Difference between revisions of "+ INTERVAL"

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<caption>Compatibility</caption>
 
<caption>Compatibility</caption>
 
<tr><th colspan='3'>d+ INTERVAL i DAY</th></tr>
 
<tr><th colspan='3'>d+ INTERVAL i DAY</th></tr>
<tr><td align='center'>Engine</td><td align='center'>OK</td><td align='center'>Alternative</td></tr>
+
<tr><td align='center'>'''Engine'''</td><td align='center'>'''OK'''</td><td align='center'>'''Alternative'''</td></tr>
 
<tr><td align='left'>mysql</td><td>Yes</td><td>[[d+ i]]</td></tr>
 
<tr><td align='left'>mysql</td><td>Yes</td><td>[[d+ i]]</td></tr>
 
<tr><td align='left'>oracle</td><td>No</td><td>[[d+ i]]</td></tr>
 
<tr><td align='left'>oracle</td><td>No</td><td>[[d+ i]]</td></tr>

Revision as of 09:38, 13 July 2012

+ INTERVAL

Compatibility
d+ INTERVAL i DAY
EngineOKAlternative
mysqlYesd+ i
oracleNod+ i
postgresNod+ i
sqlserverNod+ i

d + INTERVAL i DAY returns the date i days after the date d.

You can also add YEAR, MONTH, DAY, HOUR, MINUTE, SECOND

You can also add a negative value.

 DATE '2006-05-20' + INTERVAL 5 DAY   -> DATE '2006-05-25' 
 DATE '2006-05-20' + INTERVAL 5 MONTH -> DATE '2006-10-20' 
 DATE '2006-05-20' + INTERVAL 5 YEAR  -> DATE '2011-05-20' 
schema:gisq

In this example we show the date 7 days after the value specified in whn

SELECT whn, whn+INTERVAL 7 DAY
  FROM eclipse
SELECT whn, whn+INTERVAL 7 DAY
  FROM eclipse
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