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WLAN下配置双链路冷备
实验背景 企业内网无线终端数量越来越多，为了保证无线业务的稳定性，作为网络工程师的你决定采购一台AC，部署双链路冷备技术，与原有的AC进行主备备份，提高无线业务的可靠性 组网介绍 设备连接方式如图所示，AC1为主AC、AC2为备AC，AP分别与主、备AC建立CAPWAP隧道，AP与主、备AC之间定期Django中读取数据的一些学习
Django中读取数据的一些学习 关于元组的读取 当我们在写数据库架构时，我们需要考虑数据库内存，而经常的操作是，比如对于gender，固定值一般为男、女，但是一直写男女中文字符过于占内存在utf-8中，于是我们经常采用元组来存储男女 如下： class UserInfo(models.Model): """ 员工表 ""Mysql数据库练习(一)
一、Windows连接数据库 二、MySQL数据库练习 -- 创建数据库 create database mydb2 charset utf8; -- 使用数据库 use mydb2; -- 创建课程表 CREATE TABLE course ( cs_id int(11) NOT NULL COMMENT '课程编号', cs_name varchar(50) NOT NULL COMMENT '课程名称', cs|NO.Z.00004|——————————|BigDataEnd|——————————————————————————————————————————————————————————————————
NO：===============================END===============================Walter Savage Landor:strove with none,for none was worth my strife.Nature I loved and, next to Nature, Art:I warm'd both hands before the fire of life.It sinks, and I am ready to depmp配合mybatis注解实现多表查询
接上篇 实体类 @Data @AllArgsConstructor @NoArgsConstructor @TableName("tbl_user") public class User implements Serializable { @TableId private Long id; private String username; private String address; private Integer departid必备MYSQL语法--映射
1获取指定列（基础） select id ,name from info; #info :数据表，=》取出指定列的数据select id ,name as NM from info; #取出id，名字将列名命名为NM select id ,name as NM ,132 from info #取出id，名字将列命名为NM，增加123列并以123命名； 2.获取指定列（嵌套查询） selec|NO.Z.00074|——————————|BigDataEnd|———————————————————————————————————————————————————————————
NO：===============================END===============================Walter Savage Landor:strove with none,for none was worth my strife.Nature I loved and, next to Nature, Art:I warm'd both hands before the fire of life.It sinks, and I am ready to dep|NO.Z.10000|——————————|BigDataEnd|———————————————————————————————————————————————————————————
NO：===============================END===============================Walter Savage Landor:strove with none,for none was worth my strife.Nature I loved and, next to Nature, Art:I warm'd both hands before the fire of life.It sinks, and I am ready to dep|NO.Z.00078|——————————|BigDataEnd|———————————————————————————————————————————————————————————
NO：===============================END===============================Walter Savage Landor:strove with none,for none was worth my strife.Nature I loved and, next to Nature, Art:I warm'd both hands before the fire of life.It sinks, and I am ready to dep|NO.Z.10000|——————————|BigDataEnd|———————————————————————————————————————————————————————————
NO：===============================END===============================Walter Savage Landor:strove with none,for none was worth my strife.Nature I loved and, next to Nature, Art:I warm'd both hands before the fire of life.It sinks, and I am ready to dep|NO.Z.00047|——————————|BigDataEnd|———————————————————————————————————————————————————————————
NO：===============================END===============================Walter Savage Landor:strove with none,for none was worth my strife.Nature I loved and, next to Nature, Art:I warm'd both hands before the fire of life.It sinks, and I am ready to dep|NO.Z.00000|——————————|BigDataEnd|———————————————————————————————————————————————————————————
NO：===============================END===============================Walter Savage Landor:strove with none,for none was worth my strife.Nature I loved and, next to Nature, Art:I warm'd both hands before the fire of life.It sinks, and I am ready to dep|NO.Z.00084|——————————|BigDataEnd|———————————————————————————————————————————————————————————
NO：===============================END===============================Walter Savage Landor:strove with none,for none was worth my strife.Nature I loved and, next to Nature, Art:I warm'd both hands before the fire of life.It sinks, and I am ready to dep|NO.Z.00039|——————————|BigDataEnd|———————————————————————————————————————————————————————————
NO：===============================END===============================Walter Savage Landor:strove with none,for none was worth my strife.Nature I loved and, next to Nature, Art:I warm'd both hands before the fire of life.It sinks, and I am ready to dep|NO.Z.00059|——————————|BigDataEnd|———————————————————————————————————————————————————————————
NO：===============================END===============================Walter Savage Landor:strove with none,for none was worth my strife.Nature I loved and, next to Nature, Art:I warm'd both hands before the fire of life.It sinks, and I am ready to dep|NO.Z.00030|——————————|BigDataEnd|———————————————————————————————————————————————————————————
NO：===============================END===============================Walter Savage Landor:strove with none,for none was worth my strife.Nature I loved and, next to Nature, Art:I warm'd both hands before the fire of life.It sinks, and I am ready to dep|NO.Z.10000|——————————|BigDataEnd|———————————————————————————————————————————————————————————
NO：===============================END===============================Walter Savage Landor:strove with none,for none was worth my strife.Nature I loved and, next to Nature, Art:I warm'd both hands before the fire of life.It sinks, and I am ready to dep|NO.Z.00093|——————————|BigDataEnd|———————————————————————————————————————————————————————————
NO：===============================END===============================Walter Savage Landor:strove with none,for none was worth my strife.Nature I loved and, next to Nature, Art:I warm'd both hands before the fire of life.It sinks, and I am ready to dep|NO.Z.00000|——————————|BigDataEnd|———————————————————————————————————————————————————————————
NO：===============================END===============================Walter Savage Landor:strove with none,for none was worth my strife.Nature I loved and, next to Nature, Art:I warm'd both hands before the fire of life.It sinks, and I am ready to dep|NO.Z.10000|——————————|CloudNative|
NO： Walter Savage Landor:strove with none,for none was worth my strife.Nature I loved and, next to Nature, Art:I warm'd both hands before the fire of life.It sinks, and I am ready to depart|NO.Z.00303|——————————|CloudNative|———————————————————————————————————————————————————————————
NO：===============================END===============================Walter Savage Landor:strove with none,for none was worth my strife.Nature I loved and, next to Nature, Art:I warm'd both hands before the fire of life.It sinks, and I am ready to dep|NO.Z.00169|——————————|CloudNative|———————————————————————————————————————————————————————————
NO：===============================END===============================Walter Savage Landor:strove with none,for none was worth my strife.Nature I loved and, next to Nature, Art:I warm'd both hands before the fire of life.It sinks, and I am ready to dep|NO.Z.10000|——————————|CloudVirtualiZation|—————————————————————————————————————————————————————————
NO：===============================END===============================Walter Savage Landor:strove with none,for none was worth my strife.Nature I loved and, next to Nature, Art:I warm'd both hands before the fire of life.It sinks, and I am ready to dep|NO.Z.10000|——————————|LinuxShell|———————————————————————————————————————————————————————————
NO：===============================END===============================Walter Savage Landor:strove with none,for none was worth my strife.Nature I loved and, next to Nature, Art:I warm'd both hands before the fire of life.It sinks, and I am ready to dep【django入门】 14 网页关联MySQL“多”字段表（增）
原始方式新增 使用select与option，控制下拉输入“男”、“女” 注意class = "..."写入select中，option保持干净 注意“男”对应value “1”，“女”对应value “2” 下拉输入“男”、“女”的升级写法 将models.py中的【元祖gender_choices元祖】传入views.py（字典“context”