K
Keith Sudbury
Guest
Seconding the recommendation for looking at the TDE documentation... it is pretty clear on how TDE works and covers the limited number of "gotchas" you need to worry about. In the real world I have never seen a need to use TDE on a single row or subset of rows. Either you need to encrypt the table because you store sensitive data or you have some special data that needs to be hidden from general view via security settings. BTW - Performance for OE encryption is very much in line with the TDE offerings from other databases (Oracle, SQL Server, etc.). Meaning less than 5% difference for heavy updates of encrypted vs non encrypted data.
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