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Tag: pls-00201

PLS-00201: identifier ‘COL1.POTO’ must be declared

Hi I have problem with variable: Here is my code The Osoba table: It’s my first post so don’t be so angry for formatting. Answer This can be done with a single efficient SQL statement. I highly doubt that the SELET statement and the general logic in your code is correct. CROSS JOINs create a cartesian product and are always

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