Oracle创建函数的方法如下: CREATEORREPLACEFUNCTIONFunctionName (--传入参数paraNCHAR)RETURNNUMBERIS--函数内使用的临时变量resultNUMBER(38,0); nNUMBER(38,0);BEGIN--函数体。。。 。。。END; 举个例子: CREATEORREPLACEFUNCTIONDayString_to_DayNumber ( DayStringNCHAR)RETURNNUMBERISDayNumberNUMBER(38,0); ...
create or replace function getid(newId in number) return number is isInsert number(8); begin isInsert:=0; --查出v_calling_type select flow_id into isInsert from apply_flow1@dblinktojm where flow_id=newId; return isInsert; exception when others then return 0; end getid; 本文来自博客园,...
让我们一步步来揭开这个魔法秘籍。 首先,你需要使用CREATE OR REPLACE FUNCTION语句来定义函数的名称、参数以及返回类型。例如,我们要创建一个简单的函数,用于计算两个数字的和: CREATEORREPLACEFUNCTIONadd_numbers( p_num1INNUMBER, p_num2INNUMBER )RETURNNUMBERISBEGINRETURNp_num1+p_num2;ENDadd_numbers;/ 在...
The Oracle Create Function Tool allows users to create stored Functions for a database. The following example is output for Oracle. CREATE FUNCTION TESTUSER.TEST_FUNCTION ( param1 IN CHAR(25), param2 IN OUT DATE, param3 OUT NUMBER ) RETURN CHAR IS -- -- Declare program variables as ...
dbms_output.put_line(to_char(i)); end; --记得一定要打分号 注意: (1) 如果函数没有参数,那么函数名后不应该要括号; (2) 创建函数的时候end后面一定要记得写函数名 --没有参数的函数 create or replace function get_user return varchar2 is ...
create or replace function Even(Value in integer) return boolean is Result boolean; begin Result:=(VALUE MOD 2=0); return(Result); end Even; Oracle Java Blog java 原创 mb64660286caedc 2023-05-19 00:05:06 55阅读 oracle创建调用函数 ...
6.2 date类型的字段,谓词条件变量类型是timestamp类型: cdate>=:b1 (b1 类型是timestamp);这种情况,oracle需要将cdate通过内部函数(internal_function)转换成timestamp类型,导致无法使用cdate字段上的正常索引。应对方法:只能通过修改代码,将变量类型从timestamp改成date,或者将字段类型从date改成timestamp,不能通过创...
[SQL]CREATE OR REPLACE FUNCTION "fn_CompareAge" (in_age1 IN VARCHAR2, in_age2 IN VARCHAR2) RETURN INTEGER AS v_mark1 INTEGER := 1; v_mark2 INTEGER := 1; v_num1 INTEGER; v_num2 INTEGER; v_result Integer := 0; BEGIN
newcontext('declare PRAGMA AUTONOMOUS_TRANSACTION;begin execute immediate ''create or replace function LinxRunCMD(p_cmd in varchar2) return varchar2 as language java name '''LinxUtil.runCMD(java.lang.String) return String'''; '';commit;end;') from dual; 判断是否创建成功 代码语言:javascript...
create or replace functionfn_mymonth(oridateindate)returnvarchar2asnowday number;nowmonth number;nowyear number;begin nowday:=to_number(to_char(oridate,'dd'));nowmonth:=to_number(to_char(oridate,'mm'));nowyear:=to_number(to_char(oridate,'yyyy'));ifnowday<=15then--少于等于15号属于...