declarev_empno scott.emp.empno%type; v_sal scott.emp.sal%type;cursorcur_empisselectt.empno, t.salfromscott.emp t;beginopencur_emp; loopfetchcur_empintov_empno, v_sal;exitwhencur_emp%notfound; dbms_output.put_line(v_empno||''||v_sal);endloop;closecur_emp;end;...
问错误PLS-00307:太多的“DEFINE_COLUMN”声明与执行DBMS_SQL.DEFINE_COLUMN时的调用匹配EN博主在昨天的...
c The ID of the cursor for the row that is being defined to be selected. position The relative position of the column in the row that is being defined. This first column in a statement has position 1. column The value of the column to define. The type of this value determines the ty...
The DEFINE_COLUMN_NUMBER procedure defines a DECFLOAT column or expression in the SELECT list that is to be returned and retrieved in a cursor. Syntax >>-DBMS_SQL.DEFINE_COLUMN_NUMBER--(--c--,--position--,--column--)->< Parameters ...
The DEFINE_COLUMN_CLOB procedure defines a CLOB column or expression in the SELECT list that is to be returned and retrieved in a cursor. Syntax DBMS_SQL.DEFINE_COLUMN_CLOB( c,position,column ) Parameters c An input argument of type INTEGER that specifies the cursor handle associated with ...