用csscan扫描之后 lossy部分的数据怎么处理
环境:solaris oracle 10.2.0.4字符集从 gb2312转到zhsgbk
csscan 扫描结果如下:
Datatype Changeless Convertible Truncation Lossy
--------------------- ---------------- ---------------- ---------------- ----------------
VARCHAR2 4,762,852,154 75,748 0 649
CHAR 1,278,399 0 0 0
LONG 4,659 0 0 0
CLOB 3,883,615 0 0 11,047
VARRAY 1,575 0 0 0
--------------------- ---------------- ---------------- ---------------- ----------------
Total 4,768,020,402 75,748 0 11,696
Total in percentage 99.998% 0.002% 0.000% 0.000%
请问对于Lossy部分的数据怎么处理?
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