What is recovery manager(rman) backup in Oracle?
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Why cursor variables are easier to use than cursors?
Explain the use of record length option in exp command.
why dont we assign not null constraint as table level constraint.
which is the best training centre for learning oracle?
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.
What are group functions in oracle?
Using the relations and the rules set out in the notes under each relation, write table create statements for the relations EMPLOYEE, FIRE and DESPATCH. You should aim to provide each constraint with a formal name, for example table_column_pk.
when do u go for hash partitioning?
What is the difference between view and materialized view in Oracle?
what are the database links ?
Explain oracle instance.
Can you assign multiple query result rows to a variable?