what is the scripts in data base?
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What is set operator oracle?
in account table account type amount ac1 credit 300 ac2 debit 5000 ac3 credit 3000 ac1 debit 4000 ac3 debit 2000 ac2 credit 4000 write a query how to get sum of credit & sum of debit
What is a subquery in oracle?
What exactly do quotation marks around the table name do?
What is Data Block ?
How does Oracle guarantee data integrity of data changes?
Explain a segment?
I have a table like this Table Name:Products Productid Price 1 10 1 10 2 20 3 30 3 30 But i want to output like this. productid price 2 20. please replay me.
I have query like this. select dept_id, max_mark from stude_dept where min_mark= (select min(mini_mark) from stud_dept); How can i optimize this query. Can anyone help me with it
Explain about integrity constraint?
What is a SNAPSHOT ?
How do I spool in oracle?