1. Create project
We use the console type project to test the insertion, deletion, update, query and other functions, create a console project, and use the command:
dotnet new console
dotnet add package FreeSql.Provider.Sqlite
dotnet add package FreeSql.Repository
2. Create a solid model
Posted by ubaldc36 on Sat, 18 Apr 2020 09:02:50 -0700
Mysql query questions, not only has a high exit rating, but also has a great impact on salary negotiation, so it plays an important role. 1. Almost all software test questions will have Mysql query exercises. Large companies with high salaries will select more excellent testers because of the number ...
Posted by kylevisionace02 on Wed, 04 Mar 2020 01:40:49 -0800
In this section, how to insert the crawled data into mysql database is discussed. The tools used are PyCharm and Navicat for MySQL or Navicat Premium
The crawled website is: http://books.toscrape.com/ , which is explained in many tutorials. Let's open navicat, create a new query, and create a table in the editor (using the dat ...
Posted by Salkcin on Sat, 04 Jan 2020 15:29:38 -0800
Recently, I learned to use Go language to operate MySQL database to add, delete, modify and query user data when I was doing the registration and login service. Now I summarize my personal learning experience as follows, and attach Code warehouse address Welcome to fork.
Software environment: Goland, Navicat for MySQL.
1, Realization ideas
Posted by Potatis on Sat, 04 Jan 2020 03:05:34 -0800
Link: https://pan.baidu.com/s/1knjoihbkmall6pn6e XW
Extraction code: iamy
’’"1 top five directors with the largest number of films"
import pandas as pd#Common tools for data analysis
from pyecharts import Pie#Pie chart
Posted by jeephp on Sun, 01 Dec 2019 08:20:31 -0800
This paper mainly introduces the following two points:
How to install Mysql8.0
2. Navicat to Mysql
How to install Mysql8.0
There are two ways to install Mysql:
Download official source directly (slower)
https://dev.mysql.com/get/mysql80-community-release-el7-1.noarch.rpm download RPM package
yum localinstall mysql80-community-relea ...
Posted by blear on Mon, 25 Nov 2019 09:05:02 -0800
Migration database is often encountered in work.If you use phpmyadmin to import, you can solve the problem if the database is too small. If it is too large, it will be troublesome. Either it will time out or the file is too large to import.So I chose to use Navicat For Mysql to copy the database
In this process, I often encounter a problem:
Posted by dannyb785 on Sat, 23 Nov 2019 09:28:42 -0800
The code snippet is as follows:
// startup server
ServerConnectionFactory sf = new ServerConnectionFactory();
server = new NIOAcceptor(NAME + "Server", system.getServerPort(), sf);
See how to do this, t ...
Posted by chen2424 on Wed, 19 Jun 2019 10:15:25 -0700
SELECT field1, field2,...fieldN table_name1, table_name2...
ORDER BY field1, [field2...] [ASC [DESC]]
Use the ORDER BY clause in PHP scripts
$dbhost = 'localhost:3306'; // mysql server host address
$dbuser = 'root'; // mysql username
$dbpass = '123456'; // mysql username passw ...
Posted by ijmccoy on Tue, 05 Feb 2019 03:15:17 -0800
Navicat for MySQL is familiar to all. For developers, table building, view building, development model, database synchronization (very commendable), batch tasks, direct generation of ER diagrams, etc.Navicat Premium is similar to a family bucket, which contains a variety of database connections, azure sql, aws, etc. It can be s ...
Posted by evilgenius on Sun, 20 Jan 2019 19:33:13 -0800