how to take sql database backup using powershell script

From here you can select the databases that you want to backup and then click OK. Once done, only the selected databases will be backed up. $dbRestore.Database = $dbname

This cookie is set by GDPR Cookie Consent plugin. Once here you can backup a single database by typing Backup-SqlDatabase and then the name of the database you want to backup.

Learn how you can load Extended Events with PowerShell, nice and fast. [System.Reflection.Assembly]::LoadWithPartialName("Microsoft.SqlServer.SMO") | Out-Null The following command will backup all user and system database on specified instance of SQL Server. We can get all commands related to keyword Backup using Get-help. If youd like to do a Differential backup, throw the -Incremental parameter (I have no idea what they didnt just call that parameter -Differential or make it an option on the -BackupAction parameter.

Hi! Using the full command names in scripts or functions that others will use is what the grammar-police of the PowerShell world will tell you to do, this is your call, not their decision. Backup-SqlDatabase -ServerInstance yourSQLServer -Database yourdatabase -BackupFile "C:\Backups\BackupName.bak". These cookies ensure basic functionalities and security features of the website, anonymously. Speaking of the pipeline, whether youre experienced at PowerShell and want to debug your process, or youre new to PowerShell and want to see what this backup object looks like, you can add the -PassThru parameter and see it. The Find search box at the top can be very helpful here since this particular cmdlet has a rather long Help file. This can be used in situations where you only have the SQL Server Express edition installed and can't manage backups through the SQL Management Studio, or if you just want to do some one off backups. To make a long story short, in this case, we want the behavior that happens when inside { } so that we can extract $_.Name out of the pipeline. The cookie is used to store the user consent for the cookies in the category "Other. In below screenshot, we can see the syntax, description for this command. We can see SQL instance name in a backup file as well. $dbRestore = new-object ("Microsoft.SqlServer.Management.Smo.Restore"), # Set database and backup file path In the following query, we specified the backup directory in the BackupDirectory parameter. These cookies track visitors across websites and collect information to provide customized ads.

The cookie is used to store the user consent for the cookies in the category "Performance". We will verify last database backups using command Get-DbaLastBackup. 1. Thats' it. $dbRestoreLog = new-object("Microsoft.SqlServer.Management.Smo.RelocateFile") In the output, we can see that currently, I do not have any SQL backups for my database instance. The DBA plays a vital role in these drills. This also gives you an opportunity to see what the cmdlet is setting for the optional parameters you have omitted. $dbBackup = new-object ("Microsoft.SqlServer.Management.Smo.Backup") Its not just for database backups! In the default backup directory, database backup file is present. Execute the function and pass only the SQL Server Name to check if the SQL Instance is available and if yes, what is the Instance Type. All code displayed in this article was done with the SqlServer PowerShell module which comes with SSMS 2016 (16.5+) and my machine was running version 5.1 of PowerShell.To the best of my knowledge (check the comments to so if my knowledge has been expanded), all of this code should run just fine on a machine with SSMS 2012, using the old SQLPS PowerShell module, and running version 3.0 of PowerShell. All rights reserved. This will allow you to play along as I go through these scripts without having to wait for backups to complete or take up a ton of space.

Backing up individual database is great for those ad hoc requests, but a more practical approach to utilizing Powershell comes with backing up all the databases on an instance of SQL Server. It also gives the details of the number of days since last full, differential and log backup.

backup and restore your sql server databases using powershell, backup-sqldatabase : failed to connect to server, powershell script to backup multiple sql databases, How to install Firefox browser using Powershell. Let us run this command in my instance Kashish\SQL2019CTP.

Using a Powershell script, restore a SQL Server database.

I think we can all agree that backing up your databases is important. This is brilliant when working on the command line but please think of the next guy or gal and use Dir or LS; the next person may not know what the complete command name means. You should do regular database restoration drills to verify that your backup policy is valid and able to recover from any incidents. Replace $sqlName, $dbname, and $backupPath with the names of your SQL Server instance, database, and backup destination path, respectively. If you want to backup just one database these parameters are a great option so that you dont have to include the call to Get-SqlDatabase. Side Note: If you need to find out or just want to verify the Default Backup Directory of an instance, you can just run a simple command like this to find that out.

