我想知道要读懂以下内容,应该学习ORACLE的那些相关内容呢? IS TYPE V_CUR IS REF CURSOR;
T_REC_jdgrslt tq_jdgrslt%ROWTYPE;
PROCEDURE P_REFER ( P_DCS_TIME_FROM IN VARCHAR2 ,P_DCS_TIME_TO IN VARCHAR2 ,P_SMP_NO IN VARCHAR2 ,P_CUR OUT V_CUR );
PROCEDURE P_GET_INFO ( P_PLATE_ID IN VARCHAR2 ,P_E_CODE OUT NUMBER ,P_E_MSG OUT VARCHAR2 );
PROCEDURE P_MODIFY ( ITYPE IN VARCHAR2 ,P_PROD_NO IN TQ_JDGRSLT.PROD_NO%TYPE DEFAULT NULL ,P_CTOS_STL_GRD IN TQ_JDGRSLT.CTOS_STL_GRD%TYPE DEFAULT NULL ,P_CTOS_STD_SPEC IN TQ_JDGRSLT.CTOS_STD_SPEC%TYPE DEFAULT NULL ,P_APP_DGR IN TQ_JDGRSLT.APP_DGR%TYPE DEFAULT NULL ,P_CHEM_DGR IN TQ_JDGRSLT.CHEM_DGR%TYPE DEFAULT NULL ,P_MTAL_DGR IN TQ_JDGRSLT.MTAL_DGR%TYPE DEFAULT NULL ,P_PROD_DGR IN TQ_JDGRSLT.PROD_DGR%TYPE DEFAULT NULL ,p_WOO_RSN in TQ_JDGRSLT.WOO_RSN%TYPE DEFAULT NULL ,P_EMP_ID in VARCHAR2 ,P_E_CODE OUT NUMBER ,P_E_MSG OUT VARCHAR2 ); PROCEDURE P_ONEROW ( p_SCHEDULE_ID IN VARCHAR2 ,P_CUR OUT V_CUR ); PROCEDURE P_REFER3 ( P_PROD_NO IN TQ_JDGRSLT.PROD_NO%TYPE DEFAULT NULL ,P_CUR OUT V_CUR ); END Pkg_QTTIC;