navicat key

Navicat Adding a foreign key detail procedure in MySQL/*** @author Blovedr* function: navicat add foreign key in MySQL * Date: June 21, 2018 22:42* Note: Learn the database MySQL point of record, thank you online the great God to share experience, welcome the great God of criticism and guidance and communication. */1.

Label:The following issues were encountered when developing a project with MYSQL+NAVICAT for SQL recently: 1. Default created database, Character set encoding: Latin1--cp1252 West European Garbled error when storing Chinese in database 2. Use Navicat to add foreign key constraints to the database, save, disappear after saving Solution: 1 There are 3 ways to so

Tags: mysqlUsage scenarios:1, the MySQL database administrator account only allows local login2. Application Connection account only allows the program to deploy the server to which the IP address is connectedImplementation method:The client tool connects to the MySQL database server with a password-free SSH key pair, and then logs on locally from the server via the database's corresponding account.1. Installing the SSH-related packageyum-y Install op

error 1005: Can't create table (errno: 121) Errno 121 means a duplicate key error. Probably the table already exists in the InnoDB internal data dictionary, though the. frm file for the table has been deleted. This isMost common reason for getting errno 121 in Table creation. Another possible reason is a name conflict in a foreign key constraint name. constraint names must be unique in a database, like

Detailed Navicat for MySQL shortcut key: Navicat main WindowNavicat main Window shortcut key generalNavicat General shortcut key Table DesignerNavicat Table Designer shortcut key table ViewerNavicat Table Viewer shortcut

Label:The view is always interpreted as a SELECT statement, and the view is typically used for queries that do not update the data of the table or view itself through the view, so the view does not need a primary key at all. I built a view of myself today View_test: Drop View if existsview_testCreate Viewview_test as Selecta.c1,a.c2, B.c1,b.c2, C.C1,C.C2, D.c1,d.c2 fromtable_a AJoinTeble_b B onA.c3=b.c3JoinTable_c C onB.c4=c.c4JoinTable_d D onC.c5=d.c

Tags: nbsp GPO body Blog Get simple technology share first step userReprint: http://blog.csdn.net/u013215018/article/details/54981216Now there are two tables, one is the roles table (the role table), the other is the Roleuser table (user role)Now I want to set the Roleid property in the Roleuser table to a foreign key, associating the Roleid property in the Roles table.Operation Steps:The first step:Step Two:A total of seven columns. A brief introduct

shortcut key Address Navicat Mac OS x EditionOption-cmd-z: Show Connection TreeCmd-i: Object InformationCMD-1: TableCMD-2: ViewCMD-3: Function or SQLite indexCmd-4:mysql or MariaDB events or SQLite triggersCMD-5: QueryCMD-6: Backup or Oracle data pumpCMD-7: PlanCMD-8: ModelCmd-l: Query Logctrl-shift-# (# for 0 to 9): Open the Object window from the Add Favorites listoption-cmd-.: Closing a database or schem

have been studying navicat recently. One of MySQL's GUI tools, I hope friends who are interested in this area can also communicate with me. Navicat What are the advantages of MySQL with its own tools. 1.MySQL GUI tools include:MySQL Query BrowserMySQL AdministratorMySQL Migration ToolkitMySQL System Tray Monitor MySQL Query Browser The main features of the introduction:(1) View the MySQL syntax statement sy

Database BASICS (II)-Navicat applications, database navicat I. MySQL Data Type 1. numeric type SMALLINT: 2 bytes INT: 4 bytes // age int (10) INTEGER: synonym for INT BIGINT: 8 bytes FLOAT: 4 bytes DOUBLE: 8 bytes // score float (10, 2) 2. String (character) Type CHAR: Fixed Length string sex char (2) // you can evaluate the length CHAR_LENGTH ('sss ') VARCHAR: Variable Length string name varchar (20) Altho

, select and tap open: Navicat.exe at this point, the following pop-up window, promptnavicat.exe - x64 -> Cracked., prompt has cracked (don't be happy, not finished). If promptedlibcc.dllornavicat.exeerror, check that Navicat Premium is not turned off, or go to the installation directorylibcc.dllandnavicat.exedelete it, and remove thelibcc.dll.BAKnavicat.exe.BAK.BAKsuffix name. Otherwise uninstall the installed

recently, in learning Navicat Premium This third-party software, he is a tripartite database Management software, I used this software to invoke the database on the server during my internship, but I decided to make a careful summary of the software that I had not looked at at the time. What does it do? Navicat Premium is a multi-connection database management tool that allows you to connect to MySQL, Ora

How does navicat connect to mysql? Detailed graphic tutorial on connecting navicat to mysql The latest version of navicat for mysql comes with a registration code. If it is already green, decompress it to any directory to run it. Navicat Premium is a multi-Connection database management tool that allows you to connect

Tags: decide to share name MySQL SDN cat processing data transfer Postgres recently, we are studying NAVICAT premium, a third-party software. He is a three-party database management software. I used this software to call the database on the server in the previous internship, just. There was no detailed study at that time. Encounter this software again. I decided to summarize it in detail. What does it do? Navi