text字段存放的就是创建view的脚本
SQL> desc all_views;
名称 空? 类型
----------------------------------------- -------- ----------------------------
OWNER NOT NULL VARCHAR2(30)
VIEW_NAME NOT NULL VARCHAR2(30)
TEXT_LENGTH NUMBER
TEXT LONG
TYPE_TEXT_LENGTH NUMBER
TYPE_TEXT VARCHAR2(4000)
OID_TEXT_LENGTH NUMBER
OID_TEXT VARCHAR2(4000)
VIEW_TYPE_OWNER VARCHAR2(30)
VIEW_TYPE VARCHAR2(30)