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Oracle queries grouped by time

2022-07-03 07:49:00 【A reserved and calm man】

1. By year

Group the query by year and arrange the results in order

select to_char(SLRQ,'yyyy') ,count(*)from mv_ywst_fa group by to_char(SLRQ,'yyyy') ORDER BY to_char(SLRQ,'yyyy')

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2. Query by quarter

Group the query by quarter and arrange the results in order

select to_char(SLRQ,'yyyy-Q') ,count(*)from mv_ywst_fa group by to_char(SLRQ,'yyyy-Q') ORDER BY to_char(SLRQ,'yyyy-Q')

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3. Query by month

Group the query by month and arrange the results in order

select to_char(SLRQ,'yyyy-mm') ,count(*)from mv_ywst_fa group by to_char(SLRQ,'yyyy-mm') ORDER BY to_char(SLRQ,'yyyy-mm')

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4. Query by week

After grouping the query by week, arrange the results in order

select to_char(SLRQ,'yyyy-IW') ,count(*)from mv_ywst_fa group by to_char(SLRQ,'yyyy-IW') ORDER BY to_char(SLRQ,'yyyy-IW')

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5. Group queries and merge results

take 7 Views are grouped and queried by quarter and the results are consolidated

SELECT time,sum(amount) amount FROM
(
select to_char(SLRQ,'yyyy-Q') as time,count(*) as amount from (SELECT * FROM  mv_ywst_hs WHERE SLRQ between to_date('2012-1-1 00:00:00','yyyy-mm-dd hh24-mi-ss')
        and to_date('2012-12-31 23:59:59','yyyy-mm-dd hh24-mi-ss')) group by to_char(SLRQ,'yyyy-Q') 
union all 
select to_char(SLRQ,'yyyy-Q') as time,count(*) as amount from (SELECT * FROM  mv_ywst_gc WHERE SLRQ between to_date('2012-1-1 00:00:00','yyyy-mm-dd hh24-mi-ss')
        and to_date('2012-12-31 23:59:59','yyyy-mm-dd hh24-mi-ss')) group by to_char(SLRQ,'yyyy-Q') 
union all 
select to_char(SLRQ,'yyyy-Q') as time,count(*) as amount from (SELECT * FROM  mv_ywst_xz WHERE SLRQ between to_date('2012-1-1 00:00:00','yyyy-mm-dd hh24-mi-ss')
        and to_date('2012-12-31 23:59:59','yyyy-mm-dd hh24-mi-ss')) group by to_char(SLRQ,'yyyy-Q') 
union all 
select to_char(SLRQ,'yyyy-Q') as time,count(*) as amount from (SELECT * FROM  mv_ywst_yx WHERE SLRQ between to_date('2012-1-1 00:00:00','yyyy-mm-dd hh24-mi-ss')
        and to_date('2012-12-31 23:59:59','yyyy-mm-dd hh24-mi-ss')) group by to_char(SLRQ,'yyyy-Q') 
union all 
select to_char(SLRQ,'yyyy-Q') as time,count(*) as amount from (SELECT * FROM  mv_ywst_tj WHERE SLRQ between to_date('2012-1-1 00:00:00','yyyy-mm-dd hh24-mi-ss')
        and to_date('2012-12-31 23:59:59','yyyy-mm-dd hh24-mi-ss')) group by to_char(SLRQ,'yyyy-Q') 
union all 
select to_char(SLRQ,'yyyy-Q') as time,count(*) as amount from (SELECT * FROM  mv_ywst_fa WHERE SLRQ between to_date('2012-1-1 00:00:00','yyyy-mm-dd hh24-mi-ss')
        and to_date('2012-12-31 23:59:59','yyyy-mm-dd hh24-mi-ss')) group by to_char(SLRQ,'yyyy-Q')
union all 
select to_char(SLRQ,'yyyy-Q') as time,count(*) as amount from (SELECT * FROM  mv_ywst_yd WHERE SLRQ between to_date('2012-1-1 00:00:00','yyyy-mm-dd hh24-mi-ss')
        and to_date('2012-12-31 23:59:59','yyyy-mm-dd hh24-mi-ss')) group by to_char(SLRQ,'yyyy-Q') 
)  GROUP BY time