$dbRestore.RelocateFiles.Add($dbRestoreFile) It does not impact the LSN of database backups. $backupPath= "D:\Clear2allDB.bak", # Create SMo Restore object instance This article will be first article of series for SQL database backup and restoration using DBAtools, a powerful open source library of PowerShell automation scripts.

We can specify CopyOnly string in backup command to take copy-only backup. SQL Server provides a solution in terms of copy-only backup.

Ok, now back to those one-off occasions when you need to backup your databases. 3. Want to be notified of new posts?

This feature can be used in a variety of ways for listing and selecting OS services, Active Directory accounts Database Tablesetc. If we have a large number of databases, it is not possible to manually create a folder and specify in backup command. # Set SQL Server instance name Clear 2 All Blog is for everyone for technical articles.

PS C:\> Backup-SqlDatabase -ServerINstance Computer\Instance -Database Databasecentral

Or use something like the code sample below for backing up all of the databases on this instance. It automatically creates a folder for each database in a specified backup directory and takes backup of a particular database. $dbRestoreLog.PhysicalFileName = $sqlServer.Information.MasterDBLogPath + "" + $dbRestore.Database + "_Log.ldf" It gives timestamp of each database backup in corresponding column such as LastFullBackup, lastDiffbackup, LastLogbackup.

Thankfully PowerShell has a wonderful cmdlet called Out-GridView which has a -PassThru parameter to allow you to do just that. I would highly recommend experimenting with it and getting familiar with all the ways to use it. We can specify Checksum and Verify string to do these validations. As a summary, we need to perform two tasks in database restoration drills: In SQL Server, you can write t-SQL code or create an SSIS package to perform the required steps.

Before making any changes in the production environment, every DBA should take a backup of their SQL database so that they can readily restore it if something goes wrong during the migration. $sqlName= "SQLExpress", # Set the databse name which you want to backup We also need to specify a backup type as Differential. [System.Reflection.Assembly]::LoadWithPartialName("Microsoft.SqlServer.SmoExtended") | Out-Null, # Connect SQL Server. Thats just the tip of the iceberg when it comes to utilizing Out-GridView and -PassThru.

If I wanted to wanted to backup every single database on every single instance of SQL Server in my Registered Servers list (or Central Management Server), I would have to add an entire line of code and these two curly brackets {} to be able to do that. Now that youve chosen which type of backup you want to do its probably good to give the backup a file name. With that short command I can backup every database on my SQL Server (to the default backup path). $dbRestoreFile = new-object("Microsoft.SqlServer.Management.Smo.RelocateFile")

We want to perform database backup validation to avoid any corruption while writing backup in the media. You can also try Sysinfo SQL Backup Recovery software backup your data from .BAK file. Based on my contribution to the SQL Server community, I have been recognized as the prestigious Best Author of the Year continuously in 2019, 2020, and 2021 (2nd Rank) at SQLShack and the MSSQLTIPS champions award in 2020. 3. Inside this forach loop we will also specify the -DatabaseObject parameter, and pass the pipeline object $_to thatparameter. If you choose to use the ISE, VS Code (or another rich PowerShell editor) to get to the SQL Provider you will want to start out like this: From here you can connect to any SQL Server that you have permissions to get to, just like in SSMS, by swapping out localhost & default. If you want to backup SQL server automatically, without above manual method; then you can try Kernel SQL Backup Recovery software. This signifies to ignore the tempdb database as backup and restore options are not allowed on tempdb. This cookie is set by GDPR Cookie Consent plugin. If we do not specify any backup type, it takes Full backup, We can specify a backup directory using -BackupDirectory parameter. How to Fix PowerShell Script Not Digitally Signed Error? I am the creator of one of the biggest free online collections of articles on a single topic, with his 50-part series on SQL Server Always On Availability Groups. The SQL Database backup is also placed in a particular database folder. The -Credential parameter is a common one to see in PowerShell cmdlets and I dont make it a habit to call this one out, but you might need to know this if you need to use the credentials of a different account (either SQL Server or Windows) that has the permission to backup the databases on a different instance. Check Existence of Server and find Instance Type, PowerShell Query to remove backup folders against multiple servers. Copyright 2022 .

