SoFunction
Updated on 2025-04-14

IBM DB2 daily maintenance summary (IV)

The db2 tutorial we are watching is: IBM DB2 daily maintenance summary (IV). 46. ​​How to quickly clear a large table?
ALTERTABLETABLE_NAMEACTIVENOTLOGGEDINITALLYWITHEMPTYTABLE
    ALTER TABLETABLE_NAME ACTIVE NOT LOGGED INITALLY  WITH EMPTYTABLE
The delete action between two commits does not record the log.
    commit 
    alter table ab activate not logged intially 
    delete ab where id >1000 
    commit 
(The created table ab does not log: create table ab (id int) not logged initially)

47. How to view the database package?
select*

48. How to view the stored procedures of the database?
SELECT*

49. How to view the constraints of tables?
SELECT*='AAAA'

50.How to view the complete constraints for references of a table?
SELECT*='AAAA'

51. What is the default case name for installing DB2?
The default is DB2 in WINDOWS or OS/2
In LINUX or UNIX environment, the default is DB2INST1

52. What is the default account after installation?
The default is DB2ADMIN in WINDOWS or OS/2
In LINUX or UNIX environment, the default is DB2AS

53. What are the types of cases?
CLIENT (customer)
STANDALONE (independent)
SATELLITE (Satellite)
EEDB2
EEE

54. How to create an example?
DB2ICRTINSTNAME<...PARAMETERS>

55. How to list all available examples on the system?
DB2ILIST

56. How to know which example is used in the current conversation?
GETINSTANCE

57. How to update the configuration of the case?
DB2IUPDT

58. How to delete examples?
DB2IDROPINSTANCE_NAME
The specific steps are as follows:
Stop all applications on the case
Execute DB2TERMINATE on all open command lines
Run DB2STOP
Backup the example directory pointed out by the DB2INSTPROF registration variable
Logout case All loginers
Using DB2IDROP
You can also delete the ID

59. How to list all products with license information on the local system?
DB2LICM-L

60. How to add a product license?
DB2LICM-AFILENAME

61. How to delete a license for a product?
DB2LICM-RPRODUCTPASSWORD

62. How to update the number of licenses purchased?
DB2LICM-U

63. How to force only the purchased quantity to be used?
DB2LICM-EHARD