my problem is to know if exist inside my db at least one or more rows with this command

Select count(*) from tabelname where field1 = val1 and field2 = val2

Unfortunately...

Ok.....is better i don't use a create !!!!

i make one "Select count(*)" to know if there are some record inside table.

I put one "Where" option but is very very long.........

Which...

I understand, but my problem is the table dimension.

This table is very big and my problem have to have fast answer.

I see that inside this table there are no indexes...

the database i'm reading is not mine.

but is necessary form me to check which information are stored inside.

I dont want to change something , if i put inside a table...