ORACLE SYS_REFCURSOR VS REF CURSOR CURSOR是强类型,SYS_REFCURSOR 是弱类型(类似C#的var)。 Cursor: View Code Sys_refcursor: declarecur sys_refcursor;beginopencurforselect'a's,1nfromdual;closecur;opencurforselect9nfromdual;--跟上面的游标类型不一致closecur;end;/...
There is no difference between using a type declared as REF CURSOR and using SYS_REFCURSOR , because SYS_REFCURSOR is defined in the STANDARD package as a REF CURSOR in the same way that we declared the type ref_cursor . ... type sys_refcursor is ref cursor; SYS_REFCURSOR was introduced...
ORACLE SYS_REFCURSOR VS REF CURSOR CURSOR是强类型,SYS_REFCURSOR 是弱类型(类似C#的var)。 Cursor: create or replace package pkg as cursor cur is select 1 n from dual; type tcur is ref cursor return pkg.cur%rowtype; end pkg;/--类型报错declare cur pkg.tcur;begin open cur for select 'a'...
ORACLESYS_REFCURSORVS REF CURSOR CURSOR是强类型,SYS_REFCURSOR是弱类型(类似C#的var)。Cursor:create or replace package pkg as cursor cur is select 1 n from dual; type tcur is ref cursor return pkg.cur%rowtype; end pkg;/--类型报错declare ...
Oracle中scott用户下创建存储过程: (注:从9i开始有了sys_refcursor这种类型,在以前的Oracle版本中需要使用REF CURSOR,并且还需放在一个程序包中) create or replace procedure sp_getdept (result out sys_refcursor) as begin open result for select * from dept; ...
Oracle中scott用户下创建存储过程: (注:从9i开始有了sys_refcursor这种类型,在以前的Oracle版本中需要使用REF CURSOR,并且还需放在一个程序包中) create or replace procedure sp_getdept (result out sys_refcursor) as begin open result for select * from dept; ...
Oracle中scott用户下创建存储过程: (注:从9i开始有了sys_refcursor这种类型,在以前的Oracle版本中需要使用REF CURSOR,并且还需放在一个程序包中) create or replace procedure sp_getdept (result out sys_refcursor) as begin open result for select * from dept; ...
ORACLE SYS_REFCURSOR VS REF CURSOR CURSOR是强类型,SYS_REFCURSOR 是弱类型(类似C#的var)。Cursor:create or replace package pkg as cursor cur is select 1 n from dual; type tcur is ref cursor return pkg.cur%rowtype; end pkg;/--类型报错declare ORACLE 转载 mob604756fb13b1 2021-04-26 16...