SQL Server has had the native ability to encrypt data since SQL Server 2005. This included functionality that could be used to encrypt individual items and columns of data as well as the Transparent Data Encryption (TDE) feature which was available with the enterprise edition of SQL Server and could be used to encrypt all data where it is stored on disk. We then didn’t see significant additions to the features available for encryption until 2016 when Microsoft added Always Encrypted for column ...
1. Purpose of Encryption and Available Tools
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