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Vertica SQL statement used for time Computing

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Author: User
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SQL statement Query Result 
select (timestamp '2005-01-17 10:00' - timestamp '2005-01-01'); 
16 10:10
 
select (timestamp '2005-01-17 10:00' - timestamp '2005-01-01') / 7; 
2 08:17:08.571429
 
select (timestamp '2005-01-17 10:00' - timestamp '2005-01-01') day; 
16
 
select cast((timestamp '2005-01-17 10:00' - timestamp '2005-01-01') day as integer) / 7; 
2
 
select floor((timestamp '2005-01-17 10:00' - timestamp '2005-01-01') / interval '7'); 
2
 
select timestamptz '2009-05-29 15:21:00.456789';
 
2009-05-2915:21:00.456789-04
 
select timestamptz '2009-05-28';
 
2009-05-2800:00:00-04
 
select timestamptz '2009-05-29 15:21:00.456789'-timestamptz '2009-05-28';
 
1 15:21:00.456789
 
select (timestamptz '2009-05-29 15:21:00.456789'-timestamptz '2009-05-28');
 
1 15:21:00.456789
 
select (timestamptz '2009-05-29 15:21:00.456789'-timestamptz '2009-05-28')(3);
 
1 15:21:00.457
 
select (timestamptz '2009-05-29 15:21:00.456789'-timestamptz '2009-05-28')second;
 
141660.456789
 
select (timestamptz '2009-05-29 15:21:00.456789'-timestamptz '2009-05-28') year;
 
0
 
select (timestamptz '2009-05-29 15:21:00.456789'-timestamptz '2007-01-01') month;
 
28
 
select (timestamptz '2009-05-29 15:21:00.456789'-timestamptz '2007-01-01') year;
 
2
 
select (timestamptz '2009-05-29 15:21:00.456789'-timestamptz '2007-01-01') year to month;
 
2-4
 
select (timestamptz '2009-05-29 15:21:00.456789'-timestamptz '2009-05-28') second(3);
 
141660.457
 
select (timestamptz '2009-05-29 15:21:00.456789'-timestamptz '2009-05-28') minute(3);
 
2361
 
select (timestamptz '2009-05-29 15:21:00.456789'-timestamptz '2009-05-28') minute;
 
2361
 
select (timestamptz '2009-05-29 15:21:00.456789'-timestamptz '2009-05-28') minute to second(3);
 
2361:00.457
 
select (timestamptz '2009-05-29 15:21:00.456789'-timestamptz '2009-05-28') minute to second;
 
2361:00.456789

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Related Keywords:
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