OBJ# NAME DEFAULT$
---------- ----------------------------------------------------
83210 ID
83210 NAME
83210 TEL '13899999999'
--col$ 中变成了13899999999
SQL> selectutl_raw.cast_to_varchar2(dbms_lob.substr(BINARYDEFVAL)) AS TEL from sys.ecol$;
TEL
--------------------------------------------------------------------------------
13888888888
--注意这里,ecol$中的值并没有改变。
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