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MySQL statistical bill information (Part 2): data import and query

2022-07-01 12:52:00 【51CTO】

Last one  mysql Statistics of billing information ( On )：mysql Installation and client DBeaver Connection to use It introduces mysql5.7 Installation and client DBeaver Connection configuration , This article continues with an article , Introduce data import and query Export .

One 、excel Import

The import of data can be excel It can also be a guide library , Let me introduce excel Import the way

1. turn csv

take xlsx Format conversion to csv Pattern

2. transcoding

Use notepad Open and transcode as UTF-8

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3. Guide table

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take excel Import database

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next step

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Select mobile statement

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next step

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Report errors ：

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The reason for this error is unauthorized , Authorization is enough 

GRANT SELECT,INSERT,UPDATE,DELETE,CREATE,DROP ON zd.* TO [email protected]’%’ identified by ‘root’;

     
    
      
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4. Table view

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Table data viewing

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Two 、 Recover database

This section demonstrates restore Import data in database mode

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Select the... To import sql file , Perform import , Authorization is required before importing 

grant all privileges on `liuliangkafukuan`.* to 'loong576'@'%' identified by 'Loong576!'; 

     
    
      
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Perform import

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The import process may involve max_allowed_packet Numerical adjustment , Set up max_allowed_packet Higher value 

mysql> show global variables like 'max_allowed_packet'; 
mysql> set global max_allowed_packet=16777216;

     
    
      
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Refresh the view

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see yd_csv Table structure ：
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Move the full scale details ：

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3、 ... and 、 Move query statement

The query statement is based on restore Imported library table , It can also be imported excel, Here is an example of the former

1. Query statement 

select  liuliangkafukuan.yd_csv. Card number ,liuliangkafukuan.yd_csv.ICCID,liuliangkafukuan.yd_csv.`1 month ` ,liuliangkafukuan.yd_csv.`2 month `,liuliangkafukuan.yd_csv.`3 month `,liuliangkafukuan.yd_csv.`4 month `,liuliangkafukuan.yd_csv.`5 month `,liuliangkafukuan.yd_csv.`6 month `,liuliangkafukuan.yd_csv.`7 month `,liuliangkafukuan.yd_csv.`8 month `,liuliangkafukuan.yd_csv.`9 month `,liuliangkafukuan.yd_csv.`10 month `,liuliangkafukuan.yd_csv.`11 month `,liuliangkafukuan.yd_csv.`12 month `,liuliangkafukuan. Move the full scale details . branch office  from liuliangkafukuan.yd_csv join liuliangkafukuan. Move the full scale details  on liuliangkafukuan. Move the full scale details . Card number  = liuliangkafukuan.yd_csv. Card number   and liuliangkafukuan. Move the full scale details .ICCID = liuliangkafukuan.yd_csv.ICCID ;

     
    
      
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2. Query results

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3. Query result export

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Select the output directory and file name format

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Export as follows ：

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