Database Administrator

In Oracle, how does one set access to multiple SQL Server databases? Suppose we want to access the default pubs and Northwind databases in SQL Server at the same time in Oracle. 1. on a windows machine with Oracle9i Standard Edition or Oracle9i

RHEL AS4 (CentOS4.4) kernel version:[Xujg @ centos: ~] $ Uname-r2.6.9-42.ELOracle version and patch:10201_database_linux32.zip1. Create users and groupsGroupadd oinstallGroupadd dbaUseradd-g oinstall-G dba oraclePasswd oracle2. Create a directory

Environment: S/390 or zSeries; Linux for S/390Problem: when installing DB2 for Linux/390, you need to add three user groups: db2iadm1, db2fadm1, and db2asgrp, and add db2inst1, db2fenc1, and db2as respectively. In this case, you may encounter

1. log in system as root.2. Hardware requirements: 1 GB memory or above, preferably 2 GB hard disk space or above,/tmp at least MB.3. In addition to the following packages mentioned in the installation documentation:Binutils-2.15.92.0.2-10.EL4Compat-

I. gb2312, gbk, utf8, and other character sets supporting multi-byte encoding can store Chinese characters. The number of Chinese Characters in gb2312 is much smaller than that in gb2312, while that in gb2312 and gbk can be encoded in utf8.2. Run

It took me a morning to debug a program and finally succeeded. Although it was a few simple words, I had some gains in the process ~ I have a lot of feelings. The question is to use JDBC to connect to MYSQL. It would have been okay to use ejbs

I. Preparations1. Check component InstallationIf it is fully installed, the system only has two patches compat-libcwait-2.0-2.i386.rpm and compat-Oracle-rhel4-1.0-5.i386.rpm,If not, check whether many components are installed.The following are

Create index idx_p_merchant_detail_id on D_ORDER_DETAIL (merchant_detail_id) Online; After the index is created for a long time, it is not reflected. Then, when the index is deleted, the following error is returned: Error: ORA-08104: this index

RMAN duplicate for standby failure Solution ProcessWhen using rman duplicate to standby to generate the standby database, it is always unsuccessful. The following error occurs when multiple attempts are made:RMAN> duplicate target database for

Full (outer) join is the syntax used to fully connect two tables. That is to say, if you want to associate Table A with table B, you can obtain records that exist in Table A but not in Table B, or that exist in Table B but not in table. The on

The customer has reported this error since using nbu. Because it has always been normal. So we stopped the nbu backup at night. Use the previous script separately. The error message is the same. Therefore, I doubt whether it is a script problem.The

To modify the Host Name of Oracle 10g RAC, refer: Related platforms:Aix 6106 + oracle 11203Modify host name:First node: change from dbrac1 to dbrac100Second node: change from dbrac2 to dbrac200 1. Uninstall CRS

Today, the customer wants to use Oracle 9.2.0.5, which is no longer supported by aix 6.1, so he has to copy the software from other databases and recompile it. However, you can only create a database manually. I haven't used manual database creation

MySQL does not allow the select from statement to point to the table used for UPDATE. Of course, there is a better way than creating an endless temporary table. This article explains how to UPDATE a table and use SELECT in the query clause. Problem

1. Download the Windows version of mongodb, including the 32-bit and 64-bit versions (of which the linux version is also available). Download the version based on the system conditions. : Http://www.mongodb.org/downloads. here I download mongodb-win3

Although talking about hidden parameters must be meaningless, but those hidden parameters are valuable, we have to "respect" those hidden parameters" In AUM, why does my Undo tablespace only grow and does not recycle it? Now it's more than 40 GB and

Import the four. dmp files to the Oracle 10 Gb database. I installed the Oracle 11 GB database on my local machine. If I didn't want to, I would just export the files. Use the import table function in PLSQL Developer to export data. 1. Create a

APIS involved in this article: Hadoop/HDFS: http://hadoop.apache.org/common/docs/current/api/ HBase: http://hbase.apache.org/apidocs/index.html? Overview-summary.html Begin!I. Overview The Export and Import tools provided by HBase are used. Export:

Query and unlock lock table records in Oralce First, query the tables that are locked. Select B. owner, B. object_name, a. session_id, a. locked_modeFrom v $ locked_object a, dba_objects BWhere B. object_id = a. object_id; Query the sid and serial

1. installation environment: Oracle Linux 5.9 2. Download and install: For how to install the yum command in Linux, see: Check whether the yum source has mongodb: [Root @ bakdbserver ~] # Yum info mongo-10gen Loaded plugins: rhnplugin, security This