• sql 创建索引


    create proc p_myhelpindex @tbname sysname ='' , @CLUSTERED int = '1' as 
    --生成索引信息及索引创建脚本 
    --@tbname 表名,空返回空 --@CLUSTERED 是否显示聚集索引,1显示聚集索引,2不显示聚集索引 
    --调用:p_myhelpindex 'dbo.customers','1' 
    if @tbname is null or @tbname = '' return -1 
    declare @t table( table_name nvarchar(100), schema_name nvarchar(100), fill_factor int, is_padded int, ix_name nvarchar(100), type int, keyno int, column_name nvarchar(200), cluster varchar(20), ignore_dupkey varchar(20), [unique] varchar(20), groupfile varchar(10) ) 
    declare @table_name nvarchar(100), @schema_name nvarchar(100), @fill_factor int, @is_padded int, @ix_name nvarchar(100),@ix_name_old nvarchar(100), @type int, @keyno int, @column_name nvarchar(100),
    --@column_name_temp nvarchar(500),
    @cluster varchar(20), @ignore_dupkey varchar(20), @unique varchar(20), @groupfile varchar(10) 
    declare ms_crs_ind cursor local static for select distinct table_name = a.name, schema_name = b.name, fill_factor= c.origfillfactor, is_padded = case 
    when c.status = 256 then 1 else 0 end, ix_name = c.name, type = c.indid , d.keyno, column_name = e.name + 
    case when indexkey_property(a.id,c.indid, d.keyno, 'isdescending') =1 then ' desc ' else '' end,
    case when (c.status & 16)<>0 then 'clustered' else 'nonclustered' end, 
    case when (c.status & 1) <>0 then 'IGNORE_DUP_KEY' else '' end, 
    case when (c.status & 2) <>0 then 'unique' else '' end , 
    g.groupname from sysobjects a 
    inner join sysusers b on a.uid = b.uid inner join sysindexes c on a.id = c.id 
    inner join sysindexkeys d on a.id = d.id and c.indid = d.indid inner join syscolumns e on a.id = e.id and d.colid = e.colid inner join sysfilegroups g on g.groupid = c.groupid 
    left join master.dbo.spt_values f on f.number = c.status and f.type = 'I' where a.id = object_id(@tbname) and c.indid < 255 and (c.status & 64)=0 and c.indid >= @CLUSTERED order by c.indid,d.keyno 
    open ms_crs_ind 
    fetch ms_crs_ind into @table_name , @schema_name , @fill_factor, @is_padded, @ix_name, @type , @keyno, @column_name, @cluster , @ignore_dupkey , @unique , @groupfile 
    if @@fetch_status < 0 begin deallocate ms_crs_ind raiserror(15472,-1,-1) 
    --'Object does not have any indexes.' 
    return -1 
    end 
    while @@fetch_status >= 0 
    begin
     if exists(select 1 from @t where ix_name = @ix_name) 
    update @t set column_name = column_name+','+@column_name WHERE IX_NAME = @IX_NAME 
    else insert into @t select @table_name , @schema_name , @fill_factor, @is_padded, @ix_name, @type , @keyno, @column_name, @cluster , @ignore_dupkey , @unique , @groupfile 
    fetch ms_crs_ind into @table_name , @schema_name , @fill_factor, @is_padded, @ix_name, @type , @keyno, @column_name, @cluster , @ignore_dupkey , @unique , @groupfile 
    end 
    deallocate ms_crs_ind 
    select 'CREATE '+upper([unique])+ case when [unique] = '' then '' else ' ' end+upper(cluster)+' INDEX '+ix_name+' ON '+table_name+'('+column_name+')' + case when fill_factor > 0 or is_padded = 1 or (upper(cluster) != 'NONCLUSTERED' and ignore_dupkey = 'IGNORE_DUP_KEY' ) then ' WITH ' +case when is_padded = 1 then 'PAD_INDEX,' else '' end +case when fill_factor > 0 then 'FILLFACTOR ='+ltrim(fill_factor) else '' end +case when ignore_dupkey = 'IGNORE_DUP_KEY' and upper(cluster) = 'NONCLUSTERED' then case when (fill_factor > 0 or is_padded = 1) then ',IGNORE_DUP_KEY' else ',IGNORE_DUP_KEY' end else '' end else '' end +' ON ['+ groupfile+']' as col from @t 
    return 0 
     
    go 
    --转自http://blog.csdn.net/happyflystone/article/details/4131689
    
    
    --输出全库所有表的索引脚本
    declare @tbname varchar(50)
    create table #t(txt varchar(500))
    declare @sql varchar(100)
    declare   tbna   cursor   local   for
    select name from sysobjects where xtype='U' --and name like '%090324'
    open   tbna  
      fetch   next   from   tbna   into   @tbname   
      while   @@fetch_status=0   
      begin
    
    set @sql='insert #t(txt) exec p_myhelpindex '''+@tbname+''''
    exec(@sql)
    fetch   next   from   tbna   into   @tbname
      end
    close   tbna   
    deallocate   tbna
    select * from #t
    drop table #t
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  • 原文地址:https://www.cnblogs.com/shikyoh/p/2734387.html
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