SQLserver 2k backup

WAY_1(diff backup)

declare @currww nvarchar(15),
@filename nvarchar(50)
set @currww=datename(weekday,getdate())
set @filename='d:/mssql/backup/portal1_prof_diff'+@currww+'.dat'
backup database portal1_prof
to disk=@filename
with differential

set @filename='d:/mssql/backup/portal1_serv_diff'+@currww+'.dat'
backup database portal1_serv
to disk=@filename
with differential

set @filename='d:/mssql/backup/portal1_site_diff'+@currww+'.dat'
backup database portal1_site
to disk=@filename
with differential

set @filename='d:/mssql/backup/sps01_config_db_diff'+@currww+'.dat'
backup database sps01_config_db
to disk=@filename
with differential

WAY_2(full backup)

declare @currww nvarchar(15),
@filename nvarchar(50)
set @currww=datename(weekday,getdate())
set @filename='d:/mssql/backup/master_full'+@currww+'.dat'
backup database master
to disk=@filename

set @filename='d:/mssql/backup/portal1_prof_full'+@currww+'.dat'
backup database portal1_prof
to disk=@filename

set @filename='d:/mssql/backup/portal1_serv_full'+@currww+'.dat'
backup database portal1_serv
to disk=@filename

set @filename='d:/mssql/backup/portal1_site_full'+@currww+'.dat'
backup database portal1_site
to disk=@filename

set @filename='d:/mssql/backup/sps01_config_db_full'+@currww+'.dat'
backup database sps01_config_db
to disk=@filename

WAY_3(log backup)

declare @currww nvarchar(15),
@filename nvarchar(50)
set @currww=datename(weekday,getdate())
set @filename='d:/mssql/backup/portal1_prof_log'+@currww+'.dat'
backup log portal1_prof
to disk=@filename

set @filename='d:/mssql/backup/portal1_serv_log'+@currww+'.dat'
backup log portal1_serv
to disk=@filename

set @filename='d:/mssql/backup/portal1_site_log'+@currww+'.dat'
backup log portal1_site
to disk=@filename

set @filename='d:/mssql/backup/sps01_config_db_log'+@currww+'.dat'
backup log sps01_config_db
to disk=@filename

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