What is the sid in oracle?
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What is the difference between pre-select and pre-query?
What are the different types of record groups in oracle? Explain each of them
who is the father of oracle and send chodd rules
Where are the settings stored for each instance in oracle?
Provide an example of a shell script which logs into SQLPLUS as SYS, determines the current date, changes the date format to include minutes & seconds, issues a drop table command, displays the date again, and finally exits.
In oracle there is column command, how will you explain that?
The join defined by the default data link is an outer join yes or no ?
Is it possible to join two tables, that are in two different users (e.g. SCOTT and HR etc.),but im same database (e.g. ORCL)? If yes, then how it is possible? Explain with step by step procedure.
How to define an explicit cursor in oracle?
What is a cognitive schema?
What is the sid in oracle?
Explain the use of parfile option in exp command.