Database Administrator

Note: Because ORACLE 9I is 64-bit, the installed AIX platform must also be 64-bit. If it is not necessary to reinstall or use the Connection Library Function to change it to 64-bitTo change to 64 bit multi-processor mode:# Ln-sf/usr/lib/boot/unix_64/

Install RedHat Advanced Server I have always installed the RedHat Advanced Server with the minimum installation, and then installed the necessary development environment and X11 components. This saves a lot of space (RHEL3 is installed at a minimum

This article describes how to use IBM®DB2®Universal Database™Configure the concept and implementation of log transfer. As the database system becomes more and more important for the success of the enterprise, the demand for uninterrupted (24x7)

Date Format Parameters Description D Day of the week DAY The name of the day, with a space of 9 Characters DD The day of the month DDD Day of the year DY Abbreviated name of day

1. Table create table test (names varchar2(12),                   dates date,                   num   int,                   dou   double); 2. View create or replace view vi_test asselect * from test; 3. Synonyms

Both MobiLink and SQL Remote can provide data replication between a unified database and a group of Remote databases. The unified database contains all the data to be copied. A remote database is a copy of a unified database. It can be located on

According to the definition of NULL, NULL indicates unknown. Therefore, the results of two NULL comparisons are neither equal nor unequal, and the results are still unknown. According to this definition, the existence of multiple NULL values should

I. Historical Background The full-Text retrieval technology of Oracle databases is already perfect. Oracle Text enables Oracle9i to have powerful Text retrieval capabilities and Intelligent Text management capabilities. Oracle Text is the new name

As we all know, Microsoft Excel can input, collect statistics, and generate charts intuitively and conveniently. However, it has limited data management capabilities and lacks the ability to query a large amount of data, if you use its advantages in

All scripts and instructions for creating databases manuallySystem Environment:1. Operating System: Windows 2000 Server, 128 MB of machine memory2. Database: Oracle 8i R2 (8.1.6) for NT Enterprise Edition3. installation path: D: \ ORACLESteps for

Batch deletion of massive data is usually complicated and slow, and there are many methods, but the general concept is: Batch deletion and successive submission. The following is the deletion process. The data table can be deleted through the

We often hope to unify data stored in different regions for application. Now we can use the replication technology to solve this problem. However, Database Replication also requires some conditions.First, the database must have the Advanced

I. Optimized disk configuration Oracle is a disk I/O-intensive application. Make sure that you configure the disk and file system properly:Run the disk fragment program before creating a data file on the disk.To securely organize disk fragments, You

The following parameters in onconfig in the Online configuration file have a significant impact on CPU utilization. • NUMCPUVPS• SINGLE_CPU_VP• MULTIPROCESSOR• AFF_NPROCS• AFF_SPROC• NUMAIOVPS• OPTCOMPAND• NETTYPENUMCPUVPS, MULTIPROCESSOR, and SINGL_

I. Prerequisites for restoration When ontape backup is used to recover data to another server, the environment is as follows: 1. The two server models are the same as those of the e-hpc series)2. Same Operating System (HP-UXB.11.00), database

Relational Database Informix-4GL Program Design 1. Key and methods for designing relational database programs 1. Key factors for successfully designing a relational database:①. Gain an in-depth understanding of internal organizations and needs of

1. Use the ontape command OnLine dynamic server 7.1 provides an OnLine Incremental Backup Tool for database administrators. When running commands, database administrators can use ontape for data backup and logical log backup. It also provides an

Network Configuration of the Oracle client: L after the Oralce product is installed, you must configure the network connection to connect to the database server or to replicate data between the two databases. L Oracle9i Net Service configuration

When Microsoft Windows Server 2000 and Oracle8i reading is Edition 8.1.7 are in use, the client application reports a read/write error in the data window view, enters Oracle DBA Studio as SYSDBA, and finds "D: ORACLEORADATAORCLAPINFO. DBF "data file"

1. Operate the ACCESS database in DELPHI (Create A. mdb file and compress the database)The following code passes the test under WIN2K, D6, and MDAC2.6,The compiled program runs successfully in the second version of WIN98 without ACCESS. //