; Conn Username/password Sql> select * from User_sys_privs; We will start with the creation of Oracle User Rights table, then explain the general actions such as landing, so that you have a deep understanding of the Oracle User Rights table. First, create sys;//system Administrator with the highest privileges system;//Local Administrator, sub-high privilege scott;//Normal user, password default is tiger, default unlocked Second, landing Sqlplus/as sysdba;//Login SYS account Sqlplus Sys as sysdba
Label:MySQL used to be not a lot, 2 days to read the MySQL must know will also review the foundation. The 200-page book will soon be finished,Most of the knowledge is relatively basic, but still understand some previously unknown knowledge points. Make a backup of yourself and view it at any time.Command:SQL is case-insensitive, statement uppercase, column, table name lowercase is a habitConnection command: Mysql-u user_name–h example.mysql.alibabalabs.com–p3306–pxxxxQuitHelp show; View all Show
default tablespace user which tablespace to use;To modify a user's permissions:Grant role 1, role 2 to user name;Examples are as follows:Create user wbppcs identified by wbppcs123 default Tablespace wbppcs;Grant DBA, connect to Wbppcs;V. Granting of rights1, the default ordinary user Scott is not unlocked by default, cannot do that use, the new user does not have any permissions, must be granted permissions/* Administrator Authorization */Grant Create session to zhangsan;//Grant Zhangsan user p
This article describes how the query memory grant, which works on SQL Server, applies to SQL 2005 through 2008. Query Memory Grants (hereinafter abbreviated as QMG) are used to store temporary intermediate data rows when data is sorted and concatenated. A query needs to reserve memory before it is actually executed, so there is a grant action. The benefit of this is to improve the reliability of the query and avoid consuming all of the memory for a si
protected] identified by ' passwd ' authorization command corresponding permissions (all permissions) target: libraries and tables Account name and client host user password5. To refresh the permissions after the authorization is complete:Flush privileges;6. View created Users:Select Host,user from Mysql.user;7. View permissions to create a user: show grants for [email protected];#USAGE indicates that the user can only log on, no other permissions, t
be granted permissions Grant Create session to zhangsan;//Grant Zhangsan user permission to create session, that is, login permission Grant Unlimited tablespace to zhangsan;//grants Zhangsan users permission to use tablespaces Grant CREATE table to zhangsan;//grants permissions for creating tables Grante drop table to zhangsan;//grant permission to delete tables Grant Insert table to zhangsan;//permissi
Create session to zhangsan;//Grant Zhangsan user permission to create session, that is, login permissionGrant Unlimited session to zhangsan;//grants Zhangsan user permission to use tablespacesGrant CREATE table to zhangsan;//grants permissions for creating tablesGrante drop table to zhangsan;//grant permission to delete tablesGrant Insert table to zhangsan;//permissions for inserting tablesGrant Update tab
be granted permissions GRANTCreate SESSION, create any TABLE, create any VIEW, create any INDEX, create any PROCEDURE,Alter Session,alter any TABLE, alter all INDEX, alter any PROCEDURE,Drop any TABLE, drop no VIEW, drop any INDEX, drop any PROCEDURE,Select any TABLE, select any SEQUENCE,INSERT any table, UPDATE any table, DELETE any tableto username; Grant Create session to zhangsan;//Grant Zhangsan user permission to create session, that is, login permission Grant Unlimited tablespace to zhan
be granted permissions Grant Create session to zhangsan;//Grant Zhangsan user permission to create session, that is, login permission Grant Unlimited tablespace to zhangsan;//grants Zhangsan users permission to use tablespaces Grant CREATE table to zhangsan;//grants permissions for creating tables Grante drop table to zhangsan;//grant permission to delete tables Grant Insert table to zhangsan;//permissions
,create,deleteon * * to ' Bruce ' @ '% ' identified by ' 123 ' ;
Query OK, 0rows Affected (0.00 sec)Landing from another machine.
