Is rowid unique in oracle?
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Please help me how to write a Query to change the primary key constraint from 1 attribute to another attribute in a table
What is the purpose of save points in oracle database?
What happens to the current transaction if the session is ended?
What is the difference between postgresql and oracle?
How to get a list of all tables in the database?
Describe the different type of Integrity Constraints supported by ORACLE ?
What is a recycle bin in oracle?
What is flashback Query ? And Use ?
What is a cursor and what are the steps need to be taken?
does the query needs a hint to access a materialized view?
What is an oracle cursor variable?
Can a formula column referred to columns in higher group ?