oracle learning library

Oracle First, ask questions There are times in the real world when you encounter a ORA-01102 error when you try to start a database with startup. We can switch to Oracle users under UNIX, and perform Oerr Ora 1102 to see a brief description of 1102, as follows: Rp2$[/home/ora2]oerr Ora 1102 01102, 00000, "Cannot mount Database in EXCLUSIVE mode" *cause:some Other instance has the database mounted ex

Normal 0 7.8 磅 0 2 false false false MicrosoftInternetExplorer4 /* Style Definitions */ table.MsoNormalTable{mso-style-name:普通表格;mso-tstyle-rowband-size:0;mso-tstyle-colband-size:0;mso-style-noshow:yes;mso-style-parent:"";mso-padding-alt:0cm 5.4pt 0cm 5.4pt;mso-para-margin:0cm;mso-para-margin-bottom:.0001pt;mso-pagination:widow-orphan;font-size:10.0pt;font-family:"Times New Roman";mso-fareast-font-family:"Times New Roman";mso-ansi-langua

One, connect another SQL Server library data in SQL ServerIn SQL, you can create a linked server when you want to query a data table in another database in a local library:EXEC master.dbo.sp_addlinkedserver @server = N ' aliases ', @srvproduct =n ' library name ', @provider =n ' SQLOLEDB ', @datasrc =n ' server address 'EXEC Master.dbo.sp_addlinkedsrvlogin @rmtsrvname = n ' Alias ', @locallogin = NULL, @use

Tags: oracle EXPDP IMPDP Data Pump October 14 to the electronic deployment of the system, with exp, IMP Guide Library command to achieve the successful implementation of the Oracle database export, import, in this, but also published an article Oracle database Export Import, explain the export, import process. yesterda

Extended oracle function library (oci) and wampoci in the WAMP environment. In the WAMP environment, the extended oracle function library (oci), wampoci received a task yesterday, and used php to process the content of the oracle database, however, php does not directly use

Tags: Oracle 11gadg modify ip One, the description database version 11g, single instance ADG. The operating system version is SuSE SP3. Main Library ip:192.168.1.11 ip:192.168.1.12 second, the need to modify the main library IP address, to ensure the normal operation of ADG environment. The main library IP is changed

Self-configuring WAMP environment, extending the Oracle Library (OCI), Wampoci The colleague received a task yesterday to use PHP to process the contents of the Oracle database, but the PHP open Oracle extension is not as straightforward as MySQL, and requires something to open. The first step is to download an instal

Source: http://www.teglor.com/b/deep-learning-libraries-language-cm569Python Theano is a Python library for defining and evaluating mathematical expressions with numerical arrays. It makes it easy-to-write deep learning algorithms in Python. The top of the Theano many more libraries is built. kerasis a minimalist, highly modular neural network

As described earlier, Oracle provides two ways for database-level replication: A, Maintain_global B, Pre_instantiation_setup, Post_instantiation_setup Maintain_global is suitable for small and medium-sized database creation, while Pre_instantiation_setup+post_instantiation_setup is suitable for the creation of large database, here we demonstrate through pre_ The Instantiation_setup and Post_instantiation_setup procedures Create a database-level str

The following document DBCA the process of creating the main library, with pictures in each of the basic steps. Oracle User Execution DBCA, if it is the root user login graphics surface, the SU switch user before need to execute a xhost +x, otherwise Oracle cannot start the GUI program, next?Select Create Database, NextSelect General Purpose or Transaction proces

Extended Oracle Function Library (OCI) in Wamp environment, WAMPOCI The colleague received a task yesterday to use PHP to process the contents of the Oracle database, but the PHP open Oracle extension is not as straightforward as MySQL, and requires something to open. The first step is to download an install client pa

Oracle learning materials Http://bbs.51cto.com/thread-1010463-1.html 1) 132 Oracle popular boutique data http://bbs.51cto.com/thread-933811-1.html2) Oracle dual machine Hot Standby detailed configuration rose hahttp: // bbs.51cto.com/thread-652501-1.html3) Oracle practice

reference:http://qxde01.blog.163.com/blog/static/67335744201368101922991/Python in the field of scientific computing, there are two important extension modules: NumPy and scipy. Where NumPy is a scientific computing package implemented in Python. Include: A powerful n-dimensional array object; A relatively mature (broadcast) function library; A toolkit for consolidating C + + and Fortran code; Practical linear algebra, Fourier tra

Tags: oracle11g using the From active database new feature to create a physical standby libraryPreparatory work: Main Library Enable archiving Install Oralce 11g software on all systems Repository to create the necessary directories Create a listener, configure the Tnsname file The first step:A copy of the password file from the master library to the standby repositoryStep Two:Para

Tags: global cee rar show dad OLAP size OCA Mini Problem simulation and problem analysis of library cache pin in Oracle Single instance case References from: Waitevent: "Library cache Pin" Reference Note (document ID 34579.1)How do I Find the blocker of the ' Library cache pin ' in a RAC environment? (Document ID 78051

Repeat the library cache lock wait event in Oracle 11 GB, 11 glibrary From the example below, we can see that re-Compilation of objects in the production database will lead to library cache lock, so we should try to avoid compiling objects during business peaks. If a package or complex dependency exists in the process, it can easily lead to

Python is widely used in scientific computing: computer vision, artificial intelligence, mathematics, astronomy, and so on. It also applies to machine learning and is expected. This article lists and describes the most useful machine learning tools and libraries for Python. In this list, we do not require these libraries to be written in Python, as long as there is a Python interface is enough. Our goal is

Today because the insertion of Chinese is garbled, found that the character set is not ZHS16GBK, so ready to delete the re-built[Email protected] >alter database close;ALTER DATABASE Close*An error occurred on line 1th:Ora-01093:alter DATABASE CLOSE?????????????Description also to session connection, after exiting the connection in the delete operation[Email protected] >alter database close;The database has changed.[Email protected] >select instance_name,status from V$instance;instance_name STA

php.ini to open the extension, the last one is added later, PHP was not, anyway, some DLL files in the bread are written in should not be wrong, at most when running PHP more load several libraries Extension=php_pdo_oci.dll Extension=php_oci8.dll; Use with Oracle 10gr2 Instant ClientExtension=php_oci8_11g.dll; Use with Oracle 11gR2 Instant ClientExtension=php_oci8_12c.dll; Use with

Problem simulation and problem analysis of library cache pin in Oracle Single instance caseReference from:Waitevent: "Library cache Pin" Reference Note (document ID 34579.1)How do I Find the blocker of the ' Library cache pin ' in a RAC environment? (Document ID 780514.1)Native environment: