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SQL>
SQL> CREATE OR REPLACE PROCEDURE plw5001
2 IS
3 a BOOLEAN;
4 a PLS_INTEGER;
5 BEGIN
6 a := 1;
7 DBMS_OUTPUT.put_line ('Will not compile?');
8 END plw5001;
9 /
Warning: Procedure created with compilation errors.
SQL>
SQL> SHOW ERRORS
Errors for PROCEDURE PLW5001:
LINE/COL ERROR
-------- -----------------------------------------------------------------
4/4 PLW-05001: previous use of 'A' (at line 3) conflicts with this
use
6/4 PL/SQL: Statement ignored
6/4 PLS-00371: at most one declaration for 'A' is permitted
SQL>
SQL> ALTER SESSION SET plsql_warnings = 'disable:all'
2 /
Session altered.
SQL>
SQL> CREATE OR REPLACE PROCEDURE plw5001
2 IS
3 a BOOLEAN;
4 a PLS_INTEGER;
5 BEGIN
6 DBMS_OUTPUT.put_line ('Will not compile?');
7 END plw5001;
8 /
Procedure created.
SQL>
SQL> ALTER PROCEDURE plw5001 COMPILE plsql_warnings = 'enable:all'
2 /
SP2-0805: Procedure altered with compilation warnings
SQL>
SQL> SHOW ERRORS
Errors for PROCEDURE PLW5001:
LINE/COL ERROR
-------- -----------------------------------------------------------------
4/4 PLW-05001: previous use of 'A' (at line 3) conflicts with this
use
SQL>
SQL>
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