1. Use a cursor to create a stored procedure SQL: createPROCEDUREdaily_max_avg_online () BEGINdeclaremax_onlineint; declareavg_onlineint; declaretimeTIMESTAMP; declar 1. Use a cursor to create a stored procedure
SQL creation:
create PROCEDURE daily_max_avg_online()BEGINdeclare max_online int;declare avg_online int;declare time TIMESTAMP;declare cur cursor for select MAX(online_num),round(avg(online_num)),DATE_FORMAT(statistical_time ,'%y-%m-%d') from real_time_online_statistics group by DATE_F
Label:Navicat is A visual interface tool for MySQL, which is very intuitive to use. The following is the use of Navicat. The first step is to install Mysql : 1, in Baidu search download Mysql, to download; Or go directly to orcal 's website for download,http://dev.mysql.com/downloads/
connect to the MySQL server from the host whose IP address is 192.168.1.6, and use password as the passwordGrant all privileges on *. * To 'loginname' @ '192. 168.1.6 'identified by 'Password' with grant option;I used the first method. I first found that it could not work. I checked it online and executed one less statement mysql> flush rivileges.Make the modification take effect.But is there an error in e
Label: [Turn]ubuntu Navicat for MySQL installation and hack solution First Officer online download Linux version: Https://www.navicat.com.cn/download/navicat-premium 1. Download the navicat112_premium_cs_x64.tar.gz file 2. Unzip the tar file after downloading Tar-zxvf/home/wilbur/download/navicat112_premium_cs_x64.tar.gz 3. After decompression, enter the extracte
Tags: http system permissions Avoid simple sel def open alt ESSNavicat Remote connection to MySQLI believe that everyone has to develop on the remote server, where MySQL usage should also be very high, if using Navicat and other visual tools to operate the remote database is a good choice, avoid the command line to write SQL statements operations. The following is a brief introduction to the operation of
Tags: span installation package serve Rod Nload ubunt ref x64 OneFirst, install Navicat: official website1. Download the installation package
wget https://www.navicat.com.cn/download/direct-download?product=navicat_premium_cs_x64.tar.gzlocation=1
2. Decompression
Tar-zxvf/home/wilbur/download/navicat112_premium_cs_x64.tar.gz
3, enter the Navicat directory, using VIM will be start
Database backup is becoming more and more important today because of the high speed development of modern computers, programmers tend to neglect backup data because they don't pay attention to it, which leads to the loss of data, which results in very serious consequences. Scheduled backup is undoubtedly the best way to solve the backup, this article mainly uses Navicat to get back to the database and create related scheduled tasks.(i) Use
How to Use navicat for mysql to connect to a local database and import data files
How to Use navicat for mysql to connect to a local database and import data files1. Introduction
Navicat for mysql is a database management tool des
Tag: Failed color Strong Sha Description Pen nbsp Success CosFirst, the situation description:Native environment MacOS 10.13.6MySQL version 8.0.12MySQL installed successfully, and the command line successfully ran trying to connect the Nawicat times wrong,2059 - ' Caching_sha2_password ' cannot be loaded:dlopen (. / Frameworks/2image not foundBecause the authentication plug-in cannot be loadedSecond, the solution:1) Enter the System preferences, click on MyS
Connection between MySQL and Navicat
I recently used the MySQL database in the Struts project. Based on my previous experiences in BS and CS projects, I had to install MySQL first and thought of the embarrassment of installing sqlserver, but this time, the instructor told me that you only need to extract the
Navicat creates an index for mysql Navicat
The purpose of bitsCN.com indexing is to greatly improve query efficiency and read/write efficiency.
Kettle inserts data into the SQL statement. indexes must be created during the update, which greatly improves the processing time.
However, when an index is created, the following error occurs: Specified key was too long;
1, first open navicat for Mysql;2, open the interface as shown, double-click the connection localhost_3306;3, after the connection localhost_3306 into green, as shown;4, select any of the following databases, right-click, select New Database;5, pop up the new database, enter the database name, select Character Set GBK (but I tried to default, gb2312, ASCII did not appear to be the problem), click the "OK" b
Navicat is an even required development tool. It provides the latest automatic prompts and is easy to use for SQL formatting.
I tested Navicat 9.1.11 today and can use the registration code.
:Chinese version Navicat mysql 9.x
Http://download2.navicat.com/download/navicat091_mysql_cs.exe
Http://download2.navicat.com/d
Later, after referring to the documents on the Internet, the MYSql database on the server was connected through Http. Record:
First download the latest version of NaviCat from the NaviCat official website (www.NaviCat.com.cn ).
After the installation is complete, open NaviCat, as shown in:
Click Connect in the upper
Navicat is the most powerful MySQL user interface development and management tool in the world!
2008.07.02
Since its development, navicat MySQL management tools have been downloaded for over 1.1 million times. Currently, navicat has been hailed as the leading market and
Tags: mysql navicat for MySQL LinuxFirst look at the MySQL error log: cd /usr/local/mysql/var/
tail VM_79_224_centos.errThe log name may be different, depending on the actual situationOpen to see an error similar to the following:110617 14:04:10 [Warning] IP address ‘19.200
Tags: database mysql database management tool SQLHow to use Navicat for MySQL to connect to a local database and import data files1. IntroductionNavicat for MySQL is a database management tool designed to simplify, develop, and manage MySQL. We can use
authorization work. Give you a username and password, you can connect on it.4.MYSQL Backup command Line Operations# Backup: Data table structure + data mysqdump-u root db1 > db1.sql-p# Backup: Data table structure mysqdump-u root-d db1 > db1.sql-p# Import existing data to a database # # # first create a new Database db10;# 2. Import an existing database file into the DB10 database mysqdump-u root-d DB10 Second, the basic use of visual Tools NavicatTh
Navicat is a powerful MySQL database management and development tool. Navicat provides professional developers with a powerful enough cutting-edge tool, but it is still easy to learn for new users.
Navicat 9.0.15 provides the following features:
-Form view (new)
-Virtual group (new)
-Automatic completion code (new)
Tags: navicat for MySQL
Export DatabaseOpen the Navicat, right-click on the data we want to go around, then click "Dump SQL File" on the shortcut menu that pops up, and select the first "data and Structure" in the submenu item that pops up again.
650) this.width=650; "src=" Https://s3.51cto.com/wyfs02/M01/08/38/wKiom1neKQTT3jdaAAFwdspttjY232.png "ti
The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion;
products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the
content of the page makes you feel confusing, please write us an email, we will handle the problem
within 5 days after receiving your email.
If you find any instances of plagiarism from the community, please send an email to:
info-contact@alibabacloud.com
and provide relevant evidence. A staff member will contact you within 5 working days.