Database Administrator

This article outlines six methods to execute DB2 commands. Environment product: DB2 UDB Platform: z/OS Version: v8 Q: How do I execute DB2 commands? A: You can run the following DB2 command: 1. Use the z/OS console or z/OS applications for

Shared Server under Oracle 9i (multi-thread Server MTS in 8i) It is mainly used in OLTP services. It takes only a short time for a server process to process the business, and most of them are in idle State. In this case, fewer resources can be used,

SQL * Loader is a data migration tool provided by the Oracle database system. It provides a command line method that allows you to load a large amount of data into the Oracle database in batches. Although both the Oracle database and the SQL Server

Although it may take a long time to back up an Oracle database, this time is negligible compared to the fear of loss of transactions, loss of revenue, and dissatisfaction of customers. Therefore, backing up an Oracle database is becoming the most

Many new changes in Oracle Database (Database) 11g Ensure that this dream is closer to reality. Oracle released Oracle Database 11g Release 2 For Linux. For example, a database replay tool allows you to capture the production database load and

Frequently Used DB2 instance creation statements on AIX: # Useradd-g db2iadm1-m db2inst6# Useradd-g db2fadm1-m db2fenc6# Db2icrt-u db2fenc6-p 60034 db2inst6# Chuser fsize =-1 fsize_hard =-1 data =-1 data_hard =-1 stack =-1 stack_hard =-1 rss =-1 rss_

After migrating the data of a test system from Oracle 10 Gb to 11 GB, I heard the developers say that they failed to execute an SQL statement to create an index, but it can be executed normally in 10 Gb. This index is a function index with duplicate

1. view temporary tablespace (dba_temp_files view) (v _ $ tempfile view)Select tablespace_name, file_name, bytes/1024/1024 file_size, autoextensible from dba_temp_files;Select status, enabled, name, bytes/1024/1024 file_size from v _ $ tempfile; --

I. Implementation Environment Oracle Database Server 172.16.4.165 Windows Server 2008-64bit Oracle11g R2 DB2 database Server 172.16.4.165 Windows Server 2008-64bit DB2 V9.7 Oracle gateways11g R2 transparent gateway Server 172.16.4.20.windows Server 2

This morning, I received an email indicating that the job failed to be executed. (The job still runs properly a few days ago. I do not know why the error occurred today) The mail shows that the third step of the job reports an error. Step 3:

Case: a data file in rename cannot be completely restored.SQL> startup mount; // starts to mount.SQL> show parameter control_files // view the location information of the Control FileNAME TYPE VALUE----------------------------------------------------

Steps: 1. backup database TestMirror on Pricipal server 2. backup database log of TestMirror on Pricipal server 3. copy db and log backup files to Mirror server 4. restore db with norecovery 5. restore log with norecovery 6. create endpoints on both

Oracle databases are usually the first choice for large databases and large enterprises for the stability, high availability, cross-platform and massive database processing. Despite this, many small and medium-sized enterprises still want to taste

To test Oracle 11.2.0.4 + goldengate 11.2, you need to install oracle in both LINUX testing environments,Test Environment Node 1 Machine name: RAC1 source end Test Environment Node 1 Machine name: the directory structure of the two machines on the

MongoDB Sharding Cluster is a horizontally scalable mode. It is very powerful when the data volume is large. I have been trying to study three roles to build a MongoDB Sharding Cluster: 1. Shard Server: mongod instance, used to store actual data

1. Create the same directory as the 9i data file, control file, and redo file on the target server where Oracle 10g software is installed (the data files of the two databases must be in the same location, otherwise, you need to use alter database

Oracle online log files record the logs of data block changes during database operation. After the database becomes corrupted or fails abnormally, you must use online logs (or archive logs, repeat the changes in the database. When the log file

After installing mysql on CentOS 6.4, I cannot access it through root. Because the root password is not set during installation, it seems that there is an initial random password, but I do not remember it, too troublesome. Reset the root password

I have been in the Oracle DBA industry for several years, but speaking of Oracle Installation experience, I am not very familiar with it. At the beginning, I was a little confused, as Oracle has become more and more familiar with the principles and

Security is a critical consideration for information systems. According to the widespread attention caused by the explosion of information and data leakage in the world in recent years, without data security, there is no sustained trust from