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echo + sqlplus 执行过程是怎样的？

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  •   snopy · Nov 2, 2016 · 1121 views
    This topic created in 3586 days ago, the information mentioned may be changed or developed.
    #数据入库

    tianqi=`cat /home/bonc/report_zx/Tourism_shell/temp_bak/sql2.txt`

    echo "$tianqi"|sqlplus -s 用户名 /密码

    想问下这里的 echo 所在行是怎样执行入库操作的
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