oca 11g

Oracle 11gThe clientLinuxThe configuration process is a little bit difficult, but as long as we configure step by step, there is nothing. This article describes how to configure the Oracle 11g client on Linux. First download several compressed packages from OTN, for: http://www.oracle.com/technology/software/tech/oci/instantclient/index.html, And then according to your platform, choose a different download, I am installed under rhel5, so I chose linux

11g new feature _ visible and invisible Index When you want to evaluate the impact of an index on your SQL query statement, when your database is 11 GB, you can quickly set the index to VISIBLE or INVISIBLE. In commendable cases, when the index is set to invisable, the index will be maintained as usual when the DML statement occurs. That is to say, the index in the invisable state is not invalid, the optimizer does not select the index path. The follo

Oracle 11g Release 1 (11.1) tablespace -- simple management permanent tablespace this article content create tablespace view tablespace modify tablespace availability/read/write Delete tablespace www.2cto.com suppose database is Oracle 11g, log on to SQL * PLUS with the SYS user. This article demonstrates creating a (permanent) tablespace. After that, you can view the tablespace information, modify the tabl

Install oracle 11g and oracle11g in linux Oracle 11g Installation I. Environment preparation /15000 M /Tmp 4096 M /Boot 100 M Swap 4096 M /U01 remaining space 2. Change the Host Name and IP address 3. install the software package The environment for the linux system to be prepared for oralce will end here. The following will start to install oracle after the system is installed. 4

Oracle 11g histogram row-to-Column I have written a line-to-column article: Oracle simple column-to-row SQL> select * from v$version;BANNER--------------------------------------------------------------------------------Oracle Database 11g Enterprise Edition Release 11.2.0.1.0 - 64bit ProductionPL/SQL Release 11.2.0.1.0 - ProductionCORE 11.2.0.1.0 ProductionTNS for Linux: Version 11.2.0.1.0 - ProductionNLSRT

BKJIA quick translation] This article gives a brief overview of Data Pump enhancements in Oracle Database 11g R1, including the following: ◆ COMPRESSION) ◆ Encryption parameters A. ENCRYPTION and ENCRYPTION passwords ENCRYPTION and ENCRYPTION_PASSWORD) B. Encryption Algorithm ENCRYPTION_ALGORITHM) C. encryption mode ENCRYPTION_MODE) ◆ Transmit TRANSPORTABLE) ◆ Partition option PARTITION_OPTIONS) ◆ Reuse the dump file REUSE_DUMPFILES) ◆ Re ing REMAP_TA

ORACLE 11g R2 database installation hardware environment requirements, 11gr2 Physical memory requirements: Minimum 1 GB, minimum 2 GB for windows7, windows8, and windows8.1. Virtual Memory (or paging space) capacity requirements: Available RAM Swap Space Required Between 2 GB and 16 GB Equal to the size of RAM More than 16 GB 16 GB Database Software hard disk space requirements: Installation Type

, there will be a problem. SQL> select * from v $ version; BANNER CON_ID------------------------------------------------------------------------------------------Oracle Database 12c Enterprise Edition Release 12.1.0.1.0-64bit Production 0PL/SQL Release 12.1.0.1.0-Production 0CORE 12.1.0.1.0Production 0TNS for Linux: Version 12.1.0.1.0-Production 0NLSRTL Version 12.1.0.1.0-Production 0SQL> drop table test purge;-- Transaction-based temporary tableSQL> create global temporary table test(ID number)

System.Data.OracleClient namespace is the. NET Framework Data Provider for Oracle.this types in System.Data.OracleClient is deprecated and would be removed in a future version of the. NET Framework . For more information, see Oracle and ADO. NET. The most important thing I've seen is that System.Data.OracleClient is deprecated and will not be visible in the future. NET Framework. So it's best to use odp.net.　　First to download odp.net, this to the Oracle server-side version of the corresponding

For some reason, such as data abnormal power, resulting in serious awr data inconsistency, awr part of the table damage, and so on, need to rebuild awr, can refer to the following steps for reconstruction, this article mainly for the current mainstream 10g and 11g version of the database, 12c did not testStop AWR automatically gather information Method 1: Parameter tuning Sqlplus/nologConnect/as SYSDBACreate pfile= '/tmp/pfile.xifenfei ' from SPFile

