MySQL Error – Packet Too Large

MySQL Error – Packet Too Large

A MySQL error commonly encountered is to have “packet too large” reported and it is often coupled with a “lost connection to MySQL server during query” error as the server closes the connection. The errors occur when a MySQL communication...
The MySQL InnoDB Buffer Pool

The MySQL InnoDB Buffer Pool

The MySQL InnoDB storage engine is used by default in all newer versions of MySQL (5.5.5+). As a well-performing transactional storage engine with crash recovery capability, it is the storage engine of choice for most database settings. One of the most important...

Using db2prereqcheck to Check Prerequisites for Db2 LUW

What is db2prereqcheck? db2prereqcheck is a tool IBM provides to check for all OS and software prerequisites prior to and during the installation of Db2. It is included with every fixpack and base code that Db2 provides. When to use db2preqcheck Use db2prereqcheck...
Db2 Table Row (Tuple) Size

Db2 Table Row (Tuple) Size

The row size for a table in Db2 is important in several ways. It determines which page size can be used for a tablespace, and it can help us estimate table size – either optimal or future. Selecting a Page Size Db2 page sizes are adjustable only for tablespace...