MongoDB ServerStatus Health Check Tips

MongoDB ServerStatus Health Check Tips

MongoDB ServerStatus is the main command used to produce a huge document containing important metrics and information about your database. When performing a health check, there are several important keys that you’ll want to be aware of inside serverStatus. The...
ERROR 1114 – The table is full

ERROR 1114 – The table is full

At XTIVIA, we have encountered the MySQL Error 1114, “table is full” on quite a few occasions. The description for the error is usually misleading as it implies that a table has reached or exceeded a maximum set limitation. Tables utilizing the InnoDB...
Login Failed – Microsoft SQL Server, Error: 18456

Login Failed – Microsoft SQL Server, Error: 18456

SQL Error 18456 is likely the most common error one will encounter using SQL Server. Error 18546 isn’t only commonplace, but also ambiguous. Generally, Error: 18456 is a result of a login failure. Follow the steps below to try and resolve the issue. Are you connecting...
Oracle Client 12c Install for SQL Server

Oracle Client 12c Install for SQL Server

Obtain the Oracle client binaries from Oracles site http://www.oracle.com/technetwork/database/enterprise-edition/downloads/database12c-win64-download-2297732.html Click on “Accept License Agreement” For 32 bit: Look for “Oracle Database Client...
Changing Storage in an Always On Environment

Changing Storage in an Always On Environment

I was recently given a task to move a few multi-terabyte databases inside of an availability group from SAN A to SAN B within a 10-minute window. The good news was there was plenty of time to plan and prepare. For the purpose of this example, I will be using a very...
SQL Server: Replicating Indexed Views as Tables

SQL Server: Replicating Indexed Views as Tables

Replicating Indexed Views as tables, instead of replicating all base tables and then creating an indexed view against those base tables, allows for a smaller subset of data to be replicated over. If you replicate base tables and then create an indexed view,...