How to delete a column in an existing table?
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What is Database Trigger ?
If youre unsure in which script a sys or system-owned object is created, but you know its in a script from a specific directory, what UNIX command from that directory structure can you run to find your answer?
Can we save images in a database and if yes, how?
can anyody please send me the dump for Oracle 10g certifications for DBA path?
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