How to replace a number or a number in the string

Hai All

I have a line of text consisting of 32 characters and I cut it into four. And now in the last field of emp code I have now four character so I need to add three before the string

for example
the line of text is 00000000121212120102201016500123 and I got 16 first as code to bars and 8 as date and 4 depending on the time and now I need to replace or added to the last channel called empcode 3


M_barcode: = substr (mstr, 1, 16);
M_bardate: is to_date (substr (mstr, 17, 8), ' DD/MM/YYYY');.
M_bartime: = substr (mstr, 25, 4);

M_empcode:=substr()

For example pls

Thanks and greetings

Srikkanth.M

the last code emp field I has four characters, so I need to add three before the string

not exactly sure so maybe empcode or empcode2 should do the trick:

SQL> with t as (select '00000000121212120102201016500123' mstr from dual)
--
--
select substr (mstr, 1, 16) barcode,
       to_date (substr (mstr, 17, 8), 'DD/MM/YYYY') bardate,
       substr (mstr, 25, 4) bartime,
       3 || substr (mstr, -4) empcode,
       3 || substr (mstr, -3) empcode2
  from t
/
BARCODE          BARDATE   BARTIME EMPCODE EMPCODE2
---------------- --------- ------- ------- --------
0000000012121212 01-FEB-10 1650    30123   3123
1 row selected.

Tags: Database

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