Find the average time required to process an order?
HelloI followed four tables.
/* There are other columns as well but just using the relevent columns.*/
CREATE TABLE COMPANY_ORDERS
(
INTERNALORDERID NUMBER(10) NOT NULL,
ORDERENTRYDATE DATE,
SYSTEMID NUMBER(10)
)
/* There are other columns as well but just using the relevent columns.*/
/* The data in archive table goes after each three months.*/
CREATE TABLE COMPANY_ORDERS_ARCH
(
INTERNALORDERID NUMBER(10) NOT NULL,
ORDERENTRYDATE DATE,
SYSTEMID NUMBER(10)
)
/* There are other columns as well but just using the relevent columns.*/
CREATE TABLE COMPANY_ORDER_HISTORY
(
INTERNALORDERID NUMBER(10) NOT NULL,
ITEMORDER NUMBER(10) NOT NULL,
ENTRYDATE DATE NOT NULL,
UPDATEDATE DATE,
STATUSID NUMBER(10),
INTERNALSTATUSID NUMBER(10)
)
/* The data in archive table goes after each three months.*/
CREATE TABLE COMPANY_ORDER_HISTORY_ARCH
(
INTERNALORDERID NUMBER(10) NOT NULL,
ITEMORDER NUMBER(10) NOT NULL,
ENTRYDATE DATE NOT NULL,
UPDATEDATE DATE,
STATUSID NUMBER(10),
INTERNALSTATUSID NUMBER(10)
)
The data in TABLE COMPANY_ORDER_HISTORY or COMPANY_ORDER_HISTORY_ARCH of the TABLE can be used as below:SET DEFINE OFF;
Insert into COMPANY_ORDER_HISTORY
(INTERNALORDERID, ITEMORDER, ENTRYDATE, UPDATEDATE, STATUSID, INTERNALSTATUSID)
Values
(8179058, 8, TO_DATE('08/03/2009 11:40:00', 'MM/DD/YYYY HH24:MI:SS'), TO_DATE('08/03/2009 11:40:00', 'MM/DD/YYYY HH24:MI:SS'), 7, 1360);
Insert into COMPANY_ORDER_HISTORY
(INTERNALORDERID, ITEMORDER, ENTRYDATE, UPDATEDATE, STATUSID, INTERNALSTATUSID)
Values
(8179058, 10, TO_DATE('08/03/2009 11:42:16', 'MM/DD/YYYY HH24:MI:SS'), TO_DATE('08/03/2009 11:42:16', 'MM/DD/YYYY HH24:MI:SS'), 7, 1430);
Insert into COMPANY_ORDER_HISTORY
(INTERNALORDERID, ITEMORDER, ENTRYDATE, UPDATEDATE, STATUSID, INTERNALSTATUSID)
Values
(8179180, 1, TO_DATE('08/03/2009 10:21:30', 'MM/DD/YYYY HH24:MI:SS'), TO_DATE('08/03/2009 10:21:30', 'MM/DD/YYYY HH24:MI:SS'), -3, -3);
Insert into COMPANY_ORDER_HISTORY
(INTERNALORDERID, ITEMORDER, ENTRYDATE, UPDATEDATE, STATUSID, INTERNALSTATUSID)
Values
(8179180, 3, TO_DATE('08/03/2009 10:25:06', 'MM/DD/YYYY HH24:MI:SS'), TO_DATE('08/03/2009 10:25:06', 'MM/DD/YYYY HH24:MI:SS'), 0, 0);
Insert into COMPANY_ORDER_HISTORY
(INTERNALORDERID, ITEMORDER, ENTRYDATE, UPDATEDATE, STATUSID, INTERNALSTATUSID)
Values
(8179180, 14, TO_DATE('08/03/2009 11:40:00', 'MM/DD/YYYY HH24:MI:SS'), TO_DATE('08/03/2009 11:40:00', 'MM/DD/YYYY HH24:MI:SS'), 7, 1360);
Insert into COMPANY_ORDER_HISTORY
(INTERNALORDERID, ITEMORDER, ENTRYDATE, UPDATEDATE, STATUSID, INTERNALSTATUSID)
Values
(8179180, 16, TO_DATE('08/03/2009 11:42:17', 'MM/DD/YYYY HH24:MI:SS'), TO_DATE('08/03/2009 11:42:17', 'MM/DD/YYYY HH24:MI:SS'), 7, 1430);
Insert into COMPANY_ORDER_HISTORY
