oracle pl/sql FORALL语句
我对这个程序感到困惑,请逐行解释任何一行,并且必须在所有循环中说明变量如何在那里迭代oracle pl/sql FORALL语句,oracle,plsql,Oracle,Plsql,我对这个程序感到困惑,请逐行解释任何一行,并且必须在所有循环中说明变量如何在那里迭代 DECLARE TYPE mysubs_type IS TABLE OF pls_integer INDEX BY pls_integer; TYPE mylist_type IS TABLE OF pls_integer INDEX BY pls_integer; mysubs mylist_type; mylist mylist_type; BEGIN mylist(2) := 2; m
DECLARE
TYPE mysubs_type IS TABLE OF pls_integer INDEX BY pls_integer;
TYPE mylist_type IS TABLE OF pls_integer INDEX BY pls_integer;
mysubs mylist_type;
mylist mylist_type;
BEGIN
mylist(2) := 2;
mysubs(10) := 2; -- point to mylist(2)
mylist(3) := 3;
mysubs(200) := 3; -- point to mylist(3)
mylist(6) := 6;
mysubs(30) := 6; -- point to mylist(6)
mysubs(40) := 3; -- point to mylist(3)
FORALL i IN VALUES OF mysubs
INSERT INTO mynum_table(my_list) VALUES(mylist(i));
END;
I
迭代bounds_子句
:中的值
,表示I
是mysubs
的元素,并将以非连续的方式迭代集合mysubs
。这里,在这种情况下是4次。关于mysubs
的索引:
- mysubs(10):2
- mysubs(30):6
- mysubs(40):3
- mysubs(200):3
2
6
3
3
为什么不直接开始阅读手册: