How to Connect to a DB2 Database

How to Connect to a DB2 Database

To run any SQL or perform runstats or other actions, you must establish a connection to a DB2 database. Connecting to a Database Connecting to an existing database on the same database server the database exists on, or connecting to an already cataloged database is...
How to Catalog a DB2 Database

How to Catalog a DB2 Database

In order to connect to a DB2 database that is not on the server or workstation you’re connecting from, you’ll need to make DB2 aware of that database by cataloging it, unless you’re using JDBC type 4 drivers. JDBC type 4 drivers do not require that a...
MySQL Query Cache – Use it or Disable it?

MySQL Query Cache – Use it or Disable it?

Having frequently repeated SELECT queries and their results stored in memory can significantly optimize performance on your MySQL database. The query cache will perform such a task however, you must analyze whether your query cache is effective for your workload or if...
Three reasons to not use binlog_ignore_db in MySQL

Three reasons to not use binlog_ignore_db in MySQL

The option binlog_ignore_db can be used to exclude certain information from the binary log by setting the option equal to a given database name. However, we advise our clients to not use this option. Why? The binary log is a valuable resource for point in time...
Using DB2’s Native Encryption Feature

Using DB2’s Native Encryption Feature

With fixpack 5 of DB2 10.5, IBM introduced Native Encryption for data at rest in DB2. This is a fairly significant new feature for introduction in a fixpack. It does require separate licensing – either the Advanced Edition of ESE or WSE or the separate purchase...