Add Datetime2

Author: MikeRayMSFT

docs/t-sql/functions/sql-variant-property-transact-sql.md

@@ -43,8 +43,8 @@ SQL_VARIANT_PROPERTY ( expression , property )
 |Value|Description|Base type of sql_variant returned|  
 |-----------|-----------------|----------------------------------------|  
 |**BaseType**|[!INCLUDE[ssNoVersion](../../includes/ssnoversion-md.md)] data type, such as:<br /><br /> **bigint**<br /><br /> **binary**<br /><br /> **char**<br /><br /> **date**<br /><br /> **datetime**<br /><br /> **datetime2**<br /><br /> **datetimeoffset**<br /><br /> **decimal**<br /><br /> **float**<br /><br /> **int**<br /><br /> **money**<br /><br /> **nchar**<br /><br /> **numeric**<br /><br /> **nvarchar**<br /><br /> **real**<br /><br /> **smalldatetime**<br /><br /> **smallint**<br /><br /> **smallmoney**<br /><br /> **time**<br /><br /> **tinyint**<br /><br /> **uniqueidentifier**<br /><br /> **varbinary**<br /><br /> **varchar**|**sysname**<br /><br /> NULL = Input is not valid.|  
-|**Precision**|Number of digits of the numeric base data type:<br /><br /> **datetime** = 23<br /><br /> **smalldatetime** = 16<br /><br /> **float** = 53<br /><br /> **real** = 24<br /><br /> **decimal** (p,s) and **numeric** (p,s) = p<br /><br /> **money** = 19<br /><br /> **smallmoney** = 10<br /><br /> **bigint** = 19<br /><br /> **int** = 10<br /><br /> **smallint** = 5<br /><br /> **tinyint** = 3<br /><br /> **bit** = 1<br /><br /> All other types = 0|**int**<br /><br /> NULL = Input is not valid.|  
-|**Scale**|Number of digits to the right of the decimal point of the numeric base data type:<br /><br /> **decimal** (p,s) and **numeric** (p,s) = s<br /><br /> **money** and **smallmoney** = 4<br /><br /> **datetime** = 3<br /><br /> all other types = 0|**int**<br /><br /> NULL = Input is not valid.|  
+|**Precision**|Number of digits of the numeric base data type:<br /><br /> **datetime** = 23<br /><br />**datetime** = 27<br /><br /> **smalldatetime** = 16<br /><br /> **float** = 53<br /><br /> **real** = 24<br /><br /> **decimal** (p,s) and **numeric** (p,s) = p<br /><br /> **money** = 19<br /><br /> **smallmoney** = 10<br /><br /> **bigint** = 19<br /><br /> **int** = 10<br /><br /> **smallint** = 5<br /><br /> **tinyint** = 3<br /><br /> **bit** = 1<br /><br /> All other types = 0|**int**<br /><br /> NULL = Input is not valid.|  
+|**Scale**|Number of digits to the right of the decimal point of the numeric base data type:<br /><br /> **decimal** (p,s) and **numeric** (p,s) = s<br /><br /> **money** and **smallmoney** = 4<br /><br /> **datetime** = 3<br /><br />**datetime2** = 7<br /><br /> all other types = 0|**int**<br /><br /> NULL = Input is not valid.|  
 |**TotalBytes**|Number of bytes required to hold both the metadata and data of the value. This information would be useful in checking the maximum side of data in a **sql_variant** column. If the value is larger than 900, index creation fails.|**int**<br /><br /> NULL = Input is not valid.|  
 |**Collation**|Represents the collation of the particular **sql_variant** value.|**sysname**<br /><br /> NULL = Input is not valid.|  
 |**MaxLength**|Maximum data type length, in bytes. For example, **MaxLength** of **nvarchar(**50**)** is 100, **MaxLength** of **int** is 4.|**int**<br /><br /> NULL = Input is not valid.|