What do you mean by cdb and pdb in oracle 12c?

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What is an oracle transaction?

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How can return max date row A b c d e 1 2 1-mar-09 5 10 1 2 10-mar-09 5 10 Only using oracle predefined function. Not user defined. Output:-- A b c d e 1 2 10-mar-09 5 10

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what is candidate key & super key

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How do you ensure database security?

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two tables are there emp(eno,ename,sal,deptno),dept(deptno,dname).how form the query in deptno,ename,max(sal)

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How to start your 10g xe server from command line?

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What will be the syntax to find current date and time in format "yyyy-mm-dd"?

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Explain what are the different type of segments?

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How to invoke the data pump import utility?

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Hi can anyone tell me where are the dumps found of OCA certification.. Also the materials to be studied for the preparation.

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how the indexes are stored in the Oracle Database?

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