Oracle statistics statement by year

Oracle statistics statement by year
the
–Create table Test
CTEATE TABLE TEST(
ID NUMBER NOT NULL,
MODIFIEDTIME DATE NOT NULL
)
–Statistics by year
SELECT TO_CHAR(T.MODIFIEDTIME,’YYYY’) YEAR,COUNT(*) COUNT
FROM TEST T www.2cto.com
— You can add query conditions here
GROUP BY TO_CHAR(T.MODIFIEDTIME,'YYYY') –Group by year
ORDER BY TO_CHAR(T.MODIFIEDTIME,'YYYY') ASC NULLS LAST –sort by year
— Note: MODIFIEDTIME is the time field in the table TEST, the time type
–The above code can be run directly in the database
–If there is a quantity field in the table, if you want to count the quantity by day, you can change COUNT(*) to SUM(1) function
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Author guoxuepeng123