DROP TABLE TESTVARCHAR;
create table TESTVARCHAR
(
c1 VARCHAR2(4000 CHAR),
c2 VARCHAR2(4000 CHAR),
c3 VARCHAR2(4000 CHAR)
)
DECLARE
V1 VARCHAR2(32767);
BEGIN
FOR X IN 1..1000 LOOP
V1:=V1||'汉字ABC';
END LOOP;
/*实际 ...
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