Explain what are clusters?
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What is the difference between online and offline backups?
What is a Garbage Collection? and what is full recursive Garbage collection?
Can a field be used in a report without it appearing in any data group ?
What is the difference between an Oracle Schema and an Oracle Instance?
What is the data pump export utility?
What are named parameters?
How to load data from external tables to regular tables?
Is it possible to set second Primary Key Constraint in a table in Oracle Database ?
Can group functions be mixed with non-group selection fields?
how many outer joins are used in a single sql query? is there any limitations for using of outer joins?
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We need to compare two successive records of a table based on a field. For example, if the table is CUSTOMER, and the filed is Account_ID, To compare Account_IDs of record1 and record2 of CUSTOMER table, what can be the query ?
how can we store any pdf file in oracle