When I execute a dynamic SQL statement, I must have an expression in the USING clause for each placeholder - by position, not name. So you see three variables, including val_in twice.

The "in tab" procedure displays what's in a table, using DBMS_SQL and method 4 dynamic SQL. That is, I do not know at the time I compile my code how many columns I will displaying. Most dynamic SQL ...

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PL/SQL (Procedural Language/Structured Query Language) files contain database code that represents information that you can manipulate using Oracle operating systems and database programs.