How to create a table index in oracle?
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What is data file?
Whether any commands are used for months calculation? If so, what are they?
What do you mean by merge in oracle?
3. Adapt your query in (2) above so that only post codes with more than twenty orders are displayed.
How does one get the view definition of fixed views/tables?
How to define a sub function?
Explain the use of indexes option in imp command.
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 pass a cursor variable to a procedure?
what is null value?
How to use values from other tables in update statements using oracle?
What is RULE-based approach to optimization ?