Create Pl/SQL block dynamically and then execute it by calling 'DBMS_SQL.EXECUTE' : DBMS_SQL « System Packages « Oracle PL/SQL Tutorial






SQL>
SQL> CREATE OR REPLACE PROCEDURE assign (
  2     val_in IN VARCHAR2,
  3     varname_in IN VARCHAR2,
  4     trc IN BOOLEAN := TRUE)
  5  IS
  6     cur PLS_INTEGER := DBMS_SQL.OPEN_CURSOR;
  7     returnValue PLS_INTEGER;
  8     assign_string VARCHAR2(2000) := 'BEGIN ' || varname_in || ' := ''' || val_in || '''; END;';
  9  BEGIN
 10     IF trc THEN DBMS_OUTPUT.PUT_LINE (assign_string); END IF;
 11     DBMS_SQL.PARSE (cur, assign_string, DBMS_SQL.NATIVE);
 12     returnValue := DBMS_SQL.EXECUTE (cur);
 13     DBMS_SQL.CLOSE_CURSOR (cur);
 14  END;
 15  /

Procedure created.

SQL>
SQL>








31.26.DBMS_SQL
31.26.1.dbms_sql.number_table
31.26.2.Close a cursor
31.26.3.Assign date with DBMS_SQL package
31.26.4.Create Pl/SQL block dynamically and then execute it by calling 'DBMS_SQL.EXECUTE'
31.26.5.DBMS_SQL.PARSE
31.26.6.An example of using DBMS_SQL.OPEN_CURSOR
31.26.7.Package for running dynamic sql based on DBMS_SQL package
31.26.8.Wrap dbms_sql package
31.26.9.Dump Column long with DBMS_SQL.DEFINE_COLUMN_LONG
31.26.10.DBMS_SQL.BIND_VARIABLE and DBMS_SQL.EXECUTE
31.26.11.DBMS_SQL.EXECUTE an update statement
31.26.12.Use DBMS_SQL to update a table and get the number of rows updated
31.26.13.DBMS_SQL.VARCHAR2_TABLE and DBMS_SQL.NUMBER_TABLE
31.26.14.Use dynamic SQL to check the business logic
31.26.15.Use DBMS_SQL package to parse math expression
31.26.16.Use a character string of arithmetic logic, selecting against the DUAL table to return a number value.
31.26.17.DBMS_SQL.LAST_ERROR_POSITION
31.26.18.Dump query with dbms_sql
31.26.19.Use dbms_sql.describe_columns
31.26.20.Print table with dynamic query