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30 lines
972 B
Plaintext
30 lines
972 B
Plaintext
USE tpch1;
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select cidx, CDATE, date_format(cdate, '%Y%m') x, PERIOD_DIFF(
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date_format(cdate, '%Y%m') ,'201105') y from datatypetestm order by cidx;
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cidx CDATE x y
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1 1997-01-01 199701 -172
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2 1997-01-01 199701 -172
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3 1997-01-02 199701 -172
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4 1997-01-03 199701 -172
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5 1997-01-04 199701 -172
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6 2009-12-28 200912 -17
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7 2009-12-29 200912 -17
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8 2009-12-30 200912 -17
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9 2009-12-31 200912 -17
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10 2009-12-31 200912 -17
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11 2009-12-31 200912 -17
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select cidx, CDATETIME, date_format(cdatetime, '%Y%m') x, PERIOD_DIFF(
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date_format(cdatetime, '%Y%m') ,'201105') y from datatypetestm order by cidx;
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cidx CDATETIME x y
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1 1997-01-01 00:00:00 199701 -172
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2 1997-01-01 00:00:01 199701 -172
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3 1997-01-02 00:00:01 199701 -172
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4 1997-01-03 00:00:02 199701 -172
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5 1997-01-04 00:00:03 199701 -172
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6 2009-12-31 23:59:56 200912 -17
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7 2009-12-31 23:59:57 200912 -17
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8 2009-12-31 23:59:58 200912 -17
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9 2009-12-31 23:59:59 200912 -17
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10 2009-12-31 23:59:59 200912 -17
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11 2009-12-31 23:59:59 200912 -17
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