db2 delete

: Create a database The simplest way to create a database is to manually add the database part to the response file. Of course, you will be prompted to create it at the end of the previous installation process. Is the database part included in the sample response file: Summary: You can install DB2 transparently in the installation program by using the DB2 response file. It does not require

When the Rollback Recovery mode is enabled for the DB2 database, the log is changed from the cyclic log mode to the archive log mode, so that the user can restore the database or tablespace after the backup, roll back the transactions in the archive log to restore the transactions committed after the database backup time point to maximize the protection of database data. In order to quickly import data, the LOAD utility of

are allowed to update dbmcfg, they are also the only users who can grant any sys* permissions to other groups. The following example shows how to grant SYSADM permissions to the DB2GRP1 group: DB2 update dbm CFG usingsysadm_group DB2GRP1 2. Get Sysctrl Users with Sysctrl permissions can perform all administrative and maintenance commands within the instance. However, unlike SYSADM users, they cannot access any data in the database unless they are gr

DB2 Alter Table introduction and use of normal Table modification and creation, you need to consider the following two situations: 1. when data is stored in a table, you can only modify the Data Type of the column to a compatible data type, or keep the original data type unchanged, the length is reduced (cannot be smaller than the maximum length of the stored value), or the table length is increased. 2. modification without data columns in the table c

1. Startup instance (DB2INST1): Db2start 2. Stop instance (DB2INST1): Db2stop 3. List all instances (DB2INST1) Db2ilist 5. List the current instance: DB2 Get Instance 4. View the sample configuration file: DB2 Get DBM Cfg|more 5. Update Database Manager parameter information: DB2 update dbm CFG using Para_name para_value 6. Create a database:

management tasks. Together with the DB2 Discovery utility, you can find information about DB2 instances, databases, and other DB2 Management Servers. The configuration assistant and control center use this information to simplify and automatically execute the connection Configuration between the client and the DB2 dat

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 drive3. Enter the following command to create a directory to install the CD-ROM:# Mkdir-p/cdrom where CDROM represents the CD-ROM installation directory.Assign the CD-ROM file system by entering the following command:# Smitty Sto

Common DB2 commandsI. Common commands Command Description Db2start Start the current instance Db2stop Stop current instance Db2stop force Force stop the current instance Db2icrt Create an instance Db2idrop Delete An Instance Db2ilist List instances Db2 get instance

. learn about your DB2 version 92. learn about date operations 93. learn how to select 94 for large-capacity insert. understand Skip locked data (V9) to avoid locking 95. sort the input stream 96. if you need true uniqueness, you can use the V8 generate_unique function 97. learn about the new option 98 for declaring a temporary table. note 99 when running get diagnostics. sort the in list by 100 as appropriate. combined with select update and

DB2 obtains detailed information about the current user table, field, index, and so on. db2 current user Obtain detailed information about all tables, fields, and indexes. SELECT d. name tbName, COALESCE (d. remarks, '') tbDesc,. name columnName,. coltype columnType, decode (. nulls, 'y', '1', '0') notNull, decode (. identity, 'y', '1', '0') auto,. longlength width,. scale precision, COALESCE (. remarks,

Label:Connect reset should terminate the database connection with a commit action terminate should be able to terminate this client-initiated process and release resources Terminate is a command, in addition to disconnecting, it also terminates the CLP (command line processor) background process, which is the common db2bp.connect reset is the SQL statement quit Exit CLP, but the database connection is constantly open connect reset disconnects the database but does not exit the CLPterminate

EDT /opt/ibm/db2/v9.1_02 9.1.0.1 1 Thu Sep 7 16:52:14 2006 EDT The user cannot uninstall the DB2 software using the native operating system utilities (such as ramp or Smit). To uninstall the DB2 product, you should run the Db2_deinstall command, which is located under the installation directory. Example: %/opt/ibm/db2