Update column data type from text/ntext and image to vachar(max)/Nvarchar(max) and Varbinary(max) for DOTNETNUKE (DNN) database
Posted: June 24, 2010 Filed under: SQL Server 2005 Leave a commenthttp://geekswithblogs.net/johnsPerfBlog/archive/2008/04/16/ntext-vs-nvarcharmax-in-sql-2005.aspx
SELECT table_name, column_name,
(
‘alter table [‘
+ table_name + ‘] ‘ +
‘alter column [‘
+ column_name +‘] ‘ +
case
when data_type = ‘image’ then ‘varbinary(max)’ else ‘ ‘ end + ‘ ‘ +
case
when data_type = ‘text’ then ‘varchar(max)’ else ‘ ‘ end + ‘ ‘ +
case
when data_type = ‘ntext’ then ‘nvarchar(max)’ else ‘ ‘ end + ‘ ‘ +
case
when is_nullable = ‘yes’ then ‘null’ else ‘not null’ end + ‘;’ + char(10) +
‘update [‘
+ table_name + ‘] set [‘ + column_name + ‘] = [‘ + column_name + ‘];’
+
char(10) +char(13) ) [sql]
into
#tmp
FROM
(select a.table_name, a.Column_name, a.data_type, a.is_nullable from INFORMATION_SCHEMA.COLUMNS a
inner
join INFORMATION_SCHEMA.TABLES b on a.table_Name=b.Table_Name
where
b.Table_type=‘BASE Table’) t
WHERE
data_type = ‘ntext’ or data_type = ‘text’ or data_type = ‘image’
while
exists(select 1 from #tmp)
begin
set
nocount on
declare
@sql nvarchar(max)
select
top 1 @sql = [sql] from #tmp
set
nocount off
exec
sp_executesql @sql
set
nocount on
delete
from #tmp where [sql] = @sql
end
–select [sql] from #tmp
–drop table #tmp
Convert Month Number to Month Name
Posted: June 2, 2010 Filed under: SQL Server Leave a commentdeclare @t table (num int)
insert into @t values (1)
insert into @t values (2)
insert into @t values (3)
insert into @t values (4)
insert into @t values (5)
insert into @t values (6)
insert into @t values (7)
insert into @t values (8)
insert into @t values (9)
insert into @t values (10)
insert into @t values (11)
insert into @t values (12)
insert into @t values (13)
SELECT DateName(month,Dateadd(month,num-1,0)) as MonthName
FROM @t
Convert Day of week number to day name
Posted: June 2, 2010 Filed under: SQL Server Leave a commentinsert into @t values (7)
insert into @t values (6)
insert into @t values (5)
insert into @t values (4)
insert into @t values (3)
insert into @t values (2)
insert into @t values (1)
FROM @t