导入数据库：
dimp V8
start dimp: SYSDBA/******@192.168.44.232:5236 DIRECTORY=D:\Projects\db FILE=imp_exp_20250226105528.dmp SCHEMAS="USERCENTER2" IGNORE=N COMPILE=Y INDEXFIRST=N TABLE_FIRST=N COMMIT_ROWS=5000 FAST_LOAD=N LOG=imp_imp_exp_20250226105528_dmp_20250226110103.log LOG_WRITE=N dummy=N
本地编码：PG_GBK, 导入文件编码：PG_GB18030

[警告]无效的对象：USERCENTER2
[0/1082]整个导入过程共花费 0.002 s

成功终止导入, 但出现警告