Firebird SQL syntax for VIM - http://pastebin.com/DNag96VC

firebird.vim

" Vim syntax file
" Language:    SQL
" Maintainer:  Scott Morgan < blumf7 at gmail dot com >
" Last Change: 2014-06-13
" Version:     1.0

" For version 5.x: Clear all syntax items
" For version 6.x: Quit when a syntax file was already loaded
if version < 600
    syntax clear
elseif exists("b:current_syntax")
    finish
endif

syn case ignore

" The SQL reserved words, defined as keywords.
setlocal iskeyword+==,<,>,!,~,^,|

syn keyword sqlConst    	null

syn keyword sqlType     	bigint blob char character date decimal double float
syn keyword sqlType     	int integer long numeric smallint sub_type time
syn keyword sqlType     	timestamp varchar

syn keyword sqlFunction 	abs acos ascii_char ascii_val asin atan atan2 bin_and
syn keyword sqlFunction 	bin_not bin_or bin_shl bin_shr bin_xor bit_length cast
syn keyword sqlFunction 	ceil ceiling char_length char_to_uuid character_length
syn keyword sqlFunction 	coalesce cos cosh cot dateadd datediff decode exp
syn keyword sqlFunction 	extract floor gen_id gen_uuid hash iif ln log log10
syn keyword sqlFunction 	lower lpad maxvalue minvalue mod nullif octet_length
syn keyword sqlFunction 	overlay pi position power rand rdb$get_context
syn keyword sqlFunction 	rdb$set_context replace reverse round rpad sign sin
syn keyword sqlFunction 	sinh sqrt substring tan tanh trim trunc upper
syn keyword sqlFunction 	uuid_to_char

syn keyword sqlStatement	alter as by commit create database delete drop execute
syn keyword sqlStatement	first for from group having index inner insert into
syn keyword sqlStatement	join left matching merge on order outer right rollback
syn keyword sqlStatement	select set shell union update using where with

syn keyword sqlOperator 	!< ^< ^= ^> , := != !> ( ) < <= <> = > >= "~<" ~= ~> "||"
syn keyword sqlOperator 	and escape in like not or similar unique values

syn keyword sqlKeyword  	begin

syn keyword sqlTypeMod  	default foreign key primary

syn keyword sqlObject   	domain exception function generator procedure role
syn keyword sqlObject   	table trigger view

syn keyword sqlFunction 	avg count list max min sum

" currently unspecified keywords
syn keyword sqlKeyword  	accent action active add admin after all always any asc
syn keyword sqlKeyword  	ascending at auto autonomous backup before between
syn keyword sqlKeyword  	block both break caller cascade case check close
syn keyword sqlKeyword  	collate collation column comment committed common
syn keyword sqlKeyword  	computed conditional connect constraint containing
syn keyword sqlKeyword  	cross cstring current current_connection current_date
syn keyword sqlKeyword  	current_role current_time current_timestamp
syn keyword sqlKeyword  	current_transaction current_user cursor data day dec
syn keyword sqlKeyword  	declare deleting desc descending descriptor difference
syn keyword sqlKeyword  	disconnect distinct do else end entry_point exists exit
syn keyword sqlKeyword  	external fetch file filter firstname free_it full
syn keyword sqlKeyword  	gdscode generated global grant granted hour if ignore
syn keyword sqlKeyword  	inactive input_type insensitive inserting is isolation
syn keyword sqlKeyword  	last lastname leading leave length level limbo lock
syn keyword sqlKeyword  	manual mapping matched maximum_segment middlename
syn keyword sqlKeyword  	millisecond minute module_name month names national
syn keyword sqlKeyword  	natural nchar next no nulls of only open option os_name
syn keyword sqlKeyword  	output_type overflow pad page page_size pages parameter
syn keyword sqlKeyword  	password placing plan post_event precision preserve
syn keyword sqlKeyword  	privileges protected rdb$db_key read real
syn keyword sqlKeyword  	record_version recreate recursive references release
syn keyword sqlKeyword  	requests reserv reserving restart restrict retain
syn keyword sqlKeyword  	returning returning_values returns revoke row_count
syn keyword sqlKeyword  	rows savepoint scalar_array schema second segment
syn keyword sqlKeyword  	sensitive sequence shadow shared singular size skip
syn keyword sqlKeyword  	snapshot some sort source space sqlcode sqlstate
syn keyword sqlKeyword  	stability start starting starts statement statistics
syn keyword sqlKeyword  	suspend temporary then timeout to trailing transaction
syn keyword sqlKeyword  	two_phase type uncommitted undo updating user value
syn keyword sqlKeyword  	variable varying wait week weekday when while work
syn keyword sqlKeyword  	write year yearday

" Strings and characters:
syn region sqlString		start=+"+  skip=+\\\\\|\\"+  end=+"+
syn region sqlString		start=+'+  skip=+\\\\\|\\'+  end=+'+

" Numbers:
syn match sqlNumber		"-\=\<\d*\.\=[0-9_]\>"

" Comments:
syn region sqlComment    start="/\*"  end="\*/" contains=sqlTodo
syn match sqlComment	"--.*$" contains=sqlTodo

syn sync ccomment sqlComment

" Todo.
syn keyword sqlTodo contained TODO FIXME XXX DEBUG NOTE

" Define the default highlighting.
" For version 5.7 and earlier: only when not done already
" For version 5.8 and later: only when an item doesn't have highlighting yet
if version >= 508 || !exists("did_sql_syn_inits")
  if version < 508
    let did_sql_syn_inits = 1
    command -nargs=+ HiLink hi link <args>
  else
    command -nargs=+ HiLink hi def link <args>
  endif

  HiLink sqlKeyword		sqlSpecial

  HiLink sqlOperator	sqlStatement
  HiLink sqlSpecial		Special
  HiLink sqlFunction	Special

  HiLink sqlStatement	Statement
  HiLink sqlObject		Identifier
  HiLink sqlType		Type
  HiLink sqlTypeMod		Type

  HiLink sqlConst		String
  HiLink sqlString		String
  HiLink sqlNumber		Number

  HiLink sqlComment		Comment
  HiLink sqlTodo		Todo

  delcommand HiLink
endif

let b:current_syntax = "sql"