脚本：SQLServer 2008 生成某数据库中的所有索引创建脚本

--1. get all indexes from current db, place in temp table
select
 
schemaName = s.name,

tablename = object_name(i.id),
  
tableid = i.id,
 
indexid = i.indid,
  
indexname = i.name,
 
i.status,
   
isunique = indexproperty (i.id,i.name,'isunique'),
  
isclustered = indexproperty (i.id,i.name,'isclustered'),
    
indexfillfactor = indexproperty (i.id,i.name,'indexfillfactor')
into #tmp_indexes
from sysindexes i
INNER JOIN    sys.tables t ON i.id = t.object_id
INNER JOIN    sys.schemas s ON t.schema_id = s.schema_id
where i.indid > 0 and i.indid < 255                      --not certain about this
and (i.status & 64) = 0                                 --existing indexes
--add additional columns to store include and key column lists
alter table #tmp_indexes add keycolumns varchar(4000), includes varchar(4000)
go
--################################################################################################
--2. loop through tables, put include and index columns into variables
declare @isql_key varchar(4000), @isql_incl varchar(4000), @tableid int, @indexid int
declare index_cursor cursor for
select tableid, indexid from #tmp_indexes  
open index_cursor
fetch next from index_cursor into @tableid, @indexid
while @@fetch_status <> -1
begin
    
select @isql_key = '', @isql_incl = ''
  
select --i.name, sc.colid, sc.name, ic.index_id, ic.object_id, *
        
--key column
        
@isql_key = case ic.is_included_column 
         
when 0 then
                
case ic.is_descending_key 
                  
when 1 then @isql_key + coalesce(sc.name,'') + ' DESC, '
                    
else        @isql_key + coalesce(sc.name,'') + ' ASC, '
             
end
         
else @isql_key end,
         
 
        
--include column
        
@isql_incl = case ic.is_included_column 
            
when 1 then
                
case ic.is_descending_key 
                  
when 1 then @isql_incl + coalesce(sc.name,'') + ', '
                   
else @isql_incl + coalesce(sc.name,'') + ', '
              
end
         
else @isql_incl end
 
from sysindexes i
   
INNER JOIN sys.index_columns AS ic ON (ic.column_id > 0 and (ic.key_ordinal > 0 or ic.partition_ordinal = 0 or ic.is_included_column != 0)) AND (ic.index_id=CAST(i.indid AS int) AND ic.object_id=i.id)
  
INNER JOIN sys.columns AS sc ON sc.object_id = ic.object_id and sc.column_id = ic.column_id
 
 
    
where i.indid > 0 and i.indid < 255
   
and (i.status & 64) = 0
 
and i.id = @tableid and i.indid = @indexid
  
order by i.name, case ic.is_included_column when 1 then ic.index_column_id else ic.key_ordinal end
  
 
    
if len(@isql_key) > 1    set @isql_key   = left(@isql_key,  len(@isql_key) -1)
   
if len(@isql_incl) > 1   set @isql_incl  = left(@isql_incl, len(@isql_incl) -1)
  
update #tmp_indexes 
    
set keycolumns = @isql_key,
     
includes = @isql_incl
   
where tableid = @tableid and indexid = @indexid
 
fetch next from index_cursor into @tableid,@indexid
 
end
close index_cursor
deallocate index_cursor
--remove invalid indexes,ie ones without key columns
delete from #tmp_indexes where keycolumns = ''
--################################################################################################
--3. output the index creation scripts
set nocount on
--separator
select '---------------------------------------------------------------------'
--create index scripts (for backup)
SELECT  
    
'CREATE ' 
  
+ CASE WHEN ISUNIQUE    = 1 THEN 'UNIQUE ' ELSE '' END 
 
+ CASE WHEN ISCLUSTERED = 1 THEN 'CLUSTERED ' ELSE '' END 
  
+ 'INDEX [' + INDEXNAME + ']' 
  
+' ON [' + schemaName + '].[' + TABLENAME + '] '
 
+ '(' + keycolumns + ')' 
   
+ CASE 
     
WHEN INDEXFILLFACTOR = 0 AND ISCLUSTERED = 1 AND INCLUDES = '' THEN '' 
     
WHEN INDEXFILLFACTOR = 0 AND ISCLUSTERED = 0 AND INCLUDES = '' THEN ' WITH (ONLINE = ON)' 
      
WHEN INDEXFILLFACTOR <> 0 AND ISCLUSTERED = 0 AND INCLUDES = '' THEN ' WITH (ONLINE = ON, FILLFACTOR = ' + CONVERT(VARCHAR(10),INDEXFILLFACTOR) + ')'
     
WHEN INDEXFILLFACTOR = 0 AND ISCLUSTERED = 0 AND INCLUDES <> '' THEN ' INCLUDE (' + INCLUDES + ') WITH (ONLINE = ON)'
     
ELSE ' INCLUDE(' + INCLUDES + ') WITH (FILLFACTOR = ' + CONVERT(VARCHAR(10),INDEXFILLFACTOR) + ', ONLINE = ON)'  
   
END
FROM #tmp_indexes
where left(tablename,3) not in ('sys', 'dt_')   --exclude system tables
order by schemaName, tablename, indexid, indexname
set nocount off
drop table #tmp_indexes