Hello I am trying to get the status of running of job for each day. At database end the job runs at 18:00 to 18:10. There is one column which I am fetching and it is a time stamp like 29-APR-20 20.08.30
I now as this job runs daily so I want to know the status of today's run. It should not return any row for today's day if the job hasn't started yet.
I put the below where condition :
where CAST(log_date as date) > sysdate-1
Now as today is 30 APR so sysdate-1 is 29april. So it should find a column with date as 30th april but since the job hasn't been run so far so now rows shoud come.
But in output I am receiving29-APR-20 20.08.30
I suspect that you want:
where log_date > trunc(sysdate)
This checks if a row exists whose log_date belongs to the current day (without the time component). On the other hand, your original expression checked if a row exists within the last 24 hours - which, if you job runs at a fixed time on a daily basis, will always return something.
Related
I have a below query that I run to extract material movements from the last 7 days.
Purpose is to get the data for the last calender week for certain reports.
select
*
From
redshift
where
posting_date between CURRENT_DATE - 7 and CURRENT_DATE - 1
That means I need to run the query on every Monday to get the data for the former week.
Sometimes I am too busy on Monday or its vacation/bank holiday. In that case I would need to change the query or pull the data via SAP.
Question:
Is there a function for redshift that pulls out the data for the last calender week regardless when I run the query?
I already found following solution
SELECT id FROM table1
WHERE YEARWEEK(date) = YEARWEEK(NOW() - INTERVAL 1 WEEK)
But this doesnt seem to be working for redshift sql
Thanks a lot for your help.
Redshift offers a DATE_TRUNC('week', datestamp) function. Given any datestamp value, either a date or datetime, it gives back the date of the preceding Sunday.
So this might work for you. It filters rows from the Sunday before last, up until but not including, the last Sunday, and so gets a full week.
SELECT id
FROM table1
WHERE date >= DATE_TRUNC('week', NOW()) - INTERVAL 1 WEEK
AND date < DATE_TRUNC('week', NOW())
Pro tip: Every minute you spend learning your DBMS's date/time functions will save you an hour in programming.
I'm including a new option on an already working query/report on business objects.
Basically it already gets the records that were created from the first of last month and today dates.
I want to add the records from the previous year's same dates (last month and previous year and today previous year).
When I introduced the OR operator to include a new between date the report that usually takes 2 minutes, won't run in less than 30 minutes.
This Works great:
Select
value1
creation
From
Table
Where
creation BETWEEN trunc((trunc(sysdate,'mm')-1),'mm') AND trunc(sysdate)
This takes more than 30 min:
Select
value1
creation
From
Table
Where
(creation BETWEEN add_months(trunc((trunc(sysdate,'mm')-1),'mm'),-12) AND add_months(trunc(sysdate),-12)
OR creation BETWEEN trunc((trunc(sysdate,'mm')-1),'mm') AND trunc(sysdate))
In one of my SQL queries, I am using
[... and z.READ_TIMESTAMP > TIMESTAMP_TO_EPOCH(TRUNC(SYSDATE-3)]
If I want the date to be exactly 5/31/2017, will I use 'SYSDATE' (date-n) function or some other expression? or how can a modify my query for 5/31/2017
If you want the date to be exactly 5/31/2017 then use TO_DATE() or TO_TIMESTAMP() depending on which data type you need (date or timestamp). As you are using SYSDATE already the the date data type should work.
-- e.g.
select
to_date('5/31/2017','mm/dd/yyyy')
, to_timestamp('5/31/2017','mm/dd/yyyy')
from dual
...
and z.READ_TIMESTAMP > TIMESTAMP_TO_EPOCH(to_date('5/31/2017','mm/dd/yyyy'))
HOWEVER
I suspect you may want more than just a way to establish a fixed date. For example are you asking for "how do I get that last day of the previous month?" which perhaps can be satisfied by using >= and the first day of current month like this:
...
and z.READ_TIMESTAMP >= TIMESTAMP_TO_EPOCH(trunc(sysdate,'MM'))
or if it really is the last day of the previous month can be achieved with a combination of LAST_DAY() and ADD_MONTHS()
and z.READ_TIMESTAMP >
TIMESTAMP_TO_EPOCH( last_day(add_months(trunc(sysdate,'MM'),-1)) )
Without knowing a great deal more about the nature of your data and query purpose please do note that each date you use when "truncated" also has the time set to 00:00:000 - so IF you data contains time within a day other than 00:00:00 then these 2 queries might NOT produce the same result
.... datetimecolumn > to_date('05/31/2017','mm/dd/yyyy') -- "a"
.... datetimecolumn >= to_date('06/01/2017','mm/dd/yyyy') -- "b"
For example "a" the entire 24 hour duration of 05/31/2017 would be included in the results, but for example "b" that same 24 hour duration would be excluded from results. In my experience the last day of any month isn't really the best method for locating date/time based data, instead usually it is the first day of the next month that produces the correct result.
I have a PostgreSQL database in which one table rapidly grows very large (several million rows every month or so) so I'd like to periodically archive the contents of that table into a separate table.
I'm intending to use a cron job to execute a .sql file nightly to archive all rows that are older than one month into the other table.
I have the query working fine, but I need to know how to dynamically create a timestamp of one month prior.
The time column is stored in the format 2013-10-27 06:53:12 and I need to know what to use in an SQL query to build a timestamp of exactly one month prior. For example, if today is October 27, 2013, I want the query to match all rows where time < 2013-09-27 00:00:00
Question was answered by a friend in IRC:
'now'::timestamp - '1 month'::interval
Having the timestamp return 00:00:00 wasn't terrible important, so this works for my intentions.
select date_trunc('day', NOW() - interval '1 month')
This query will return date one month ago from now and round time to 00:00:00.
When you need to query for the data of previous month, then you need to query for the respective date column having month values as (current_month-1).
SELECT *
FROM {table_name}
WHERE {column_name} >= date_trunc('month', current_date-interval '1' month)
AND {column_name} < date_trunc('month', current_date)
The first condition of where clause will search the date greater than the first day (00:00:00 Day 1 of Previous Month)of previous month and second clause will search for the date less than the first day of current month(00:00:00 Day 1 of Current Month).
This will includes all the results where date lying in previous month.
I need to make an Access query output records that were only from last 24 hours. The field called " SYSADM_CUSTOMER_ORDER.CREATE_DATE" is the time-stamp field. I cant use the criteria ">date()-1", because that would give me records from after 12AM the previous day and I need to run the query at 4PM every day and only output records from after 4PM the previous day. Please give me the preoper SQL for me to copy and paste, based on my SQL below. thank you very much, Nathaniel
SELECT , SYSADM_CUSTOMER_ORDER.ID
FROM SYSADM_CUSTOMER_ORDER;
I think you should probably be using now() - 1, something like:
select * from sysadm_customer_order where create_date > now() - 1;
The date function returns the date with an implicit time of 00:00:00. You want now() which gives you both current date and time.