[[emailprotected] ~]# mysql-ubruce-p-h10.20.0.231 Enter password:welcome to the MariaDB Monitor. Commands End With;
or \g. Your MySQL Connection ID is 5 server version:5.5.20-log MySQL Community Server (GPL) This software comes with absolutely NO WARRANTY. This was free software, and welcome tomodify and redistribute it under the GPL v2 license Type ' help; ' or
There are many other things worth learning about the Router Protocol. Here we mainly introduce the details of the CLNS Router Protocol. The full name of CLNS is "Connectionless Network Service" (Connectionless Network Service ), it is a layer-3rd service designed for layer-4 oSI protocol-"connectionless network protocol" (CLNF. Here, we do not plan to run any 0SI protocol (9th rows )!
TPx is a Novell protocol. This vro protocol is used most of the time as long as the network has a server running
Spanish researchers during this monthGuerreroResearch found HP Printing SoftwareJetDirect has a vulnerability that allows attackers to bypass bio-or swipe card security protection, access some printed documents, or advertise the network to cause DoS attacks on vulnerable network printers.Although JetDirect was designed by HP, many printers use the software, including Canon, Lexmark, Samsung, and Xerox. The software processes print requests submitted o
The routing protocol is used to exchange routing information between routers. With the continuous development of network technology, the more complex the network, and the emergence of new routing protocols. Through the routing protocol, the router can dynamically share information about the remote network. The routing protocol can determine the optimal path to each network, and then add the path to the routing table. The dynamic routing protocol can automatically detect remote networks. As long
supplement to Static Routing in the network. When a group is used to find the route in the vro, The vro first searches for the static route. If yes, the vro。 forwards the route according to the corresponding static route forwarding group. Otherwise, the vro searches for the dynamic route. -- Dynamic Routing Protocols are divided into internal gateway protocol (IGP) and external Gateway Protocol (EGP) based on whether they are used in an autonomous domain ). The Autonomous Region refers to a net
Special Initiatives of the company. But I always think these problems are not new, or even boring. What should I ask? -JjDear Jj:Andrew Sobel said, "If you talk to corporate recruiters and executives who are often involved in recruitment, they will tell you three types of questions: no question, bad questions, and impressive questions. The last one is rare. However, if a job seeker can ask questions that impress the other party, they will usually be able to eventually get the offer.Sopell is a
[Introduction]
Aspect-oriented programming (AOP) is a programming paradigm invented by Xerox PARC in the 1990s s of the Xerox Corporation, it allows developers to better separate tasks that shouldn't be entangled with each other (such as mathematical operations and Exception Handling. The AOP method has many advantages. First, because the operation is more concise, the performance is improved. Second, it ma
Author: failingProgramMember-eight gods
As a programmer, my memories of the past include:
Grace hebai, it found the first bug.
Steve Gary Wozniak, who made apple I, II PC and wrote a Basic Interpreter for it. even the blue box and the TV player are soft and soft. steve Jobs can only say it's a slide. (It seems a bit technical worship)
Microsoft has successively cooperated with apple and IBM to establish a commercial position. Bill Gates is the smartest kid.
Two old men from
The Ethernet protocol implements the functions specified in rfc894. It can send and receive frames in rfc894 Encapsulation Format and is compatible with rfc1042 (IEEE802) Encapsulation Format mixed with rfc894.
Ethernet: in 1980, digital equipment companies (DEC), Intel companies, and Xerox (Xerox) launched the Dix V1.0 standard. In, the Dix standard, also known as Ethernet II, was introduced. It uses CSMA/
add or configure a static IPX route in the ipx route table by using the corresponding IPX route command, such as "routing IPX add/set staticroute, "routing ipx set global" indicates configuring global IPX route settings. SPX ProtocolNote: The full name is Sequences Packet Exchange (ordered Packet Exchange). The SPX Protocol is based on Xerox SPP (Sequences Packet Protocol, ordered Packet Protocol) Protocol of X
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