>=sysdate-30 business day's data pick in oracle -

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i need pick sysdate- 30 business days data table test.

when doing select * test cre_d>=sysdate-30;

it include saturday,sunday , holidays if any.i want pick sysdate- 30 business days(idealy sysdate-38 because 4 weekend came in week not looks correct because holidays may came , sysdate-38 should change sysdate-39.)

kindly suggest best way doing this.thanks!

create table t_tb select sysdate-level dt dual connect level < 50;

select to_char(dt,'d'), dt t_tb to_char(dt,'d') between 2 , 6and rownum <= 30

is want?


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