System versioned Tables (MS SQL 2016 ->)
A partir de la versión 2016, MS SQL integra el versionado (historial) de datos. ver también en sqltips
SQL SERVER
T-SQL 2016 NEW FEATURES
Stolen Copied from Adam Machanic’s blog (http://sqlblog.com/blogs/adam_machanic/archive/2017/01/13/sql-server-2016-hidden-gems-resources.aspx) STRING_SPLIT https://msdn.microsoft.com/en-us/library/mt684588.aspx Aaron Bertrand’s performance tests: https://sqlperformance.com/2016/03/sql-server-2016/string-split Session Context https://msdn.microsoft.com/en-us/library/mt605113.aspx Time Zone Support sys.time_zone_info: https://msdn.microsoft.com/en-us/library/mt612790.aspx AT TIME ZONE: https://msdn.microsoft.com/en-us/library/mt612795.aspx HASHBYTES https://msdn.microsoft.com/en-us/library/ms174415.aspx Session Wait Stats https://msdn.microsoft.com/en-us/library/mt282433.aspx Live Query Statistics https://msdn.microsoft.com/en-us/library/dn831878.aspx Ability to attach to other sessions’ Live Queries! https://blogs.msdn.microsoft.com/sql_server_team/query-progress-anytime-anywhere/ Actual Query Plan Data Enhancements …
AT TIME ZONE (T-SQL)
New time functions in SQL 2016 Converts an inputdate to the corresponding datetimeoffset value in the target time zone. If inputdate is provided without offset information, the function applies the offset of the time zone assuming that inputdate value is provided in the target time zone. If inputdate is provided as a datetimeoffset value, than …
SQL Server Backup Encryption
To encrypt a backup we need to configure an encryption algorithm (supported encryption algorithms are: AES 128, AES 192, AES 256, and Triple DES) and an encryptor (a certificate or asymmetric key). So if you don’t have a Database Master Key defined you need to create one.
DAC
Dedicated Administrative Connection: How to Enable the DAC for Remote Connections and Clusters EXEC sp_configure ‘remote admin connections’, 1; GO RECONFIGURE GO
SQL 2016 SP1 – Consistent Programming Surface Area
On 16th Nov 2016, Microsoft announced the support for ‘Consistent Programming Surface Area’ across all editions of SQL Server with few exceptions. Please refer to the https://blogs.msdn.microsoft.com/sqlreleaseservices/sql-server-2016-service-pack-1-sp1-released. The key value proposition is that it allows customers to use the same code base independent of the editions in SQL Server.
MS SQL Sparse Columns
Since MSSQL 2008, we can use SPARSE columns to reduce table size, in case we have frequent NULL or 0 values.Sparse columns are not counted in the max column per table limit (1024).(I would rather check that data model, it is not usual to have more than 80 columns in a single table) see Code
BCP simple example
from a command prompt (cmd) cd «C:\Program Files\Microsoft SQL Server\Client SDK\ODBC\130\Tools\Binn» bcp “Person.Address” out c:\data\Address.txt -S “127.0.0.1” -d AdventureWorks2014 -Usa -Psql -c -T Output file: C:\Program Files\Microsoft SQL Server\Client SDK\ODBC\130\Tools>bcp -? uso: bcp {tablabd | consulta} {in | out | queryout | format} archivo de datos [-m errores máximos] [-f archivo de formato] [-e archivo …