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We know how difficult managing a database can be. Luckily, we’re here to share our experiences troubleshooting, building, improving, and operating them. Browse blogs below, and feel free to comment!

Percona XtraBackup Example

Percona XtraBackup Example

For this example, the following software versions were in use: Ubuntu v20.04.3MySQL server v5.7.35Percona XtraBackup v2.4.24 It is important to note that Percona XtraBackup 8.0 is not compatible with MySQL version 5.7 and was introduced for use with MySQL version 8.0....

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Encrypted Replication for MySQL

Encrypted Replication for MySQL

Encrypted connections for MySQL replication are the default as of 8.0. The following simple example shows a basic setup for encrypted replication using Ubuntu 20.04 and MySQL Community 8.0.27. The steps may be similar for other Linux distributions. The necessary files...

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Validating Db2 Software Download Integrity

Validating Db2 Software Download Integrity

With the release of Db2 11.5.7.0, IBM has finally started providing cryptographically signed installation image files. This is important because it provides a means to verify that the installation image has not been tampered with or corrupted during download....

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Is it Safe to Drop a Tablespace?

Is it Safe to Drop a Tablespace?

When IBM switched from old-school DMS and SMS tablespaces to Automatic Storage tablespaces, it became significantly easier for DBAs to create and manage tablespaces. This can lead to a proliferation of tablespaces; over time, some of these tablespaces may no longer be...

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Finding the Size of Individual Indexes

Finding the Size of Individual Indexes

Recently I had a client ask me if there was a way to calculate the size of individual indexes on a table and how to interpret what is reported by the table function sysproc.admin_get_index_info. The client asked whether the value is reported as a sum per table or per...

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