必須以SYSDBA的身份登錄,否則創建時會報錯
sqlplus system/wangkong@orcl as SYSDBA
存儲過程的代碼如下:
-- 對普通用戶進行授權
CREATE OR REPLACE PROCEDURE GET_GNCDB5_SIZE(db_name IN VARCHAR2, db_size OUT NUMBER, db_free OUT NUMBER)
AS
BEGIN
BEGIN
SELECT ROUND(SUM(BYTES)/(1024 * 1024), 0) total INTO db_size FROM SYS.DBA_DATA_FILES WHERE TABLESPACE_NAME=db_name GROUP BY TABLESPACE_NAME;
SELECT ROUND(SUM(BYTES)/(1024 * 1024), 0) free INTO db_free FROM SYS.DBA_FREE_SPACE WHERE TABLESPACE_NAME=db_name GROUP BY TABLESPACE_NAME;
EXCEPTION
WHEN OTHERS THEN
db_size := 0;
db_free := 0;
END;
-- dbms_output.put_line('db_size='||db_size||', db_free='||db_free);
END;
/
-- 對存儲過程進行授權
GRANT EXECUTE ON GET_GNCDB5_SIZE TO PUBLIC;
CREATE OR REPLACE PUBLIC SYNONYM GET_GNCDB5_SIZE FOR GET_GNCDB5_SIZE;
GRANT ALL ON GET_GNCDB5_SIZE to PUBLIC;
退出sqlplus,以普通用戶的身份重新登錄SQLPLUS,進行測試:
SQL> VAR DB_SIZE NUMBER;
SQL> VAR DB_FREE NUMBER;
SQL> exec get_gncdb5_size('GNCDB5', :DB_SIZE, :DB_FREE);
PL/SQL 過程已成功完成。
SQL> PRINT :DB_SIZE
DB_SIZE
----------
100
SQL> PRINT :DB_FREE
DB_FREE
----------
93
SQL>