Executing PL/SQL Blocks and use BIND_VARIABLE to bind variable : dbms_sql « System Packages « Oracle PL / SQL

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Oracle PL / SQL » System Packages » dbms_sql 
Executing PL/SQL Blocks and use BIND_VARIABLE to bind variable
  
SQL>
SQL> CREATE TABLE lecturer (
  2    id               NUMBER(5PRIMARY KEY,
  3    first_name       VARCHAR2(20),
  4    last_name        VARCHAR2(20),
  5    major            VARCHAR2(30),
  6    current_credits  NUMBER(3)
  7    );

Table created.

SQL>
SQL> INSERT INTO lecturer (id, first_name, last_name, major,current_credits)
  2                VALUES (10001'Scott', 'Lawson','Computer Science', 11);

row created.

SQL>
SQL> INSERT INTO lecturer (id, first_name, last_name, major, current_credits)
  2                VALUES (10002'Mar', 'Wells','History', 4);

row created.

SQL>
SQL> INSERT INTO lecturer (id, first_name, last_name, major,current_credits)
  2                VALUES (10003'Jone', 'Bliss','Computer Science', 8);

row created.

SQL>
SQL> INSERT INTO lecturer (id, first_name, last_name, major,current_credits)
  2                VALUES (10004'Man', 'Kyte','Economics', 8);

row created.

SQL>
SQL> INSERT INTO lecturer (id, first_name, last_name, major,current_credits)
  2                VALUES (10005'Pat', 'Poll','History', 4);

row created.

SQL>
SQL> INSERT INTO lecturer (id, first_name, last_name, major,current_credits)
  2                VALUES (10006'Tim', 'Viper','History', 4);

row created.

SQL>
SQL>
SQL> CREATE TABLE MyTable (
  2    num_col    NUMBER,
  3    char_col   VARCHAR2(60)
  4    );

Table created.

SQL>
SQL>
SQL>
SQL> CREATE OR REPLACE PROCEDURE DynamicPLSQL (
  2    p_ID IN lecturer.ID%TYPEIS
  3
  4    v_CursorID  INTEGER;
  5    v_BlockStr  VARCHAR2(500);
  6    myFirstName lecturer.first_name%TYPE;
  7    v_LastName  lecturer.last_name%TYPE;
  8    v_Dummy     INTEGER;
  9
 10  BEGIN
 11    v_CursorID := DBMS_SQL.OPEN_CURSOR;
 12
 13    v_BlockStr :=
 14      'BEGIN
 15         SELECT first_name, last_name
 16           INTO :first_name, :last_name
 17           FROM lecturer
 18           WHERE ID = :ID;
 19       END;';
 20
 21    DBMS_SQL.PARSE(v_CursorID, v_BlockStr, DBMS_SQL.V7);
 22
 23    DBMS_SQL.BIND_VARIABLE(v_CursorID, ':first_name', myFirstName, 30);
 24    DBMS_SQL.BIND_VARIABLE(v_CursorID, ':last_name', v_LastName, 30);
 25    DBMS_SQL.BIND_VARIABLE(v_CursorID, ':ID', p_ID);
 26
 27    v_Dummy := DBMS_SQL.EXECUTE(v_CursorID);
 28
 29    DBMS_SQL.VARIABLE_VALUE(v_CursorID, ':first_name', myFirstName);
 30    DBMS_SQL.VARIABLE_VALUE(v_CursorID, ':last_name', v_LastName);
 31
 32    INSERT INTO MyTable (num_col, char_col)
 33      VALUES (p_ID, myFirstName || ' ' || v_LastName);
 34
 35    DBMS_SQL.CLOSE_CURSOR(v_CursorID);
 36
 37    COMMIT;
 38  EXCEPTION
 39    WHEN OTHERS THEN
 40      DBMS_SQL.CLOSE_CURSOR(v_CursorID);
 41      RAISE;
 42  END DynamicPLSQL;
 43  /

Procedure created.

SQL>
SQL> drop table mytable;

Table dropped.

SQL>
SQL> drop table lecturer;

Table dropped.

   
  
Related examples in the same category
1. First DBMS_SQL Example
2. Pass a query statement to a stored procedure
3. Use dbms_sql.open_cursor create a cursor
4. Use dbms_sql.bind_variable, dbms_sql.execute to insert value to a table
5. Use dbms_sql.bind_array to bind array to a cursor
6. Use dbms_sql.parse to bind a select statement to a cursor
7. Call dbms_sql.describe_columns2 to get info for a column
8. Non-Query DML and DDL Statements
9. Use DBMS_SQL with the RETURNING clause.
10. DBMS_SQL.NATIVE;
11. DBMS_SQL.PARSE and DBMS_SQL.EXECUTE
12. Dynamic sql statement with variable binding
13. Dynamic select statement and row fetch
14. Execute PL/SQL block
15. DBMS_SQL package: dynamic SQL
16. Pass where clause to a stored procedure
17. Executing Queries and use DBMS_SQL.COLUMN_VALUE to map value
18. drop the supplied table using dynamic SQL.
19. DBMS_SQL.BIND_VARIABLE_CHAR
20. illustrate the importance of setting out_value_size.
21. Calling a function which uses dynamic SQL from within an SQL statement.
22. Illustrates the interaction of roles and dynamic SQL.
23. illustrates a DDL statement which is built dynamically from the procedure parameters.
24. Use dbms_sql to process query, cursor and value
25. Use dbms_sql.bind_variable to bind variable
26. dbms_sql.varchar2_table type variable
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