Last Friday of each month: Difference between revisions
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=={{header|SQL}}== |
=={{header|SQL}}== |
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<lang SQL> |
<lang SQL> |
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select |
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to_char( max( trunc( to_date ( :yr, 'yyyy' ), 'yyyy' ) + level - 1 ), |
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'yyyy-mm-dd Dy' ) lastfriday |
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from dual |
from dual |
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where |
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| ⚫ | |||
to_char ( trunc( to_date ( :yr, 'yyyy' ), 'yyyy' ) + level - 1, 'Dy' ) = 'Fri' |
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connect by level < trunc( to_date ( :yr + 1 , 'yyyy' ), 'yyyy') |
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| ⚫ | |||
group by to_char( trunc( to_date ( :yr, 'yyyy' ), 'yyyy' ) + level - 1, 'yyyymm' ) |
group by to_char( trunc( to_date ( :yr, 'yyyy' ), 'yyyy' ) + level - 1, 'yyyymm' ) |
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order by 1 |
order by 1 |
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</lang> |
</lang> |
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<pre> |
<pre> |
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LASTFRIDAY |
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TO_CHAR(MAX(TRUNC(TO_DA |
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----------------------- |
----------------------- |
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2012-01-27 Fri |
2012-01-27 Fri |
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2012-11-30 Fri |
2012-11-30 Fri |
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2012-12-28 Fri |
2012-12-28 Fri |
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12 rows selected. |
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</pre> |
</pre> |
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