Re: Need SQL help

select myfield1 from mytable2 join mytable1 on myfield1 like concat('%',
concat(trim(flda), '%'));

HTH
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Marco Facchinetti

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Skype: facchinettimarco


Il giorno mer 11 dic 2024 alle ore 16:37 Vinay Gavankar <vinaygav@xxxxxxxxx>
ha scritto:

I ran this on the development box:
select *
from mytable1
where regex_instr(myfield1,
select listagg(trim(flda),'|') from mytable2
)> 0

I got error "REGEX_INSTR in *LIBL type *N not found"

On Wed, Dec 11, 2024 at 10:06 AM Charles Wilt <charles.wilt@xxxxxxxxx>
wrote:

I gave you two different single SQL statements...

But if you can actually use SQL, I don't know why you'd ask for it.

Charles

On Wed, Dec 11, 2024 at 8:04 AM Vinay Gavankar <vinaygav@xxxxxxxxx>

wrote:

But SQL scripts are not permitted in our Production environment. They

use

sql interface SEQUEL software (by fortra) , which does not allow all of

the

commands in standard sql. So if someone has any suggestions for doing

this

with a single sql statement, I can try to see if it can be done in

SEQUEL.

Vinay

On Tue, Dec 10, 2024 at 7:52 PM Vinay Gavankar <vinaygav@xxxxxxxxx>

wrote:

There is no unique key.

When I said "temporary" I actually meant that is the final output I

want

in the table.

Vinay

On Tue, Dec 10, 2024 at 6:22 PM Charles Wilt <charles.wilt@xxxxxxxxx

wrote:

Are there any other fields in MYTABLE? Particularly a unique key?

with unpivot as (
select key, varchar(element, 15) as f1
from mytable, table(systools.split(myfield1, ';'))
)
select *
from mytable1 t1
where t1.key in (select u.key from mytable2 t2 inner join unpivot u

on

u.f1
= m2.flda)

If there's no unique key, you could use RRN.

Generally, you don't want to create a temporary table unless you

have

multiple processes running over it.
Yes, this will take more memory, but usually less time.

HTH,
Charles



On Tue, Dec 10, 2024 at 12:25 PM Vinay Gavankar <vinaygav@xxxxxxxxx

wrote:

I have a Table (MYTABLE1) with millions of rows with a field FLD1

(256

chars). I have another table (MYTABLE2) with about 100 rows with a

field

FLDA (15 chars).

I want to get all records from MYTABLE1 where FLD1 has FLDA.
If FLDA has a value of 'ABCD' then
Select * from MYTABLE1 where FLD1 like %ABCD%
would probably do the job. But I need to do it for FLDA values of

all

the

records in MYTABLE2.

I know I haven't explained it properly so let me give an example:

FIELD1 in MYTABLE1:
Row 1 - ABCDEF;123456;GH;78
Row 2 - CDEFG;345678;
Row 3 - 345678;EWRT;9888
Row 4 - 85465;ASDFGT;QWERTY;85656

FLDA in MYTABLE2:
Row 1 - 123456
Row 2 - 345678

The final sql should return Rows 1,2,3 from MYTABLE1.

TIA
Vinay
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