Searching Binary Data in SQL Server 2012
More and more data collected in organizations is in an encoded format, essentially a binary classification of data. These can be images, audio files, video, or even common formats like Word and Excel files. This data contains lots of important data, but the formatting must be stripped out in order for users to effectively search this data.This presentation starts with a discussion of the three types of data in SQL Server to set the framework. It demos and explains:
- structured data
- semi-structured data
- unstructured data
The talk then looks at how unstructured data is stored in SQL Server, specifically briefly looking at Filestream and Filetable.There is a short discussion of full text search, with a look at the changes in SQL Server 2012 before moving on to the iFilter interfaces which are used to search the binary data while ignoring the encoding.
There are demos of the basics of CONTAINS and FREETEXT searches, along with some of the more advanced options, like customizable NEAR and weighting of search terms.The talk finishes with a short look at the new semantic search feature in SQL Server 2012.
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Steve Jones is currently the editor of SQLServerCentral, employed by Red Gate Software. Steve has been working with SQL Server for two decades at a variety of large and small companies. Steve has spent time as a hiring manager as well as a technical DBA, easily moving back and forth between these positions at different employers. He has managed Windows networks, functioned as a production DBA, development DBA, software developer, and DBA manager. His work has included start-up as well as Fortune 1000 companies in the power, financial, education, and software industries. He currently has his dream job managing the largest SQL Server community on the Internet from his ranch in Colorado and writes a daily editorial at SQLServerCentral.
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