(INTERNALORDERID, ITEMORDER, ENTRYDATE, UPDATEDATE, STATUSID, INTERNALSTATUSID)
Values
(8179184, 1, TO_DATE('08/03/2009 10:21:33', 'MM/DD/YYYY HH24:MI:SS'), TO_DATE('08/03/2009 10:21:33', 'MM/DD/YYYY HH24:MI:SS'), -3, -3);
Insert into COMPANY_ORDER_HISTORY
(INTERNALORDERID, ITEMORDER, ENTRYDATE, UPDATEDATE, STATUSID, INTERNALSTATUSID)
Values
(8179184, 3, TO_DATE('08/03/2009 10:25:09', 'MM/DD/YYYY HH24:MI:SS'), TO_DATE('08/03/2009 10:25:09', 'MM/DD/YYYY HH24:MI:SS'), 0, 0);
Insert into COMPANY_ORDER_HISTORY
(INTERNALORDERID, ITEMORDER, ENTRYDATE, UPDATEDATE, STATUSID, INTERNALSTATUSID)
Values
(8179184, 14, TO_DATE('08/03/2009 11:40:00', 'MM/DD/YYYY HH24:MI:SS'), TO_DATE('08/03/2009 11:40:00', 'MM/DD/YYYY HH24:MI:SS'), 7, 1360);
Insert into COMPANY_ORDER_HISTORY
(INTERNALORDERID, ITEMORDER, ENTRYDATE, UPDATEDATE, STATUSID, INTERNALSTATUSID)
Values
(8179184, 16, TO_DATE('08/03/2009 11:42:18', 'MM/DD/YYYY HH24:MI:SS'), TO_DATE('08/03/2009 11:42:18', 'MM/DD/YYYY HH24:MI:SS'), 7, 1430);
Insert into COMPANY_ORDER_HISTORY
(INTERNALORDERID, ITEMORDER, ENTRYDATE, UPDATEDATE, STATUSID, INTERNALSTATUSID)
Values
(8179185, 1, TO_DATE('08/03/2009 10:21:33', 'MM/DD/YYYY HH24:MI:SS'), TO_DATE('08/03/2009 10:21:33', 'MM/DD/YYYY HH24:MI:SS'), -3, -3);
Insert into COMPANY_ORDER_HISTORY
(INTERNALORDERID, ITEMORDER, ENTRYDATE, UPDATEDATE, STATUSID, INTERNALSTATUSID)
Values
(8179185, 3, TO_DATE('08/03/2009 10:25:09', 'MM/DD/YYYY HH24:MI:SS'), TO_DATE('08/03/2009 10:25:09', 'MM/DD/YYYY HH24:MI:SS'), 0, 0);
Insert into COMPANY_ORDER_HISTORY
(INTERNALORDERID, ITEMORDER, ENTRYDATE, UPDATEDATE, STATUSID, INTERNALSTATUSID)
Values
(8179185, 14, TO_DATE('08/03/2009 11:40:00', 'MM/DD/YYYY HH24:MI:SS'), TO_DATE('08/03/2009 11:40:00', 'MM/DD/YYYY HH24:MI:SS'), 7, 1360);
Insert into COMPANY_ORDER_HISTORY
(INTERNALORDERID, ITEMORDER, ENTRYDATE, UPDATEDATE, STATUSID, INTERNALSTATUSID)
Values
(8179185, 16, TO_DATE('08/03/2009 11:42:17', 'MM/DD/YYYY HH24:MI:SS'), TO_DATE('08/03/2009 11:42:17', 'MM/DD/YYYY HH24:MI:SS'), 7, 1430);
COMMIT;
Every day an order number is raised through different systems (identified by COMPANY_ORDERS. SYSTEMID). Now I need to find a day average time an order made, by SYSTEMID to reach a final statusid 7 (x), internalstausid 1430 (y) of his first entrytime in COMPANY_ORDER_HISTORY (IE for an orderid, the first entry of COMPANY_ORDER_HISTORY founded in updatedate or for an orderid, or the entrytime for an orderid when ITEMORDER = 1)Tables of archive can be reunited if the fake of the length of the period for which the order is archived.
Another desired suggestion is table archive is very large.
It will be appropriate to create a materialized view archived table, not seen that data last month and then join the Materialized view query (since the statistics must be shown to last a year...)?
