SP2-0678: Column or attribute type can not be displayed by SQL*Plus
2015-05-10 16:12
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在Oracle10g及以前版本的sqlplus中，不能直接显示blob或者bfile类型的数据：
SQL> create table t(b blob);
Table created.
SQL> insert into t values('1');
1 row created.
SQL> select * from t;
SP2-0678: Column or attribute type can not be displayed by SQL*Plus
Oracle11g中，sqlplus的这个限制已经取消，可以在sqlplus中直接显示blob和bfile类型的数据：
SQL> create table t(b blob);
Table created.
SQL> insert into t values('1');
1 row created.
SQL> select * from t;
B
-----------------
1
SQL> create table t(b blob);
Table created.
SQL> insert into t values('1');
1 row created.
SQL> select * from t;
SP2-0678: Column or attribute type can not be displayed by SQL*Plus
Oracle11g中，sqlplus的这个限制已经取消，可以在sqlplus中直接显示blob和bfile类型的数据：
SQL> create table t(b blob);
Table created.
SQL> insert into t values('1');
1 row created.
SQL> select * from t;
B
-----------------
1
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