) To the right of the dataset cons
Explain Recursive relationship type? Recursive relationship type: A recursive relationship is one in that the similar entity participates more than once in the relationship
What is the difference between a HAVING CLAUSE and a WHERE CLAUSE? HAVING CLAUSE - HAVING CLAUSE is used only with SELECT statement. - It is normally used in a GROUP BY
Mention the several levels in security measures. A) Database system B) Operating system C) Network D) Physical Human
Increased parallelism : Since the replicated date has several copies a query can be distributed or can be answered from the smallest loaded site. Also, with more replicas you have
Describe different steps of the object-oriented design process. The broad steps of the object-oriented design process are: a. Define context and modes of use of the system
Type of views : Simple views and Difficult Views Feature Simple Views Complex Views Number of tables One
Define an abstraction by which relationships are treated as higher level entities Ans: Aggregation. It is an abstraction by which relationships are treated as higher level
Differentiate between logical database design and physical database design. Show how this separation leads to data independence? Basis Logical Databas
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