sql server column level encryption

Server 2008 introduces another level of encryption-transparent data encryption. TDE is a full database-level encryption that is not limited to fields and records, but protects data files and log files. TDE execution on a database

author David Durant,2014/11/05(First edition:2011/02/17)Original link:http://www.sqlservercentral.com/articles/Stairway+Series/72284/The seriesThis article is part of the "Stairway Series:Steps forSQL Server Indexing"indexes are the basis of database design and tell developers to use the database with regard to the designer's intentions. Unfortunately, when performance problems arise, indexes are often added as an afterthought. The end here is a simpl

SQL Server is recommended to restore the SQL code of the sequence number of the automatic Number Column SQL Server is recommended to re-restore the SQL code for the serial number of th

Pivot is used to rotate column values to column names (row to column), and SQL Server 2000 can be implemented with an aggregate function with a case statementThe general syntax for pivot is: Pivot (aggregate function (column) for

Tags: modify proc Name example pre Use Style server classSQL can encrypt the view. That is, you can permanently hide the text of a view definition. Note This action is not reversible. After you encrypt the view, you cannot modify it again because the view definition is no longer visible. If you need to modify the encrypted view, you must delete it and recreate the other view. Example code: Create ViewUserft as Selectusers.userid,users.

-increment column from the table. It then creates a sequence that does not have a cache function, inserting values based on this sequence. Here is the sample code: CREATESEQUENCE id_sequence as INTSTART with 1INCREMENT by 1MINVALUE0no MAXVALUE no CACHEInsert intoMytesttableValues(NEXTVALUE forId_sequence,'Mr.tom'); Insert intoMytesttableValues(NEXTVALUE forId_sequence,'Mr.jackson'); Registering Startup Parameters-t272 Open

Tags: alphabetic number will not TTY RAC 2.3 Association denied access match launchedby Don Kiely, 2014/06/18 The seriesThis article is part of the stair series: a staircase to SQL Server security. SQL Server has everything you need to protect your servers and data from today's sophisticated attacks. But before you can

SQL Server 2014 CTP2 publishes a feature for backup, which is native backup encryption. In view of the previously bad impact on the network database leakage events, is essentially a database backup leaked to the third party, SQL Server's original data backup can make even if the backup itself is stolen, without the

Label:Isolation level for SQL Server transactionsDatabase is to be shared by the vast number of customers to access, then in the database operation process is likely to occur in the following kinds of uncertainty.Update missing (Lost update)Two transactions update a row of data at the same time, but the second transaction fails to exit, resulting in two modificat

column on the Computecolumn table and create a nonclustered indexALTER TABLE dbo. Computecolumn Addfullname as (FirstName+"+LastName) gocreate nonclustered INDEX ix_ Compcol_citytrimon dbo. Computecolumn (FullName) GOCreate a computed column on a computecolumncompare tableALTER TABLE dbo.computecolumncompare addfullname_p as (FirstName+"+LastName) GOLast query two tables look at the results of the query pl

Note: SQL Server 2005 and above support. Version estimation is not supported (working environment 2005,2008).To work, you need to add a new column to the existing table in SQL Server and add a description. Thus there is a stored procedure as follows. (Attach the stored proce

), which is a key that encrypts and decrypts the same data.SQL Server allows these encryption capabilities to be placed in the encryption hierarchy. When SQL Server is installed, a server-leve