anchor.diff:  ~~~~~~~~
   
   .Data type synonyms
  -[options="header,autowidth",cols="m,m"]
  -|===
  -| synonym | datatype
  -
  -| binary varying | varbinary
  -
  -| [national] character[(n)] | [n]char[(n)]
  -
  -| [national] character varying(n) | [n]varchar(n)
  -
  -| [national] text | ntext
  -
  -| dec | decimal
  -
  -| integer | int
  -
  -| double precision | float
  -
  -| float(1-7) | real
  -
  -| float(8-15) | float
  -
  -| timestamp | rowversion
  +[format="tsv",frame="none",grid="none",stripes="odd",options="header,autowidth",cols="m,m"]
  +|===
  +synonym	datatype
  +binary varying	varbinary
  +[national] character[(n)]	[n]char[(n)]
  +[national] character varying(n)	[n]varchar(n)
  +[national] text	ntext
  +dec	decimal
  +integer	int
  +double precision	float
  +float(1-7)	real
  +float(8-15)	float
  +timestamp	rowversion
   |===
   
   Current Timestamp Variants
   ~~~~~~~~~~~~~~~~~~~~~~~~~~
   
   .Current timestamp in various datatypes (nondeterministic)
  -[options="header,autowidth",cols="m,m,s"]
  -|===
  -| function | datatype | detail
  -
  -| current_timestamp | datetime | ANSI SQL standard equivalent of getdate()
  -
  -| {fn current_date()} | varchar(10) | ODBC cannonical system date
  -
  -| {fn current_time()} | varchar(30) | ODBC cannonical system time
  -
  -| {fn now()} | datetime | ODBC cannonical equivalent of getdate()
  -
  -| getdate() | datetime | current system date and time
  -
  -| getutcdate() | datetime | current UTC date and time
  -
  -| sysdatetime() | datetime2(7) | current system date and time
  -
  -| sysdatetimeoffset() | datetimeoffset(7) | current date and time with timezone
  -
  -| sysutcdatetime() | datetime2 | current UTC date and time
  -|===
  +[format="tsv",frame="none",grid="none",stripes="odd",options="header,autowidth",cols="m,m,s"]
  +|===
  +function	datatype	detail
  +current_timestamp	datetime	ANSI SQL standard equivalent of getdate()
  +{fn current_date()}	varchar(10)	ODBC cannonical system date
  +{fn current_time()}	varchar(30)	ODBC cannonical system time
  +{fn now()}	datetime	ODBC cannonical equivalent of getdate()
  +getdate()	datetime	current system date and time
  +getutcdate()	datetime	current UTC date and time
  +sysdatetime()	datetime2(7)	current system date and time
  +sysdatetimeoffset()	datetimeoffset(7)	current date and time with timezone
  +sysutcdatetime()	datetime2	current UTC date and time
  +|===
  
positive.code: 
  | | 131 |  | dd/MM/yyyy hh:mm:ss.fff…tt | Hijri
  
  5+a|
  * MMM = Jan, …, Dec; tt = AM or PM; T = T
  * HH = 24-hour hours, fff… = all fractional seconds digits available
  * cast(datetime as varchar) ≡ convert(varchar, datetime, 0)
  
negative.code: ~~~~~~~~~~~~
  
  .+convert(varchar, @datetime, CODE)+
  [options="header,footer,autowidth",frame="none",grid="none",stripes="odd",cols=">1m,>1m,>1m,8,6"]
  |===
  
  2+| yyyy codes | yy code | format | name
  