Configuration parameters for DB2 databases To ensure optimal performance of your database, you can configure database manager parameters and database configuration parameters. DB2 server optimization You can optimize the database server for better response time, output, and availability of the server. T...
command, where command can be the first few keywords of a database manager command. For example: ? CATALOG DATABASE for help on the CATALOG DATABASE command ? CATALOG for help on all of the CATALOG commands. To exit db2 interactive mode, type QUIT at the command prompt. Outside interactiv...
For command help, type: command, where command can be the first few keywords of a database manager command. For example: CATALOG DATABASE for help on the CATALOG DATABASE command CATALOG for help on all of the CATALOG commands. To exit DB2 interactive mode, type QUIT at the command prompt...
$ db2?db2[option...][db2-command|sql-statement|[?[phrase|message|sqlstate|class-code]]]option:-a,-c,-d,-e{c|s},-finfile,-i,-lhistfile,-o,-m,-n,-p,-q,-rreport,-s,-t,-td;,-v,-w,-x,-zoutputfile.db2-command:ACTIVATEDATABASEGETCONTACTGROUPSRECONCILEADDCONTACTGETCONTACTSRECOVER...
DB2 是 IBM 公司于 1983 年研制的一种关系型数据库系统(Relational Database Management System),主要应用于大型应用系统,具有较好的可伸缩性 。DB2 是 IBM 推出 的第二个关系型数据库,所以称为 db2。DB2 提供了高层次的数据利用性、完整性、安全性 、并行性、可恢复性,以及小规模到大规模应用程序的执行能力,...
commands from one of the database partitions: db2_all ’<<+0< db2 BACKUP DATABASE wsdb TO /dev3/backup’db2_all ’|<<-0< db2 BACKUP DATABASE wsdb TO /dev3/backup’ ##数据库和表空间恢复#数据库恢复 下面是 RESTORE 命令的语法: RESTORE DATABASE source-database-alias { restore-...
如果逾時配置為太低,或成員/分割區處於無法順利強制執行的狀態,則會結束成員/分割區,且可能需要損毀回復。db2start需要先執行,才能進行損毀回復並釋放任何保留的鎖定,然後db2stop以完全停止成員/分割區。 如需start_stop_time配置參數的相關資訊,請參閱STOP DATABASE MANAGER 指令中的使用注意事項小節。
System Database Directory Number of entries in the directory = 1Database 1 entry: Database alias = SAMPLE Database name = SAMPLE Local database directory = /home/db2inst Database release level = d.00 Comment = Directory entry type = Indirect Catalog database partition number = 0 Alternate ...
“REDISTRIBUTE DATABASE PARTITION GROUP” Data Links “ADD DATALINKS MANAGER” “DROP DATALINKS MANAGER” “LIST DATALINKS MANAGERS” Additional Commands “DESCRIBE” “ECHO” “GET AUTHORIZATIONS” “GET CONNECTION STATE” “GET INSTANCE” “GET ROUTINE” ...
You can issue database manager commands and SQL statements from thecommandprompt. For example: db2=>connect to sample db2=>bindsample.bnd For general help, type: ?. Forcommandhelp, type: ? command, wherecommandcan be the first few keywords of a database manager command. For example: ...