any passwords that last 6 passwords or passwords exceed 365 days, put these lines in your server my.cnf file:[Mysqld]Password_history=6password_reuse_interval=365To set up and save the configuration dynamically, use the following statement:SET PERSIST password_history = 6;SET PERSIST password_reuse_interval = 365;2. MySQL8.0 Role ManagementThe MySQL role is a specified set of permissions. Like a user account, a role can have permissions to grant and revoke. You can grant the user account role t
RolesDba_scheduler_job_roles all SCHEDULER jobs on the database by database roleUser_role_privs Roles granted to current userRole_role_privs Roles which is granted to RolesRole_sys_privs System privileges granted to rolesRole_tab_privs Table privileges granted to rolesSession_roles ROLES which the user currently has enabled.TABLE_NAME COMMENTS------------------- -------------------------------------Dba_aq_agent_privsDba_col_privs all grants on column
Create user drop users lztest4 cascade;create user Lztest4 identified by lztest123;alter user Lztest4 default Tablespace common_cab Le;grant Connect, resource,dba to Lztest4;drop user lztest3 cascade;create user lztest3 identified by Lztest123;alte R user lztest3 default tablespace common_cable;grant Connect, resource,dba to lztest3; set up users drop user lztest8 cascade; Create user Lztest8 identified by lztest123;alter user Lztest8 default tablespace common_cable;grant Connect, RESOURCE,DBA T
question has been raised since the introduction of the Macintosh computer in 1984. The Macintosh has introduced two revolutionary concepts to the main streamcompute: The character bodies stored in Ram; and worldscript ). However, this is only a flip made by Xerox Corporation, on its dandelion series host, these techniques are used in the form of the star character processing system. However, the Macintosh has brought these new character sets and font
Table Permission Description:On * *: Administrator privileges, any database can be manipulatedOn db_name.*: Specifies that only one library has permission to operate on a libraryOn Db_name.tables_name: Specifies that a table in one library has permission to operateOn db_name.routine_name: Specifies a stored procedure or storage function for a library5.2. Use the command Show grants command to view permissionsSQL [(None)]> show
following commandsGRANT ALL ON db1.* TO ‘jeffrey‘@‘localhost‘ IDENTIFIED BY ‘mypass‘;9.8.2 creating a user with the grant command and authorizingThe simple syntax for the 1.Grant command is as followsGrant all privileges on dbname.* to [emailprotected] identified by ‘passwd’;2. List description3. Case: Create user Zhangsan, have all permissions on test library, allow login from localhost host to manage database, password is zhangsan123.The specific command to implement the above actions ismysql
;//grant Zhangsan user the right to create a session, that is, login permissions
Grant Unlimited session to zhangsan;//grants Zhangsan users permission to use the table space
Grant CREATE TABLE to zhangsan;//grants permission to create tables
Grante drop table to zhangsan;//grant permission to delete a table
Grant Insert table to zhangsan;//permission to insert Table
Grant Update table to zhangsan;//permiss
The RIP Routing protocol (Routing Information Protocols) is the most widely used distance vector protocol. It was developed by Xerox in 1970s. At that time, RIP was part of the Xerox Network Service (Xerox Network Service) protocol cluster. The TCP/IP version of RIP is the license version of Xerox protocol. The biggest
core program with bash, GCC and other tools, but not enough, he hoped that the program can get some suggestions for changes, This core program can be run on Intel's 386 machine. Provided at the same time. This makes a lot of people interested, since then began the Linux extraordinary distance.Linux Version BranchLinux Application Areas1. Enterprise Server-Enterprise2. Embedded-mobile phone, personal digital assistant (PDA), consumer electronics, aerospace and other fields3. Desktop-PC4. OtherAn
routing algorithms into DV and LS. The DV (distance, Distance Vector) algorithm transmits the route information of the current router to the adjacent router. The adjacent router adds the information to its route table. The LS (link state) algorithm transmits the link state information to all routers in the domain, and the receiving router uses this information to build a network topology, the shortest path Priority Algorithm in graph theory is used to determine the route. In contrast, the Dista
together to increase human knowledge, this is part of life. Richard Stallman experienced deep pain. In 1970s, when Xerox (Xerox) sent an image laser printer to the AI lab, it was found that only on the ninth floor of the AI Lab, to locate the location. All people in the building need to give instructions on their computers to ask the printer to help you. The printing speed is satisfactory, but sometimes th
1. Introduction
First invented by Xerox (Xerox).
If Windows is in the "Wintel standard" way, because you can use the mouse to click on the button to operate, very intuitive. DOS does not have a GUI, so he can only enter commands. This interface of DOS is called the cui (command line User Interface) command-line mode of the human-computer interface.
GUI is the abbreviation of graphical user Interface, tha
You can use create user or grant to create a user, which is also assigned relevant permissions. Revoke is used to delete user permissions and drop user to delete accounts.
$ Mysql-u root-ppassword: mysql> Create Database test; # create database query OK, 1 row affected (0.00 Sec) mysql> show databases; # Check whether the database is successfully created + ------------------ + | database | + -------------------- + | information_schema | MySQL | test | + ------------------ + 3 rows in SET (0.00 S
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You can use create user or grant to create a user, which is also assigned relevant permissions. Revoke is used to delete user permissions and drop user to delete accounts.
$ Mysql-u root-ppassword: mysql> Create Database test; # create database query OK, 1 row affected (0.00 Sec) mysql> show databases; # Check whether the database is successfully created + ------------------ + | database | + -------------------- + | information_schema | MySQL | test |
TestDB to [e-mail protected] ' 192.168.0.10 ' identified by ' dbapasswd ';OrGrant all on TestDB to [e-mail protected] ' 192.168.0.10 ' identified by ' dbapasswd ';//Open Manage permissions for database-specific tables (testdb.table1) in MySQLGrant all on Testdb.teable1 to [e-mail protected] ' 192.168.0.10 ' identified by ' dbapasswd ';//Open Manage permissions for partial columns of a database-specific table (testdb.table1) in MySQLGrant Select (ID, SE, rank) on Testdb.table1 to [e-mail protect
operation methods mentioned in this article in 20 minutes (two-read), and configure all the routers on the network in 30 minutes (small networks, few vrouters can be configured ), in the last 20 minutes, check whether the network is working properly. Okay. In the last 20 minutes, your RIP network is running. It's that simple. Don't believe it. Please continue 。
What is the RIP routing protocol?
RIP (Routing Information Protocols) is the most widely used distance vector protocol, which was devel
switches, Cisco's discovery protocol uses 802.3 frame format4, the development of Ethernet frame formatEthernet V1 (1980): This is the most primitive format, the 3Mbps Ethernet standard packaging format presented by Xerox, which was later standardized in 1980 by Dec, Intel and Xerox to form the Ethernet V1 standard. Ethernet V2 (1982): That's what we're talking about ethernetii, the standards announced b
addition, you can divide route calculation into DV and LS. DV (distance, Distance Vector) calculation * transmits the route information of the current router to the adjacent router, and the adjacent router adds the information to its route table. While ls (link state) calculates * transmits the link state information to all routers in the domain, and the receiving router uses this information to build a network topology, use the Shortest Path in graph theory to calculate the priority * to deter
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