seconds. Wait for a long time on the lock will produce an avalanche effect on the lock.
First, run the following command to check the value of LOCKTIMEOUT:
db2 "get db cfg for DBNAME"
And find the rows that contain the following text:
Lock timeout (sec) (LOCKTIMEOUT) = -1
If the value is-1, consider using the following command t
subordinate rows, the corresponding data rows will be locked after the table is locked. Whether an application adds a row lock or a table lock or a row lock is determined by the Command executed by the application and the isolation level of the system.
2.2.1 DB2 table lock mode
For Table-level locking, DB2 can use the following locking methods:
Table 1:
Tags: SQL Top 4.0 user name height mil div CPI Server1. Download IBM Data Server Client First, Baidu Cloud Link: Http://pan.baidu.com/s/1kVBVjan Password: 2GTZ 2. After installing the client, open cmd and run db2cmd. Then perform the following steps in Db2cmd.
The first step is to create the node
Syntax: DB2 catalog TCPIP nodes
Example: DB2
AboutDB2 databaseThe explanation of the main misunderstanding of Performance Understanding is more suitable for beginners who are just getting started to learn, and provides a good reference for everyone to master the knowledge of DB2 database, in this way, we have mastered the correct knowledge and avoided detours in the future, hoping to help you.
Main misunderstandings about
DB2 database backup restore db2 online backup command: www.2cto.com db2 connect to DBName user userName using passworddb2 update db cfg for DBName using logretain ondb2 force applications alldb2 backup db DBName online TODD: /db2bak can write the above four commands in a bat
Today, we will mainly tell you how to use the redirection recovery operation to copy the DB2 database. If you want to copy the database from one machine to another, the simplest method is to restore the database from the backup image. The file system path used by the database
Label:Connect a local or remote database with a DOS operationThe steps are as follows: 1, build catalog 2, create alias 3, execute SELECT statement1, the doc input db2cmd, input DB2 catalog TCPIP node p600 remote 192.168.161.42 Server 50002 # Establish the alias of the database
greatly improves productivity compared to the need to learn a new interface. Access remote tables using the same syntax as selecting, inserting, updating, and deleting local tables. Of course, it is not possible to perform all table operations. Let's take a look at how to configure the federated database by actually doing it:Let's start with the pre-work, create a local database and a remote
import from ETL_BUSI_TYPE_TOSEND.IXF of ixf modified by forcecreate commitcount 10000 replace_create INTO ETL_BUSI_TYPE_TOSENDDb2 import from ETL_CONTACT_PEPOLE.IXF of ixf modified by forcecreate commitcount 10000 replace_create INTO ETL_CONTACT_PEPOLE
How to export only the table definitions from the ixf file instead of the table data in the ixf file in the DB2 database?
You can add a ROWCOUNT to specify
Problem: If you want to create a database behaveog in DB2, the prompt is always displayed:
Sql1005n the database alias "behaveog" already exists in the local database directory or system database directory"
Through DB2 list dB D
ts_user16 PAGESIZE 16K MANAGED by SYSTEM USING (' fsms_16k_1 ') bufferpool USER16"DB2 "CREATE REGULAR tablespace ts_user32 PAGESIZE 32K MANAGED by SYSTEM USINGCreate a temporary tablespace (for buffering query results or staging tables)Here is the code snippet:DB2 CREATE Bufferpool TMPBUF8 SIZE 10000 PAGESIZE 8KDB2 "CREATE temporary tablespace tempts_user8 PAGESIZE 8K MANAGED byPay permission to the relevant userHere is the code snippet:DB2 GRANT Dba
This article mainly describes the operations performed on the DB2 database, including getting the first 10 records, modifying the field length, and adding fields ), the following describes the operations on the DB2 database, including the top 10 operations, modifying the field length, and adding the field content. We h
-grained control over the installation process. However, this method cannot create database users and groups, create database instances, or configure after installation.
Description Configuration File Installation
The configuration file is a text file that contains the steps required for installation and configuration of DB2 9, the
The backup method of the DB2 partitioned database is different from that of the general backup method. The following describes how to implement the backup method of the DB2 partitioned database.
Backup operations on the DB2 partitioned d
--Simulate disaster, delete database (note BACKUP log)DB2 Drop DB TestDB
--Method 1: Restore the database manually based on the incremental backup fileDB2 Restore DB TestDB incremental from D:\DB2_Train taken at 20100426080406
C:\>DB2 Connect to TestDBSQL1119N cannot connect or activate the
The backup image file of the DB2 partitioned database is generated through online backup. After the Restoration Operation of the DB2 partitioned database is completed, the database will be in the roll-forward and hold state, you must use the rollback operation to roll back a
The following article mainly introduces the practical operation skills of the DB2 database for locking a single session. I have seen the actual operation skills of the DB2 database for locking a single session on the relevant website, and I think it is quite good, I will share it with you. The following is a detailed d
Today, we will share with you the actual operation process for establishing database Partition in DB2. The following describes the actual operation process for establishing database Partition in DB2, I hope this will help you in your future studies.
In the actual operation process, we need to create a db instance for t
If you are curious about how DB2 creates database partitions, this article will unveil its mysteries, this article describes how to correctly create database partitions and related commands on a DB2 database for your reference.
Create d
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