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Sort common DB2 scripts -- Tablespace resizing Alter tablespace BAS_DW_ENT ADD (Device '/dev/vx/rdsk/n01datadg3/dwentlv_100g_01_01' 3276800) on dbpartitionnum (1) ADD (Device '/dev/vx/rdsk/n02datadg3/dwentlv_100g_02_02' 3276800) on dbpartitionnum (2) ADD (Device '/dev/vx/rdsk/n03datadg3/dwentlv_100g_03_03' 3276800) on dbpartitionnum (3) ADD (Device '/dev/vx/rdsk/n04datadg3/dwentlv_100g_04_04 '3276800) on dbpartitionnum (4) ADD (Device '/dev/vx/rdsk/n0
1 Introduction The minimal recovery and transaction units in relational databases (DB2, Oracle, Sybase, Informix, and SQL Server) are a transaction (Transactions). Transactions are ACID (atomicity, consistency, isolation, and durability) feature. In order to ensure the correctness of concurrent users when accessing the same database object (that is, no loss updates, repeatable reads, no dirty data reads, no Phantom reads ), the database introduces the
Tags: default change plain out set GES and not definedDB2 is a series of relational database management systems exported by IBM, which serve on different operating system platforms. We will explain the DB2 ten optimization techniques. To help DB2 DBAs avoid performance disasters and get high performance, I've summarized a troubleshooting process for our customers, users, and
Db2 command list has been working for more than a month. Because the company wants to use DB2 databases, it always tries its best to read this book. For a while, I have some experiences and summarized some commonly used DB2 commands, share it with you! I hope you will be helpful .. Start the DB2 service: db2start disab
DB2 database commands 1. Start the database Db2start 2. Stop the database Db2stop 3. Connect to the database Db2 connect to o_yd user db2 using pwd 4. Read Database Management Program Configuration Db2 get dbm cfg 5. Write Database Management Program Configuration Db2 update
Common DB2 commands Common DB2 commandsI. Basics1. db2 connect to Db2 connect to 2. db2 force application all -- force all applications to disconnect the database3. db2 backup db db2name 4. db
PS: Need to enter DB2 's account before executing the command: Su db2inst1Modify Password: Change the corresponding operating system password, Windows can change db2admin password, linux change db2inst1 password can be, DB2 's database password is tied to the operating system, as you can say, only need to modify the user's password on the operating system. You want to change that user's password, you change
Today, the customer visited (Japanese) and asked me the difference between DB2 and Oracle. Because it's not a DBA, I haven't really summed it up. But my first feeling: One is instance, one is database. Building Ora libraries and DB2 libraries is not the same. It's really はずかしい. System Architecture Overview First, we need to understand the architecture used by Oracle and understand how it differs from
1. Disable db2 Db2stop or db2stop force. In the script, write both of them to avoid using the db2stop force command, for example: Db2stop Db2stop force 2. Start db2 Db2start 3. Create a database Db2 create db Or db2 create db using codeset GBK territory CN 4. delete a database Be careful when performing this operation.
: Network Disk DownloadIntroduction DB2 database is the core product of IBM's relational database, and it is widely used both domestically and globally. For DB2 beginners, the "Step DB2:DBA system Management, operation and application case" gradually introduced the many concepts and knowledge DB2 involved to everyone.
TermsBefore discussing DB2's support for 32-bit and 64-bit, we will first view and understand some of the terms and important concepts involved in the context of this article. This is very important: Platform:The basic technologies of computer hardware and operating systems define how a computer runs and what kind of software can run on it. Hardware:Computer and its related architecture. Operating System:Controls computer hardware and allows other
This article mainly introduces some similarities between DB2 database development and PostgreSQL development in actual operations. What's more, I recently used DB2 databases and wrote some differences between them. Not necessarily true. But you can see the difference between the two. 1. Data Definition Language (DDL) and peripheral tools: the difference between DB2
Author: gnuhpcSource: http://www.cnblogs.com/gnuhpc/ 1. display the db2setup command in a local languageThe db2setup command is used to query the operating system to determine the existing language settings. If db2setup supports language settings on the operating system, this language is used.If your system uses the same code page as the DB2 interface, but the language environment name is different from the supported language environment name, run the
Comparison of concurrency control (LOCK) between DB2 and Oracle Comparison of concurrency control (LOCK) between DB2 and Oracle 1 Introduction The minimal recovery and transaction units in relational databases (DB2, Oracle, Sybase, Informix, and SQL Server) are a transaction (Transactions). Transactions are ACID (atomicity, consistency, isolation, and durability
Label:Do easy-to-buy Web projects, due to the database insertion system time is not understood, often encountered problems: 1, java.sql.sqlexception:ora-01861: Text and Format strings do not match,Cause: Due to the incorrect acquisition system time type, it should be systdate The following describes the insertion of the current system time for Oracle, DB2, SQL Server, MySQL database For example, there are two fields in table table,table: Name, Makedat
DB2 Common CommandsFirst, the basic article1. DB2 Connect to DB2 Connect to 2. DB2 force application All--forcing all applications to disconnect from the database3. DB2 Backup DB db2name4, DB2 list application--View all connection
Tags: DB2 Database Introduction DB2 Introduction DB2 Components"Progressive DB2.DBA system Management, operation and application Case" (New) Reading notes 1Brief History of database development and DB2 introductionThe fundamental purpose of database generation and developmen
Brief introduction UNIX and Linux users typically check the processes running on their servers to perform problem analysis and to check the resources consumed in the server. This information is useful not only for administrators who perform issues and resource analysis, but also for those who develop high availability and failover scripts that monitor the DB2 process to determine when operations such as database restarts or server failover are require
1.1 preparations before installation Create db2 management users, management groups, and instance users # Groupadd db2user # Groupadd db2adm # Useradd-g db2adm-G db2user-m-d/home/db2 db2 Note: The-p parameter is followed by the password, which is currently blank. Change the password. 1.2 System Installation Method 1.2.1 CD installation method 1) In general, th
The DB2 tutorial being looked at is: DB2 UDB V8.1 Management Learning Notes (ii).Table space types are divided into SMS and DMS, respectively, system management spaces, database management. SMS is easy and easy to use and eliminates the need to manually create and maintain data storage files. The DMS needs to manually specify the file name of the container and stored data, and ensure that sufficient disk sp
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