Concerning
Published by: a R on October 28, 2009 06:02
Published by: a R on October 28, 2009 14:13
Hello
First, initialize variables bind using some PL/SQL like this:
-- These parameters are passed by the user:
VARIABLE p_statusid NUMBER
VARIABLE p_internalstatusid NUMBER
VARIABLE p_start_date VARCHAR2 (10)
VARIABLE p_end_date VARCHAR2 (10)
-- These parameters are derived from the ones that are passed:
VARIABLE p_date_trunc VARCHAR2 (10)
VARIABLE p_need_arch NUMBER
DECLARE
end_date DATE;
start_date DATE;
BEGIN
:p_statusid := 7;
:p_internalstatusid := 1430;
:p_start_date := '03/08/2009';
:p_end_date := '04/08/2009';
start_date := TO_DATE (:p_start_date, 'DD/MM/YYYY');
end_date := TO_DATE (:p_end_date, 'DD/MM/YYYY');
-- The following parameters could be computed in the query, but it's messier
:p_date_trunc := CASE
WHEN end_date - start_date <= 1
THEN 'HH'
WHEN MONTHS_BETWEEN (end_date, start_date) <= 1
THEN 'DD'
WHEN MONTHS_BETWEEN (end_date, start_date) <= 6
THEN 'IW'
ELSE 'MM'
END;
:p_need_arch := CASE
WHEN start_date > ADD_MONTHS (SYSDATE, -4)
THEN 0 -- dates are all within last 4 months, archive tables are not needed
ELSE 1 -- some dates are older than 4 months ago, archive tables are needed
END;
END;
/
You don't absolutely have to do that, but it made the query much shorter and cleaner.
The query itself is:
WITH dop AS
(
SELECT systemid, internalorderid
FROM company_orders
WHERE orderentrydate >= TO_DATE (:p_start_date, 'DD/MM/YYYY')
AND orderentrydate < TO_DATE (:p_end_date, 'DD/MM/YYYY') + 1
--
UNION ALL
--
SELECT systemid, internalorderid
FROM company_orders_arch
WHERE orderentrydate >= TO_DATE (:p_start_date, 'DD/MM/YYYY')
AND orderentrydate < TO_DATE (:p_end_date, 'DD/MM/YYYY') + 1
AND :p_need_arch = 1
)
, coh AS
(
SELECT internalorderid
, MIN ( CASE
WHEN itemorder = 1
THEN entrydate
END
) AS h1_entrydate
, MAX ( CASE
WHEN internalstatusid = :p_internalstatusid
AND statusid = :p_statusid
THEN entrydate
END
) AS hn_entrydate
FROM company_order_history
WHERE entrydate >= TO_DATE (:p_start_date, 'DD/MM/YYYY')
GROUP BY internalorderid
--
UNION ALL
--
SELECT internalorderid
, MIN ( CASE
WHEN itemorder = 1
THEN entrydate
END
) AS h1_entrydate
, MAX ( CASE
WHEN internalstatusid = :p_internalstatusid
AND statusid = :p_statusid
THEN entrydate
END
) AS hn_entrydate
FROM company_order_history_arch
WHERE entrydate >= TO_DATE (:p_start_date, 'DD/MM/YYYY')
AND :p_need_arch = 1
GROUP BY internalorderid
)
SELECT dop.systemid
, AVG (coh.hn_entrydate - coh.h1_entrydate) AS avereagetime
, TO_CHAR ( TRUNC (coh.hn_entrydate, :p_date_trunc) -- + (1 / 24)
, 'MM/DD/YYYY' || CASE
WHEN :p_date_trunc = 'HH'
THEN ' HH24:MI:SS'
END
) AS periodstartdate
FROM dop
JOIN coh ON coh.internalorderid = dop.internalorderid
GROUP BY dop.systemid
, TRUNC (coh.hn_entrydate, :p_date_trunc)
ORDER BY dop.systemid
, TRUNC (coh.hn_entrydate, :p_date_trunc)
;
The conditions
AND :p_need_arch = 1
should "short-circuit" queries on the archived tables when it comes from kniown, the: parameter of p_start_date, that they are not necessary.
The coh subquery matches your original of subqueries h1 and h2. It is more effective to go through the tables only once. The WHERE clause in coh contain the conditions common to h1 and h2; conditions that apply only to the h1 or h2 are transferred in CASE expressions.
You always want to group by a date that is truncated. According to the: p_strart_date to: p_end_date Beach, you can truncate the next time down, day, week or month. the only difference is the 2nd argument to the TRUNC function.
When you group by weeks, I used the ISO weeks, which begin Monday and end on Sunday. If you need a different kind of week, it's a little more complicated.
Tags: Database
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Hello After the upgrade to 6.5.0 I had naturally create and update an account MyNetgear to use ReadyCloud on our 2 NAS boxes. At the beginning it was a headache because he beat absolutely all remote access (as others in the forum mentioned). However,
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Windows 10 Info Center is boring!
Please help me! Is it possible to disable the Windows Info Center? I mean especially the gesture to open (wide right in the Center), because it really sucks when you use the ThinkPad with a pen. Thanks in advance!