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DB2 installation issue : The hostname is invalid

During DB2 installation you might get error The hostname is invalid. We get this error if your hostname is not properly configured and mapped to an IP Address which is reachable.While performing DB2...

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Setup VM for DB2

Every DBA must have a VM to play around, it can be either a VM in public cloud like AWS, Azure, GCP, IBM Cloud etc. or you can build your own VM on your system. If you have a system with processor...

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Red Hat Linux 8.2 Installation

In previous blog we have seen how to install and create a new VM in Oracle VirtualBox, if you have not read it, you can check Setup VM for DB2 LUW installation post. In this post we will install Red...

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db2_deinstall error : DBI20081E The installer detected that there is not...

During DB2 client uninstall you can encounter error DBI20081E  The installer detected that there is not enough free disk space in "/tmp". Free space detected in "/tmp" is: "1811268" (measured in...

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SQL0803N SQLSTATE=23505 Error on table with IDENTITY column

SQL0803N SQLSTATE=23505 or SQLCODE=-803 SQLSTATE=23505 error in DB2 LUW indicates you are trying to Insert, Update row which violates Primary Key, Unique Constraint or Unique index on a table. This...

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DB2 Native Encryption

IBM introduced DB2 Native Encryption with DB2 10.5 FP 5. DB2 Native encryption, encrypt db2 backup image and key database files like tablespace containers, transaction logs, archive logs, load copy...

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How to Encrypt DB2 Database

In blog DB2 Native Encryption we went through introduction to DB2 Native Encryption, license requirement, Data Encryption and Master Key, different Keystore supported by DB2, operation for which...

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DB2 SSL

DB2 Native Encryption protects your DB2 database against threat at rest but this does not secure your data at transit. Even though your database is encrypt but malicious user can tap communication...

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SQL10007N Message "-1390" could not be retrieved. Reason code: "3"

When working with remote databases you might receive error SQL10007N Message "-1390" could not be retrieved.  Reason code: "3". You might receive SQL10007 Reason Code 3 in  your application as well....

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How to Encrypt DB2 Database using Centralized KeyStore

In blog How to Encrypt DB2 database we went through step by step process of configuring DB2 Native Encryption using Local KeyStore. Local KeyStore has overhead of backup and maintenance and in case...

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Top Database Websites and Blogs

 ChoudharySumit.com has bee ranked  at 26 spot in Top 80 Database Websites and Blogs. To check complete list click here.There are very good blogs and websites in this list and been selected as one the...

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Add additional Storage to VM hosted on Oracle Virtual Box

In blog Setup VM for DB2, we went through step by step process to setup a Linux VM hosted on Oracle Virtual Box. After setting up your VM, you might be in a situation where you want to create a new...

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Download IBM DB2

As part of your day to day activity as DB2 DBA, you might have come across requirement to install specify version of DB2, apply DB2 fix pack, install DB2 client on application servers or provide DB2...

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ChoudharySumit.com Completed 4 Months

Today 7th Jan 2021 ChoudharySumit.com completed 4 months since first blog was published. ChoudharySumit.com is extremely thankful and overwhelmed to share below statistics:This was possible due to...

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SQL1768N Unable to start HADR. Reason code = "5"

While initializing DB2 HADR you might receive error  SQL1768N  Unable to start HADR. Reason code = "5".  There are multiple scenario in which you might receive SQL1768N  Reason Code 5. In this blog we...

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Shared Folder Access in Oracle Virtual Box Linux VM

You might be in a situation in which you need a shared file system between multiple VM or between your VM and host OS on which you can perform both read and write operation simultaneously. Oracle...

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Encrypt DB2 HADR Database Setup without Downtime

In blog DB2 Native Encryption, How to Encrypt DB2 Database, How to Encrypt DB2 Database using Centralized KeyStore we went through DB2 Native Encryption and understood step by step process to encrypt...

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Enable SSL for DB2 HADR Communication

In blog DB2 SSL we went through importance of SSL and steps to configure SSL for DB2 communication both at DB2 Server side and client side. In this blog we will go through steps to configure SSL for...

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Create SAMPLE database in DB2

In this blog we will go though steps to create sample database. You might need SAMPLE database with tables, views, index, function, procedure and dummy data to conduct POC or for testing, learning...

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Tablespace Management in DB2

Tablespace is logical collection of containers which contains actual data of database. In DB2 LUW there is 3 types of tablespace SMS (System Managed Spaces), DMS (Database Managed Spaces) and Automatic...

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