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Computer Interview Questions Answers

Oracle Interview Questions Answers

Question - 251 : - What are the system resources that can be controlled through Profile ?

Answer - 251 : - The number of concurrent sessions the user can establish the CPU processing time available to the user's session the CPU processing time available to a single call to ORACLE made by a SQL statement the amount of logical I/O available to the user's session the amout of logical I/O available to a single call to ORACLE made by a SQL statement the allowed amount of idle time for the user's session the allowed amount of connect time for the user's session.

Question - 252 : - What is a Database instance ? Explain

Answer - 252 : - A database instance (Server) is a set of memory structure and background processes that access a set of database files. The process can be shared by all users. The memory structure that are used to store most queried data from database. This helps up to improve database performance by decreasing the amount of I/O performed against data file.

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