Non-Query DML and DDL Statements : dbms_sql « System Packages « Oracle PL / SQL






  1. Oracle PL / SQL
  2. System Packages
  3. dbms_sql

Non-Query DML and DDL Statements

  
SQL>
SQL> CREATE TABLE lecturer (
  2    id               NUMBER(5) PRIMARY 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);

1 row created.

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

1 row created.

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

1 row created.

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

1 row created.

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

1 row created.

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

1 row created.

SQL>
SQL>
SQL> CREATE OR REPLACE PROCEDURE DeleteMajor(
  2    p_Major       IN lecturer.major%TYPE,
  3    p_RowsDeleted OUT INTEGER) AS
  4
  5    v_CursorID   INTEGER;
  6    v_DeleteStmt VARCHAR2(100);
  7  BEGIN
  8    v_CursorID := DBMS_SQL.OPEN_CURSOR;
  9
 10    v_DeleteStmt := 'DELETE FROM lecturer WHERE major = :m';
 11
 12    DBMS_SQL.PARSE(v_CursorID, v_DeleteStmt, DBMS_SQL.V7);
 13
 14    DBMS_SQL.BIND_VARIABLE(v_CursorID, ':m', p_Major);
 15
 16    p_RowsDeleted := DBMS_SQL.EXECUTE(v_CursorID);
 17
 18    DBMS_SQL.CLOSE_CURSOR(v_CursorID);
 19  EXCEPTION
 20    WHEN OTHERS THEN
 21      DBMS_SQL.CLOSE_CURSOR(v_CursorID);
 22      RAISE;
 23  END DeleteMajor;
 24  /

Procedure created.

SQL>
SQL> drop table lecturer;

Table dropped.

SQL>








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.Use DBMS_SQL with the RETURNING clause.
9.DBMS_SQL.NATIVE;
10.DBMS_SQL.PARSE and DBMS_SQL.EXECUTE
11.Dynamic sql statement with variable binding
12.Dynamic select statement and row fetch
13.Execute PL/SQL block
14.DBMS_SQL package: dynamic SQL
15.Pass where clause to a stored procedure
16.Executing Queries and use DBMS_SQL.COLUMN_VALUE to map value
17.Executing PL/SQL Blocks and use BIND_VARIABLE to bind variable
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