Maximum how many triggers can we use in trigger and How to find out how many records it fetched.
How are multiple column = value pairs delimited in the SET clause of an UPDATE statement? 1. With commas (SET price = 0, status = 'I') 2. With parentheses (SET (price = 0) (status = 'I')) 3. With double-pipes (SET price = 0 || status = 'I') 4. With square-brackets (SET [price = 0] [status = 'I'] 5. With single or multiple spaces (SET price = 0 status = 'I')
What is rownum?
How delete all data from all tables in sql?
Define commit, rollback and savepoint?
Explain about various levels of constraint.
How does sql developer connect to oracle database?
What is thread join () in threading?
What is string join?
What does the hierarchical profiler does?
What is rank () in sql?
How does rowid help in running a query faster?
type type_name is table of varchar2(30) index by binary_integer for the above type you have to create a identifier... like identifier_name type_name; for the above type you can use the below methods..like first , last , prior, next , delege..etc...like this.. if you create a cursor...like cursor cursor_name is select * from scott.emp; is there any methods like above to use prior, fist , last , next , trim ,etc...
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