In the 64-bit Windows 8 Enterprise Edition environment, we connected the oracle11g server for two days. We will share the process for your reference. Local Environment: 1. SERVER: Oracle 11g R2 64-bit, installation path E:/org12 Download: http://www.oracle.com/technetwork/database/enterprise-edition/downloads/index.html 2. Client: (1) Instant Client, lightweight, installation path E:/oracle11/ClientHttp://www.oracle.com/technetwork/database/

At oracle11g, the Enterprise Manager of the client cannot be found. Does Oracle provide enterprise manager? Of course not, but Oracle does not provide enterprise managers in the C/S architecture. Oracle provides an Enterprise Manager with B/S architecture. Run emctl start dbconsole on the Linux server to start the Enterprise Manager, and emctl stop dbconsole to stop the Enterprise Manager. Of course, you can also view the status of the Enterprise Manager, which requires the execution of emctl

the three encryption tests for WEP, WPA, and WPA2, the main reason for the significant change in the transmission rate of wireless networks is that the IEEE 802.11n standard does not support high throughput rates for unicast ciphers with WEP encryption (or TKIP encryption algorithms). In short, the 11n product does not support the WEP encryption method or WPA-PSK/WPA2-PSK encryption method TKIP algorithm, if the user chooses these encryption method, the wireless transmission rate will automatic

When a function is used in a query, the return value is affected.Like what:Select COUNT (*) from customers where lower (cust_state_province) = ' CA ';The optimizer knows only the statistics on the original column, but does not know the statistics after the lower function has been turned, the selectivity of the column will be affected, but the optimizer cannot tell. After a function is used for a column in a SQL statement predicate, the optimizer simply considers the column to be 1% selective. Th

In Oracle 11g, ASM supports both 10g and 11g databases. However, the ASM version cannot be less than the database version.Two parameters related to compatibility now:Compatible.rdbmsThe minimum supported version of the Oracle database.compatible.asmControls the data storage format for ASM metadata on ASM disks. For example, if you set the value of Compatible.asm to 11.1, the ASM software version must be at

Oracle 11g error ORA-28000 the account is locked I. the cause and related factors of this error are caused by the default setting of "PASSWORD_LIFE_TIME = 180 days" in the default profile in oracle11g, there is a password expiration problem in Oracle 11g. Www.2cto.com 2. error phenomenon: After the user is locked, the ORA-28000 error will be reported, and prompt cannot log on to the Database SQL> conn syste

Oracle 11g 64-bit automatic restart, automatic shutdown command in RHEL (Red Hat EnterPrise Linux) 5.5 64-bit Oracle 11g 64-bit in RHEL (Red Hat EnterPrise Linux, 5.5 64-bit automatic restart and shutdown command: www.2cto.com Log On As an oracle user and enter: vi/etc/init. d/oracle on the editing page, add the following content: (assume that the main Oracle directory is/u01/app/oracle/product/11.2.0/dbhom

Windows 7 + 64-bit + Oracle + 11g + 64-bit use PLSQL + Developer solution 1) install Oracle 11g 64-bit 2) install 32-bit Oracle client (instantclient-basic-win32-11.2.0.1.0) download instantclient-basic-win32-11.2.0.1.0.zip (it must be a 32-bit version. Do not download it on the Oracle official website.) decompress it to the Product in the Oracle Installation Directory (the local name is instantclient_11_2

When you want to evaluate the impact of an index on your SQL query statement, when your database is 11 GB, you can quickly set the index to visible or invisible. In commendable cases, when the index is set to invisable, the index will be maintained as usual when the DML statement occurs. That is to say, the index in the invisable state is not invalid, the optimizer does not select the index path. The following is an experiment to verify: SQL> select * from V $ version; banner implements Oracle

Home> database> Oracle> body Install oracle 11g in linux 14:17:56 let me say something Add to favorites I want to contribute [Font: small and big] My linux version is centos5.5 and the kernel version is 2.6.18-194. el5. in linux, it is best to install the oracle System with 1 GB memory and 2 GB swap space. The hard disk requires at least 4 GB space.1. Download oracleGo to the oracle official website to download the cor