Database Administrator

Address of the server where the Oracle database is located: 192.168.3.67 Default port: 1521 Service name: OA10 Modify the tnsnames. ora file in the oracle \ ora92 \ network \ admin directory # TNSNAMES. ORA Network Configuration File: D: \ oracle

The redo path is incorrect today, and the standby uard database cannot be open: ORA-01275: The add logfile operation is not allowed when backup file management is automatically performed Let's take a look at the following: Let's take a look at the

In Hibernate, the corresponding file column type can be org. springframework. orm. hibernate3.support. BlobByteArrayType,Org. springframework. orm. hibernate3.support. ClobStringType, clob, blob, and binary. When to use BlobBYteArrayTypeWhen should

1. Upload the executable file IF_FIN_BOSS_IMP_V2.prog to the $ IT_TOP/bin path of the server through FalshFXP: 2. Define the executable program (for example, executable program, request-call-> executable) Access path: application

Requirements: Match the mobile phone number. The first digit can be "+", but not "+". The following digits are all numbers, for example: + 861359415665 8613659558555 1356856455 Are valid.   + Aa156945555 Aa1359556666 Aaddssdfdfsd Are

The lazy and fetch settings in the relationship between Hibernate will affect the SQL statement operations when querying data. The fetch settings have a higher priority than the lazy settings, andThe lazy attribute configured on the class tag does

In the previous configuration process of migrating a single-instance database to the rac environment (SEE), we introduced the use of standby technology to build the data guard model for the physical standby database of a single-instance master

Why Oracle ORA-4031 errors occur First, this error occurs as follows: ORA-04031: unable to allocate XXXX bytes of shared memory ("Shared pool," unknown object "," sga heap () "," obj stat memor ") That is, the basic query of simple dynamic

MongoDB has officially supported Sharding since version 1.6. MongoDB also released Replica Sets to replace earlier versions of Replica Pairs. By combining Sharding and Replica Sets, we can build a distributed, highly available, and automatically

1--Create temporary tablespace2 Create TemporaryTablespace data_temp3Tempfile'D: \ Oracle \ oraudata \ data_temp.dbf'4Size 2000 m5AutoextendOn6 Next500 m7Extent management local;8 9 --Create a data package Space10 CreateTablespace data_data11Logging1

When exporting and importing Oracle databases, the following error is reported during the import of exported data to the new database: View information about external tables in the database:Select * from dba_directoriesSelect * from select * from

Checkpoint not complete information found in the alter log recentlyCause analysis:First, what is checkpoint?A chkpoint is an internal mechanism of a database. It has two purposes: 1. ensure data consistencyWhen the system checks, the DBWR process

Problem: ORA-01187: cannot read from file because it failed verification tests ORA-01110: data file 201: '/u01/oradata/md/temp01.dbf' Problem reproduction: [SQL] Sys @ DENVER>Alter DatabaseBackup controlfileToTraceAs '/Tmp/t1. SQL';

Install Oracle 10.2.0 in a 64-bit Linux operating system, 1. install an xmamanger software locally to start xmanager-passive. 2. Create an oracle user and dba group on the server. useradd oracle-g dba 3. Modify the. bash_profile of the oracle

Insert binary content (image files) to MongoDB using Ruby) Ruby code Require'Mongo' Require"Fileutils" @ Conn= Mongo: Connection.New("Localhost", 30000) @ Conn. Database_names.Each{| Name | puts name} @ Db=@ Conn['Sample _ db'] @ Coll=@ Db['

Today, I am going to process a piece of data and discover a problem in the Oracle sequence. I am prepared to clarify this problem in the spirit of discovering, solving, and asking the root question.   Problems and phenomena: For sequences, seq is

Operating Environment MASTER:192.168.1.124 From:192.168.1.125 Mysql- 5.0.56 .Tar.gz,CentOS5.2 Database1:/Data/3306/Database2:/Data/3307/ 1Modify master databaseMy. cnf ====================================== # Vi/etc/my.

Install MySQL NDB Download: mysql-cluster-gpl-7.1.10-linux-x86_64-glibc23.tar.gz Before configuring the ndb, You need to systematically grasp the mysql ndb configuration method theoretically, so that you can avoid many detours.I. Pre-configuration

[Old system] When the data volume of a table in Oracle9i database exceeds 0.1 billion, the web page remains blank for a long time when the table is queried recently. Therefore, optimize the table. The optimization plan is as follows: 1. Create a

Requirement Description In reports with specific requirements, some layout objects may be displayed or hidden under certain conditions. There are two methods for developers to develop reports in Oracle reports builder. Use Format Trigger for