• mysql——表的导出——用select……into outfile导出 xls文件和文本文件


    可以使用select……into  outfile导出txt、excel等格式的文件

    语法格式: select  [ 列名 ]  from  table  [ where  语句 ]  into  outfile  ‘目标文件’  [  option ];

    语句可以分为两个部分,前面是一个普通的select查询语句,通过这个语句查询处所需要的数据;

                                           后部分是导出数据导到哪里,以及导出数据的格式;

    ------------------------------------------------------------------------------------------------------------------------------------

    ‘目标文件’:指将查出的记录导出到哪个文件;

    option:有常用的5个选项,分别如下:

    fields  terminated  by  '字符串':设置字符串为字段的分隔符,默认值是‘ \t ’;

    fields  enclosed  by  '字符':设置字符来括上字段的值。默认情况下不使用任何符号;

    fields  optionally  enclosed  by  '字符':设置字符来括上char,varchar,text等字符型字段,默认情况下不使用任何符号;

    fields  escaped  by '字符':设置转义字符,默认值为“\”;

    lines  starting  by  '字符串':设置每行开头的字符,默认情况下无任何字符;

    lines  terminated  by  '字符串':设置每行的结束符,默认值是‘\n’;

    +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++

     

    select sx,mz,bz from cr01 into OUTFILE 'C:/Users/del/Desktop/a.txt'
    fields terminated by '、'optionally enclosed by '\"' lines starting by '\>' terminated by '\r\n';
    字段的分隔符 字符上加括号 开头 结尾换行



    PS:Windows下: \r\n 是换行

       

    ------------------------------------------------------------------------------------------------------------------------------

    前期数据准备:

    create table cr01 ( sx int(50),
                        mz varchar(50),
                        bz varchar(50)
                       );
    
    
    insert into cr01 ( sx,mz,bz ) values (1,'sww','sww01');
    
    insert into cr01 values (2,'aww','aww02');
    
    insert into cr01 values (3,'qww','qww03'),
                            (4,'eww','eww04'),
                            (5,'rww','rww05');
    
    insert into cr01 ( sx,mz,bz ) values (6,'yww','yww06'),
                                         (7,'uww','uww07');
    
    select * from cr01;

    单表导出为xls文件,导出到桌面:

         select sx,mz,bz from cr01 into OUTFILE 'C:/Users/del/Desktop/a.xls'

    示例:select * from cr01 where sx in (1,3,5,7) into OUTFILE 'C:/Users/del/Desktop/a.xls'

     

    ===========================================================================================

    create table employee ( num int(50),
                            d_id int(50),
                            name varchar(50),
                            age int(50),
                            sex varchar(50),
                            homeadd varchar(50)
                           );
    
    insert into employee values(1,1001,'zhangsan',26,'nan','beijing');
    insert into employee values(2,1001,'lisi',24,'nv','hunan');
    insert into employee values(3,1002,'wangwu',25,'nan','jiangsu');
    insert into employee values(4,1004,'aric',15,'nan','yingguo');
    
    select * from employee;
    
    create table department ( d_id int(50),
                              d_name varchar(50),
                              functione varchar(50),
                              address varchar(50)
                            );
    
    insert into department values(1001,'keyanbu','yanfachanpin','3lou5hao');
    insert into department values(1002,'shengchanbu','shengchanchanp','5louyiceng');
    insert into department values(1003,'xiaoshoubu','cehuaxiaoshou','1louxiaoshoudating');
    
    
    
    select * from employee;
    
    select * from department;

    ================================================================================================

    多表导出为xls文件:(左连接)

    select num,name,employee.d_id,age,sex,d_name,functione from employee left join department on employee.d_id = department.d_id
    into OUTFILE 'C:/Users/del/Desktop/a.xls';

     

    ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++

    右连接:

    select num,name,employee.d_id,age,sex,d_name,functione from employee right join department on employee.d_id = department.d_id;
    select num,name,employee.d_id,age,sex,d_name,functione from employee right join department on employee.d_id = department.d_id
    into OUTFILE 'C:/Users/del/Desktop/a.xls';

     

     

    ========================================================================

    导出文本文件:

    select sx,mz,bz from cr01 into OUTFILE 'C:/Users/del/Desktop/a.txt'
    fields terminated by '\、' optionally enclosed by '\“' lines starting by '\>' terminated by '\r\n';

     

    >1、“sww“、“sww01“
    >2、“aww“、“aww02“
    >3、“qww“、“qww03“
    >4、“eww“、“eww04“
    >5、“rww“、“rww05“
    >6、“yww“、“yww06“
    >7、“uww“、“uww07“

    =========================================================================================

    修改参数:

    select sx,mz,bz from cr01 into OUTFILE 'C:/Users/del/Desktop/a.txt'
    fields terminated by '\t'optionally enclosed by ' ' lines starting by ' ' terminated by '\r\n';
     1     sww      sww01 
     2     aww      aww02 
     3     qww      qww03 
     4     eww      eww04 
     5     rww      rww05 
     6     yww      yww06 
     7     uww      uww07 

    ++++++++++++++++++++++++++++++++++++++++++++++++++++++++

    select num,name,employee.d_id,age,sex,d_name,functione from employee left join department on employee.d_id = department.d_id
    into OUTFILE 'C:/Users/del/Desktop/a.txt'
    fields terminated by '\t'optionally enclosed by ' ' lines starting by ' ' terminated by '\r\n';

    ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++

    select num,name,employee.d_id,age,sex,d_name,functione from employee left join department on employee.d_id = department.d_id
    into OUTFILE 'C:/Users/del/Desktop/b.txt'
    fields terminated by '\t'optionally enclosed by ' ' lines starting by ' ' terminated by '\r\n';

     +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++

  • 相关阅读:
    线程的取消/撤销 (转)
    Linux 3.0发布有感(转)
    Linux下挂载与解除挂载U盘
    Ubuntu 中文编码设置
    Linux Kernel 3.0新特性概览(转)
    pthread_cond_wait()用法分析
    brk和sbrk及内存分配函数介绍
    [转]Vmware ESX 4上虚拟机 Redhat 5.2(CentOS 5.2)启动在Starting udev 停几个小时
    [贺]通过Oracle 10g OCP的三门考试
    [原]Oracle外部表结合游标完成统计一例
  • 原文地址:https://www.cnblogs.com/xiaobaibailongma/p/12107058.html
Copyright © 2020-2023  润新知