Databases Monitor Script

This SQL script will helpful for daily checklist, incase of no any third party tool is available for database monitoring.

script will produce the all database size, status, recovery model, data & log file size, spaceused & free space details.

SCRIPT:

——————————Data file size—————————-
if exists (select * from tempdb.sys.all_objects where name like ‘%#dbsize%’)
drop table #dbsize
create table #dbsize
(Dbname varchar(30),dbstatus varchar(20),Recovery_Model varchar(10) default (‘NA’), file_Size_MB decimal(20,2)default (0),Space_Used_MB decimal(20,2)default (0),Free_Space_MB decimal(20,2) default (0))
go

insert into #dbsize(Dbname,dbstatus,Recovery_Model,file_Size_MB,Space_Used_MB,Free_Space_MB)
exec sp_msforeachdb
‘use [?];
select DB_NAME() AS DbName,
CONVERT(varchar(20),DatabasePropertyEx(”?”,”Status”)) ,
CONVERT(varchar(20),DatabasePropertyEx(”?”,”Recovery”)),
sum(size)/128.0 AS File_Size_MB,
sum(CAST(FILEPROPERTY(name, ”SpaceUsed”) AS INT))/128.0 as Space_Used_MB,
SUM( size)/128.0 – sum(CAST(FILEPROPERTY(name,”SpaceUsed”) AS INT))/128.0 AS Free_Space_MB
from sys.database_files where type=0 group by type’

go

——————-log size————————————–
if exists (select * from tempdb.sys.all_objects where name like ‘#logsize%’)
drop table #logsize
create table #logsize
(Dbname varchar(30), Log_File_Size_MB decimal(20,2)default (0),log_Space_Used_MB decimal(20,2)default (0),log_Free_Space_MB decimal(20,2)default (0))
go

insert into #logsize(Dbname,Log_File_Size_MB,log_Space_Used_MB,log_Free_Space_MB)
exec sp_msforeachdb
‘use [?];
select DB_NAME() AS DbName,
sum(size)/128.0 AS Log_File_Size_MB,
sum(CAST(FILEPROPERTY(name, ”SpaceUsed”) AS INT))/128.0 as log_Space_Used_MB,
SUM( size)/128.0 – sum(CAST(FILEPROPERTY(name,”SpaceUsed”) AS INT))/128.0 AS log_Free_Space_MB
from sys.database_files where type=1 group by type’

go
——————————–database free size
if exists (select * from tempdb.sys.all_objects where name like ‘%#dbfreesize%’)
drop table #dbfreesize
create table #dbfreesize
(name varchar(50),
database_size varchar(50),
Freespace varchar(50)default (0.00))

insert into #dbfreesize(name,database_size,Freespace)
exec sp_msforeachdb
‘use ?;SELECT database_name = db_name()
,database_size = ltrim(str((convert(DECIMAL(15, 2), dbsize) + convert(DECIMAL(15, 2), logsize)) * 8192 / 1048576, 15, 2) + ”MB”)
,”unallocated space” = ltrim(str((
CASE
WHEN dbsize >= reservedpages
THEN (convert(DECIMAL(15, 2), dbsize) – convert(DECIMAL(15, 2), reservedpages)) * 8192 / 1048576
ELSE 0
END
), 15, 2) + ” MB”)
FROM (
SELECT dbsize = sum(convert(BIGINT, CASE
WHEN type = 0
THEN size
ELSE 0
END))
,logsize = sum(convert(BIGINT, CASE
WHEN type <> 0
THEN size
ELSE 0
END))
FROM sys.database_files
) AS files
,(
SELECT reservedpages = sum(a.total_pages)
,usedpages = sum(a.used_pages)
,pages = sum(CASE
WHEN it.internal_type IN (
202
,204
,211
,212
,213
,214
,215
,216
)
THEN 0
WHEN a.type <> 1
THEN a.used_pages
WHEN p.index_id < 2
THEN a.data_pages
ELSE 0
END)
FROM sys.partitions p
INNER JOIN sys.allocation_units a
ON p.partition_id = a.container_id
LEFT JOIN sys.internal_tables it
ON p.object_id = it.object_id
) AS partitions’
———————————–

if exists (select * from tempdb.sys.all_objects where name like ‘%#alldbstate%’)
drop table #alldbstate
create table #alldbstate
(dbname varchar(25),
DBstatus varchar(25),
R_model Varchar(20))

–select * from sys.master_files

insert into #alldbstate (dbname,DBstatus,R_model)
select name,CONVERT(varchar(20),DATABASEPROPERTYEX(name,’status’)),recovery_model_desc from sys.databases
–select * from #dbsize

insert into #dbsize(Dbname,dbstatus,Recovery_Model)
select dbname,dbstatus,R_model from #alldbstate where DBstatus <> ‘online’

insert into #logsize(Dbname)
select dbname from #alldbstate where DBstatus <> ‘online’

insert into #dbfreesize(name)
select dbname from #alldbstate where DBstatus <> ‘online’

select

d.Dbname,d.dbstatus,d.Recovery_Model,
(file_size_mb + log_file_size_mb) as DBsize,
d.file_Size_MB,d.Space_Used_MB,d.Free_Space_MB,
l.Log_File_Size_MB,log_Space_Used_MB,l.log_Free_Space_MB,fs.Freespace as DB_Freespace
from #dbsize d join #logsize l
on d.Dbname=l.Dbname join #dbfreesize fs
on d.Dbname=fs.name
order by Dbname

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