Is a rollback possible to any savepoint?
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Please explain me all types of Data models. Also give me the details if each model can have other name.for example:schematic data model is also known as conceptual data model and entity relation data model.
Can a formula column referred to columns in higher group ?
What is the difference between pre-select and pre-query?
How many types of tables supported by oracle?
How to join two tables in a single query using oracle?
How translate command is different from replace?
How to fetch the row which has the max value for a column?
What is tns name?
How to start instance with a minimal initialization parameter file?
Are truncate and delete commands same? If so why?
How to save query output to a local file?
what is the use of ondelete cascade?