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How to sort queries by day, week, month, quarter and year by oracle

Shulou Source: shulou.com Published: 2022-05-31 18:19:23 09月28日 Update

This article mainly explains the "oracle how to achieve by day, week, month, quarter, annual query sorting", the article explains the content is simple and clear, easy to learn and understand, the following please follow the editor's ideas slowly in-depth, together to study and learn "oracle how to achieve daily, weekly, monthly, quarterly, annual query sorting" bar!

Oracle sorts queries by day, week, month, quarter, and year

Tian-to_char (t.startfutimejinjia YYYYMMMMI DD')

Week-to_char (t. Startkeeper timeline), to_char (t. Startkeeper timememe e. I W')

Month-to_char (t. Startkeeper timejour YYYYMM')

Quarter-to_char (t.startroomtimejinyyyy`), to_char (t.startfutimetimestamping Q')

Year-to_char (t.startkeeper timedepartment YYYY')

Query by day

Select to_char (t.startkeeper time.YYYYMurMMMurDD') day, count (*) from test t

Where to_char (t.startkeeper time.YYYY') = '2019'-conditional restrictions

Group by to_char (t.startkeeper time.YYYYMurMMMurDD')-grouping

Order by to_char (t.startkeeper time.YYYYMurMMMurDD')-- sort

Query by week

Select to_char (t.startkeeper time.yyyyyyyyyy`) year, to_char (t.startroomtimetimecompanyieIW'), count (*) from test t

Where to_char (t.startkeeper time.YYYY') = '2019'-conditional restrictions

Group by to_char (t. Startkeeper timejournal / YYYY') year, to_char (t. Startkeeper timecomp / I W')-grouping

Order by to_char (t. Startkeeper time.yyyy') year,to_char (t. Startkeeper timecomp. IW')-- sort

Query by month

Select to_char (t.startkeeper time.YYYYMurMM'), count (*) from test t

Where to_char (t.startkeeper time.YYYY') = '2019'-conditional restrictions

Group by to_char (t.startkeeper time.YYYYmurMM')-grouping

Order byto_char (t.startkeeper time.yyyymurmm`)-sort

Query by quarter

Select to_char (t.startkeeper time.yyyyyyyyy`) year, to_char (t.startshitimetimecompagem quotation Q'), count (*) from test t

Where to_char (t.startkeeper time.YYYY') = '2019'-conditional restrictions

Group by to_char (t. Startkeeper timejournal YYYY'), to_char (t. Startkeeper timecomp Q')-- grouping

Order byto_char (t. Startkeeper timejournal yyyy'), to_char (t. Startkeeper timepenny Q')-- sort

Query by year

Select to_char (t.startkeeper time) year, count (*) from test t

Where to_char (t.startkeeper time.YYYY') = '2019'-conditional restrictions

Group by to_char (t.startkeeper time.YYYY')-grouping

Order by to_char (t.startkeeper time.yyyy')-sort

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