lockstate connect

From 10.2.0.3 to 11.2.0.4 's friend, if careful you will find that the following SQL performs less efficiently in 11.2.0.4 (this SQL is primarily to obtain access to connection users)Select Privilege#,level from sysauth$ connect by Grantee#=prior privilege# and privilege#>0 start with grantee#=:1 and Privilege#>0If you are in touch with an Oracle version and are more careful, you may further find that the SQL in 11.2.0.2 is: select/*+ connect_by_filte

Oracle connect and RESOURCE role permissions, oracleconnect Recently, I was dealing with database user permissions. Previously, I thought that after the RESOURCE permission is granted to the user, the user's general permissions will be available. When the user is found to have a RESOURCE role, I didn't have the permission to create a view, so I found that this part is completely unknown. So I sorted out the related content of the

http://acm.zju.edu.cn/onlinejudge/showProblem.do?problemCode=3204 Connect them Time Limit: 1 Second Memory Limit:32768 KB You had n computers numbered from 1 to n and you want to connect them to make a small the local area networ K (LAN). All connections be two-way (that's connecting computersI andJ is the same as connecting ComputersJ andi). The cost of connecting compu

How does Oracle12c connect to CDB and PDB? 1 connect to CDB Same as a normal instance. After specifying ORACLE_SID, you can use OS authentication or password for connection. [Oracle @ Ora12c/] $ echo $ ORACLE_SID Cndba [Oracle @ Ora12c/] $ sqlplus/as sysdba SQL * Plus: Release 12.1.0.1.0 Production onMon Apr 28 11:33:43 2014 Copyright (c) 1982,201 3, Oracle. All rights reserved. Connected

SELinux causes a PHP connection to MySQL exception. Can't connect to MySQL server. selinuxmysql Colleagues reported a strange phenomenon. A simple PHP code test is normal in the test environment, but in the formal environment, no matter what method (TCP/IP, unix socket) is used) cannot connect to mysql. I checked with my help. The error message is similar, whether it is a tcp/IP connection of the specified

Remote connect to Amazon EC2 Linux instance such as Nat from Windows using putty Http://docs.aws.amazon.com/gettingstarted/latest/wah-linux/getting-started-deploy-app-connect.html Note: The username for the Linux Ami is ec2-user. (used in Putty) Add the following rule to that Linux instance security group so that you can connect to that instance via port 22 (SSH ): Remote

The Open Database Connection (ODBC) interface is defined by Microsoft Corporation and is a standard interface used in Windows to connect client applications to the database management system. You can specify the connection parameters to connect. Typically, you can easily collect a set of connection parameters and store them in an ODBC data source. The ODBC data source is an easy way to save connection param

Today, the elephant brother used the connect session and cookie, and it feels quite helpful. Share it with me (there are a lot of pitfalls in it, the document is too vague, and it took a lot of time ). Connect is a node middleware (middleware) framework. Specific not table, see the official website to introduce http://www.senchalabs.org/connect/ Under app. js co

The default state of the socket is blocked, which means that when a socket call is issued that cannot be completed immediately, its process is put to sleep, waiting for the response operation to complete, and possibly blocking socket calls can be divided into the following four classes:(1) Input operation, including read,readv,recv,recvfrom,recvmsg;(2) Output operation, including write,writev,send,sendto,sendmsg;(3) Accept the external connection, that is, the accept function.(4) Initiating an o

RMAN login and connection to the target database step 1, Method 1: a) [Oracle @ odd-oelr4u8 ~] $ Rmantargetsysoracle @ P RMAN login and connection to the target database step 1, Method 1: a) [Oracle @ odd-oelr4u8 ~] $ Rman target sys/oracle @ P How to log on to and connect to the target database using RMAN I. Method 1: A) [Oracle @ odd-oelr4u8 ~] $ Rman target sys/oracle @ PROD1521 catalog catalog_admin/catalog_admin @ PROD21521 B) C) Recovery Ma

Today's recommendation is an open source OpenID Connect/oauth 2.0 Service Framework--identityserver3 that I've been focusing on for a long time. It supports the complete OpenID Connect/oauth 2.0 standard, which makes it easy to build a single sign-on server. Said to have been concerned about, because 1 years ago, to build an OAuth 2.0 server for a platform, at that time because IdentityServer3 is still in t

Original address: Http://android.xsoftlab.net/training/connect-devices-wirelessly/wifi-direct.html#permissionsWi-Fi peer-to-peer APIs allow programs to communicate directly with nearby devices, and the Android Wi-Fi peer-to-frame is powered by Wi-Fi Direct. Wi-Fi peer technology enables programs to quickly retrieve and connect to nearby devices. Its coverage is larger than the Bluetooth coverage range.This

When listening to music, we often play with external Bluetooth audio devices, so how many blue-night devices can Mac computers connect at the same time? How do Mac computers connect to multiple Bluetooth devices? In fact, the MAC itself is able to connect more than 2 different brands of Bluetooth speakers, want to connect