Oracle Interview Questions & Answers

Below we have listed all the Oracle Interview Questions and answers. Feel free to comment on any Oracle Interview Questions or answer by the comment feature available on the page.

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Oracle Corporation (Oracle) is an enterprise software company. The Company develops, manufactures, markets, distributes and services database and middleware software, as well as applications software that help organizations to manage their businesses.

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	Question	Rating	View Answer
	What are Drawback of cursor?		View Answer
	How many codds rule should oracle satisfies		View Answer
	What is a dirty buffer?		View Answer
	What is function overloading?an example of function overloading in oracle?		View Answer
	what is place holder column? where we can use other than formula column?		View Answer
	The initialization parameter file has LOG_CHECKPOINT_INTERVAL = 60; What does this mean?		View Answer
	what are phantom rows?		View Answer
	Explaint the nvl2 function		View Answer
	How many control files are required to create a database?		View Answer
	What is the difference between object library and pl/sql library		View Answer
	A table is created with an INITRANS value of 2. Which value would you choose for INITRANS of an index created on this table?		View Answer
	What is the difference between groupby and orderby?		View Answer
	What is a basic difference between having and where clause?		View Answer
	What is the prefix for dynamic performance views?		View Answer
	When you issue the command ALTER SYSTEM ENABLE RESTRICTED SESSION, what happens to the users who are connected to the database?		View Answer
	Which parameter specified in the DEFAULT STORAGE clause of CREATE TABLESPACE cannot be altered after creating the tablespace?		View Answer
	What packages are associated with the LogMiner utility?		View Answer
	If you have two redo log groups with four members each, how many disks does Oracle recommend to keep the redo log files?		View Answer
	What is the maximum number of database writer processes allowed in an Oracle instance?		View Answer
	What are the valid status codes in the V$LOGFILE view?		View Answer

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