What is the size of an sql database?

how can i query my sql server to only get the size of database? I used this : use "MY_DB" exec sp_spaceused I got this : database_name database_size unallocated space My_DB 17899.13 MB 5309.39 MB It returns me several column that i don't need, maybe there is a trick to select database_size column from this stored procedure ? I also tried this code : SELECT DB_NAME(database_id) AS DatabaseName, Name AS Logical_Name, Physical_Name, (size * 8) / 1024 SizeMB FROM sys.master_files WHERE DB_NAME(database_id) = 'MY_DB' It gives me this result: DatabaseName Logical_Name Physical_Name SizeMB MY_DB MY_DB D:\MSSQL\Data\MY_DB.mdf 10613 MY_DB MY_DB_log D:\MSSQL\Data\MY_DB.ldf 7286 So i wrote this: SELECT SUM(SizeMB) FROM ( SELECT DB_NAME(database_id) AS DatabaseName, Name AS Logical_Name, Physical_Name, (size * 8) / 1024 SizeMB FROM sys.master_files WHERE DB_NAME(database_id) = 'MY_DB' ) AS TEMP I got: 1183 So it works but maybe there is a proper way to get this? Try this one - Query: SELECT database_name = DB_NAME(database_id) , log_size_mb = CAST(SUM(CASE WHEN type_desc = 'LOG' THEN size END) * 8. / 1024 AS DECIMAL(8,2)) , row_size_mb = CAST(SUM(CASE WHEN type_desc = 'ROWS' THEN size END) * 8. / 1024 AS DECIMAL(8,2)) , total_size_mb = CAST(SUM(size) * 8. / 1024 AS DECIMAL(8,2)) FROM sys.master_files WITH(NOWAIT) WHERE database_id = DB_ID() -- for current db GROUP BY database_id Output: -- my query name log_size_mb row_size_mb total_size_mb -------------- ------------ ------------- --...

The method is the one used in the article that you linked in your question: test it. You can capture a representative workload for your application/database and replay that workload on servers that have different cluster sizes. What you will find out is that SQL Sever works best with 64KB clusters, because of the way it reads data from disk ( However, you don't have to do that: setting a 64KB cluster size is an established best practice, as clearly stated in the article that you refer to. From the article: The file allocation unit size (cluster size) recommended for SQL Server is 64 KB; this is reflected in Figure 4. If you decided to test the performance under different cluster sizes, you would probably discover that the difference is negligible, especially on high-end storage systems.

I have to do some project and need to estimate the DB size. I'm going to use Oracle in the project because we will have a lot of transactions and data. But in the "presentation" I need to specify, in 5 years, how much I expect the DB to grow. So, I have a PDF with the way of calculating the row size and another stuff, but for SQL-Server. I want to do it for Oracle. The pdf is an estimation formula - without having the real DB, so I can't do queries to the DB to check the actual size (That's What I've seen in other posts here when I googled). The formula for SQL-Server row is Row_Size = Fixed_Data_Size +Variable_Data_Size +Null_Bitmap + 4 This formula works in Oracle too? Also, "4" is the size of the header of a row (I don't know how to translate the meaning in English) So, I have to do this in Oracle. What will be the value 4 in Oracle? The other things I think I think I've solved them. Want to know how to know the db-size, in a estimation - I don't have a database to query the design. I've that formula, but it's for MSSQL, and I will use Oracle. Is the same ? Also, that "4" value is the size of header of the row (as far as I undestood the pdf I'm using for homework). That value is the same in Oracle ? Ideally, you would create the database, load a bit of sample data, measure the size, and extrapolate. That is, by far, the more accurate method of estimating the size of a database in 5 years. If you do want to compute the database size, you would generally start by figuring...

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I have been monitoring file growth via the data collector in sql server 2008 r2 for two weeks. The database is growing consistently at around 35(MB)/Day. The DB has not yet hit the initial size of 2 GB. The DB files auto growth is set to 5MB and I would like to try a different approach, so I am looking for suggestions and or comments. There is a tuning task that runs every-week on Sunday night at 1:30 AM. The task will: • Check Database Integrity • Shrink the Log File – (This is ok because logging mode is Simple) • Shrink Database • Reorganize Index • Rebuild Index • Update Statistics • Clean Up History I would like to add two more steps to the weekly tuning plan: • Grow the database file by 500 MB if the used space reaches a certain threshold or total size. • Grow the log file by 250 MB (after the shrink) if the used space reaches a certain threshold of total size. By placing the growth burden in offline hours, I hope to gain performance by reducing the number of auto-growth events during heavy loads. I have two questions relating to auto growing files. • The best place to put the file grow steps would be prior to the current steps or after? • If I use the ALTER DATABASE|MODIFY FILE to grow the file then how can I determine if SpaceUsedInFile >= (TotalFileSpace-@AllowanceThreshold)? You should be aiming to auto-grow as little as possible. Seven times a day is excruciating, even with instant file initialization. Don't do a Shrink Database. Ever. Shrinkfile, maybe, but only...

From a recent conversation with a customer, I noticed even some of the experienced DBAs are not very clear about the terms “unallocated space” and “unused space” and by doing a quick Today, let us try to get a clear picture (infact, a picture!) of these terms using sp_spaceused system stored procedure and at the same time understanding results for database size information. Execute the below query on AdventureWorks2012 sample database USE [AdventureWorks2012] GO EXEC sp_spaceused GO Results: Now, let us understand the above result sets, lets check by the column names • database_size: database size (data files + log files) = 205.75 MB • unallocated space: space that is not reserved for use by database objects (Space Available) = 14.95 MB • reserved: space that is reserved for use by database objects = 190.05 MB • data: total space used by data = 97016 KB/1024 = 94.74 MB • index_size: total space used by indexes = 88048 KB/1024 = 85.99 MB • unused: portion of the reserved space, which is not yet used = 9544 KB/1024 = 9.32 MB • used: let us coin this word to simplify things. say used = data + index_size = 94.74 + 85.99 = 180.73 MB We now know what these columns are and the numbers they are returning. But, here is the real confusion part: How are they correlated with each other? To answer this, below is the simple formulae I came up with to better interpret the results. I haven’t found this simple explanation clearly anywhere else on SQL space (trust me, you won’t) (color code...

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In a couple of recent blog posts I talked about two ways to prevent the SQL Server database from running out of disk space because of transaction logs, and what I did when I discovered that my SQL Server Reporting Services (SSRS) database was using a ridiculous amount of disk space . Along the same lines, this blog post will show you how to define the size of a SQL Server database in either a new or existing database. Size of a SQL Server Database First, remember that a database is comprised of two main items, the database itself (#1) and the transaction log (#2). When you create a database, the default size is 8MB. The autogrowth setting is 64MB at a time with unlimited growth ( SQL Server 2016). By the way, the initial size and autogrowth settings are not the same between SQL Server versions. You can see this in the SQL Server 2016 and SQL Server 2008 R2 screenshots below. SQL Server 2016 SQL Server 2008 R2 A quick internet search will reveal that it is generally not recommended to have your database set to autogrowth. Why is it a bad idea? First, you can run out of disk space (this is what happened with my lab), and second, it can effect disk performance, specifically, file fragmentation. If it’s generally considered a bad idea to allow autogrowth of both database and log files then: Why is autogrowth the default setting, and how can I cap the size of both my database and log files? I’m not sure why autogrowth is the default setting, but check out this article, Consider...