.
what DB2 the CREATE database mydb databases
DB2 creates a number of files, including log files, configuration information, history files, and three default tablespace. These table spaces are:
Syscatspace: This is where the DB2 system catalog is
DAS Management ServerIn order for the remote client to be able to control the database server with the control center, it is necessary to install DAS on the database server, of course, if it is only remote connection rather than remote management, you can not install, here I installed a bit.[Email protected] expc]# groupadd-g2002Db2asgrp[[email protected] expc]# useradd-m-g db2asgrp-d/home/db2as db2as[[ema
backup and recovery functions of the database, users can use it to easily migrate a DB2 database from one physical node to another physical node. However, the backup and recovery functions of DB2 currently only support migration between homogeneous operating system platforms, for example, from Windows to Windows, from
DASCRT completed successfully.
[Root@localhost instance]# Su-db2as
[Db2as@localhost ~]$ db2admin start
sql4409w The DB2 administration Server is already active.
9, set the port number
code as follows:
Vim/etc/services
At the end add a line of # Ps:vim shortcuts, enter "G" in command mode to jump to the last line.
code as follows:
Db2inst1 50000/tcp
10,
This article describes how to execute SQL scripts in the DB2 command window for your reference.
You can run SQL scripts in the Command Editor, DB2 command window in Windows, or shell in Linux. Run the following SQL statement in the windows
DB2 tablespace redirection recovery database practice
DB2's backup recovery is a bit pitfall. When the path settings of the source and target systems are different, manual redirection recovery is required. This article is a summary process after my actual operations and is for reference only.
1. Issue A redirection recovery c
After an old DB2 database on the test machine stops the database normally, the sql1_2c error is reported when the database is started. The details are as follows:
# Su-db2inst1
$ Db2start
2013-04-23 13:23:08 0 0 sql1_2c An unexpected system error occurred.
SQL1032N No start databa
The following article describes how to create a database Partition on a DB2 database. You can use the following command to create a db instance in the actual draft: db2icrt-s ESE-u db2admin, aaa123456-h anwenhao dbinstancename.
Create database partition
1. Create a db inst
DB2 databaseIt is a distributed database solution of IBM. It has a high technical level and plays an important role in the database industry. This article outlines six methods to execute DB2 commands.
Environment product: DB2 UDB
Platform: z/OS
Version: v8
Q: How do I ex
This is installed on the IBM RS6000 operating system for AIX and is identical on HP9000
1. Register as a user with superuser privileges (root)
2. Insert the software CD labeled "DB2 Common Database Enterprise Edition" into the drive
3. Enter the following command to create a directory to install the CD-ROM:
# Mkdir-p/cdrom where CDROM represents the CD-ROM in
* * Configuration'll be updated accordingly.
Reserve_remote_connection=yes
*svcename=db2c_db2inst1
* * CHAR (14)
*svceport=48000
* * Valid value:1024-65535
** --------------------------------------
* * Reserve DB2 Text Search service entry
** --------------------------------------
* * Valid value is NO and YES. Change to YES If you are need to do the reservation.
* * If Svcename_text_search and/or svceport_text_search are defined and valid,
* * T
DB2 database authorization is implemented through the GRANT command. After DB2 database authorization, users can perform corresponding operations on DB2.
DB2
Note the Chinese garbled characters in the load command for DB2 data import solution: when you use the load command on windows to import tables to the database today, the Chinese characters in the data are garbled. Command: The Chinese characters in the table www.2cto.com
This document describes the offline and online full backup, Incremental backup, and recovery operations for DB2 databases for your reference. DB2 provides high-level data availability, integrity, security, recoverability, and execution capabilities for small-scale to large-scale applications. It also has basic platform-independent functions and SQL commands.
1. Full offline backup
(1) first, make sure tha
establish a connection, inconsistent databases generate Returned Code and error messages ). You cannot recover the transaction records stored in the memory, but you can restore the inconsistent database to a consistent and available state by performing the database crash recovery operation named DB2.
The most common way to start the crash recovery is to execute
database.3. View DB2 License Status[Root@localhost ~]$ Su- db2inst1[db2inst1@localhost ~]$ db2licm-l4. View DB2 version[Root@localhost ~]$ su db2inst1[db2inst1@localhost ~]$ db2levelThird, create the default databaseExecute directly in the command-line window (under the Db2inst1 instance user):Db2samplNote, here the
the database. This is called offline backup ). (See Table 1)The DB2 database uses the BACKUP command to back up data. The BACKUP Command requires the permissions of SYSADM, SYSCTRL, or SYSMAINT. Its syntax is: backup database ali
FORCE_UNINSTALL)The failure to uninstall DB2 may result from several factors, such as the user modifying the system registry, DB2 UDB file or directory structure. In this case, we must use the force uninstall method.
This method requires the msiexec program to uninstall the DB2 database, and you also need to manually
When using the IMPORT Command provided by DB2 for data IMPORT, all constraints must be verified, all loaded rows will be logged, and the trigger will be activated, therefore, when loading a large amount of data, the performance of the IMPORT utility is significantly lower than that of the DB2 LOAD utility. To improve the IMPORT performance, here we provide you wi
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