| The DUAL table |
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| • | DUAL
is a virtual table |
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| • | Can
be used to call system functions and |
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| evaluate
expressions |
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| • | SELECT
USER, SYSDATE, 5*4+3 |
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| FROM
DUAL; |
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| USER SYSDATE 5*4+3 |
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| OPS$DANNY 25-OCT-02 23 |
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