今天,写存储过程时写成了:if...then...else if...else...end if.能编译通过,但是有问题,后来实在是找不到问题怀疑写错了这个语句,后来在网上查了一下,结果不是else if 而是elsif.改过来后就正常了。 Oracle/PLSQL: IF-THEN-ELSE Statement There are three different syntaxes for these types of statemen...
Syntax #2: IF-THEN-ELSE IF condition THEN {...statements...} ELSE {...statements...} END IF; Syntax #3: IF-THEN-ELSIF IF condition THEN {...statements...} ELSIF condition THEN {...statements...} ELSE {...statements...} END IF; Here is an example of a function that uses t...
END IF; END; /结果: X is not less than 10 PL/SQL procedure successfully completed C:IF - ELSIF - ELSE 语句 基本语法: 程序代码 IF THEN ELSIF THEN ELSIF THEN ELSE END IF; Example: 程序代码 set serveroutput on DECLARE x NUMBER(3) := 47; BEGIN ...
11、请看下面的PL/SQL程序的IF-ELSIF-ELSE判断结构 IFv_num> 5 THEN v_example:= 1; ELSIFv_num> 10 THEN v_example:= 2; ELSIFv_num< 20 THEN v_example:= 3; ELSIFv_num< 39 THEN v_example:= 4; ELSEv_example:= 5; END IF; 如果V_NUM的值为37,请问V_EXAMPLE将赋值为() A、1B、2...
--if语句 ---取出7369的薪水,如果<1200 则输出'low' 如果<2000则输出'middle' 否则'high' declare v_sal emp.sal%type; begin select sal into v_sal from emp where empno=7369; if(v_sal<1200) then dbms_output.put_line('low'); elsif(v_sal<2000) then---注意是elsif不是else if ...
if condition1 then execu1 elsif condition2 then execu2 else execu3 end if; end; 1. 2. 3. 4. 5. 6. 7. 循环 Oracle 中有三种循环方式: 这里:loop declare -- 声明循环变量 v_num number := 1; begin loop exit when v_num > 10; -- 退出条件 ...
24、R,NAMEVARCHAR2(20),addrVARCHAR2(30),ORDERMEMBERFUNCTIONmatch(ccustomer)RETURNINTEGER);CREATETYPEBODYcustomerASORDERMEMBERFUNCTIONmatch(ccustomer)RETURNINTEGERISBEGINIFID<c.IDTHENRETURN-1;-anynegativenumberwilldoELSIFID>c.IDTHENRETURN1;-anypositivenumberwilldoELSERETURN0;ENDIF;END;END;每个ORDER方法 25...
IF (status) { printf ("Daemon error while responding to system command."); printf(" status: %d\n", status); } } ELSE IF (!strcmp((char *) command.arr, "SQL")) { EXEC SQL EXECUTE BEGIN DBMS_PIPE.UNPACK_MESSAGE(:return_name); DBMS_PIPE.UNPACK_MESSAGE(:value); END; END-EXEC; ...
table $123B.123 tableC.table123D.Table_1238.判断IF语句IF v_numELSIF v_numELSIF v_num20 THEN v_example:= 3;ELSIF v_num35 THEN v_example:=4;ELSE v_example:=5;END IF如果v_num是37,值()将 4、被赋值给v_exampleA.1B.2C.3D.49.判断IF语句IF a10 THEN b:=0;ELSE IF a5 THEN b:...
If all else fails, deinstall and reinstall PL/SQL. In some cases, this was the only solution that worked. If alter compile is not compiling package and the error is "identifier ... must be declared", try copying relevant files from CD and retry. For Example: Say you were not able to...