Sorry I am new to SQl and it had been assigned to me the encryption of columns. i mean im new to sql performance. thanks in advance
Encryption and decryption action performed by a symmetric key. It is fast, and suitable for routine use with sensitive data in the database.
May it help yours for the encryption of columns in SQL https://msdn.microsoft.com/en-IN/library/ms179331.aspx
Any feedback will highly appriciated.