Need help in date function of SQL

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Hi,

For better enhancement and to avoid manual modification every month, i need to modify my current query such a way that every month when i run this query in the Oracle SQL, system will run the query for Last month end date of the based upon current system date.

What I have tried:

SQL

SELECT ACCOUNT.ACCOUNT_NAME, SECURITY.SECURITY_FORMATTED_NAME, SECURITY.SECURITY_NAME, SECURITY.SECURITY_CATG_CODE, ACCOUNT_POSITION.ACCOUNT_MARKET_VALUE, ACCOUNT_POSITION.SHARES, COUNTRY.COUNTRY_DISCRIPTION, INDUSTRY_DIM.INDUSTRY_GROUP_NAME, SECURITY.SECURITY_CUSIP, SECURITY.SECURITY_SEDOL, SECURITY.SECURITY_ISIN, SECURITY.SECURITY_INTERNAL_ID, LAST_DAYE(SYSDATE(DAY_DIM.DAY_DIM_ID))
FROM ACCOUNT, ACCOUNT_POSITION, COUNTRY, DAY_DIM, INDUSTRY_DIM, SECURITY, POSITION_TYPE
WHERE ACCOUNT_POSITION.ACCOUNT_ID = ACCOUNT.ACCOUNT_ID
AND ACCOUNT_POSITION.POSITION_TYPE_ID = POSITION_TYPE.POSITION_TYPE_ID
AND ACCOUNT_POSITION.SECURITY_ID = SECURITY.SECURITY_ID
AND ACCOUNT_POSITION.DAY_ID = SECURITY.DAY_ID
AND ACCOUNT_POSITION.DAY_ID = DAY_DIM.DAY_ID
AND COUNTRY.COUNTRY_CODE = SECURITY.SECURITY_COUNTRY_CODE
AND SECURITY.INDUSTRY_ID = INDUSTRY_DIM.INDUSTRY_ID
AND ((ACCOUNT.ACCOUNT_NUMBER = ‘12345’)
AND (POSITION_TYPE.POSITION_TYPE_ID_CODE = ‘Trade’))

Posted 28-Mar-23 23:11pm

Member 14124697

Updated 29-Mar-23 1:36am

Herman<T>.Instance

v2

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OriginalGriff · Accepted Answer · 2023-03-28T23:20:00

Solution 1

See here: SQL Server DATEADD() Function[^] - if you provide it with negative numbers, it goes backwards. So subtract today's day-of-month from the current date and you get the last day of last month ...

Posted 28-Mar-23 23:20pm

OriginalGriff

Comments

jsc42 29-Mar-23 6:34am

OP says Oracle, not SQL SERVER; Oracle does not have a DATEADD function. https://stackoverflow.com/questions/4957224/getting-last-day-of-previous-month-in-oracle-function says use LAST_DAY(ADD_MONTHS(sysdate, -1))