I have table with 2 columns
Create Table code_for_code (
first_code varchar2(10) unique not null,
second_code varchar2(10) unique not null );
and i want to make PL/SQL code to insert random unique values in both columns , for instance 20 records ........ how can i do something like that ?
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how make 2 column in table with data tybe long row
hi every one