ps1 (for example, Restore-SQL-Database-Script.ps1), # Set new or existing databse name to restote backup Remove backup folders from multiple servers. Hi! Note: The reason we have to do the foreach loop is because of the way the automatic pipeline variable $_ behaves when its not inside a script block { }. I published more than 650 technical articles on MSSQLTips, SQLShack, Quest, CodingSight, and SeveralNines. You can see the differential database backup for both the databases in the specified location. Analytical cookies are used to understand how visitors interact with the website. The next example demonstrates how to perform and ad hoc transaction log backup of a specified database. This cookie is set by GDPR Cookie Consent plugin. With that said, Im not suggesting you replace your existing backup procedures with Powershell. 2.

At this point though, well need to add a foreach loop around the Backup-SqlDatabase cmdlet so that we can pluck the database name out of the pipeline. Well use the Server Management Objects (SMO) namespace class Microsoft.SqlServer.Management.Smo.Restore to restore a SQL database backup. Again, the transaction log backup will be saved to the default SQL Server backup directory.

It takes backups of all databases in this case. This will prompt you for credentials to use, then get a list of all the databases in the remote server SQL instance: Get-SqlDatabase -Credential $Credential -ServerInstance yoursqlserver, The following will backup a single database to the default MS SQL backup directory, with the default backup name: We will cover database restoration with DBATools in my next article. Personal Blog:

Replace the values for $sqlName, $dbname, and $backupPath with your actual SQL Server instance name, database name, and backup file destination path. Be sure that all rows are highlighted (selected). Download Backup-SQL-Databse.ps1 from Powershell. The cookies is used to store the user consent for the cookies in the category "Necessary". For those of you who are curious about whats going on behind the scenes: Whenever you run this Powershell cmdlet against SQL Server, all that is run on the server is T-SQL. We can verify the database backup using Get-DbaLastBackup command. We need to provide the following parameters to take database backup. $dbRestoreFile.LogicalFileName = $dbname 1. This will create a transaction log of the selected database. For regular backups of your databases, you may not even have to worry about that; those backups might be taken care of by sysadmins or your magical SAN. For the backup file name Im assuming that youll probably want to include the date in the file name. One final option to leave you with is that you can also run these commands in the SQL Server PowerShell Provider. An introduction to PowerShell that covers basics alone with some more advanced features. Now for the fun stuff! Now, we want to retake differential SQL database backup for user databases SQLShackDemo and SQLShackDemo_ADR in the directory C:\TEMP\Backup. You can get to SQL Provider by opening the PowerShell ISE and running Import-Module SqlServer or by right-clicking on the Databases node of a SQL instance in Object Explorer of SSMS. In this article, we explored about database backups using PowerShell SQL Server module DBA-Tools. Now, Im not telling you this so that youll go and completely replace your database backup process with PowerShell, at least not yet; Im telling you this so that you know it for the one-off occasions when you have to backup some databases manually. Now look at the SQL database backup directory, and you can see a separate folder for each database. Run the command:

This is one of my favorite features within Powershell. Watch SQL Server MVP Andre Kamman demonstrate that for you in this video: This cookie is set by GDPR Cookie Consent plugin. We can see here that entry for last full backup and status as well. Check the syntax of Backup-DBADatabase using below command. This option might be beneficial to know about if you need to kick off some other task after the backup completes. The Backup-SqlDatabase cmdlet can also backup just a single data file or file group for you. Lets look at some other optional parameters for this cmdlet. It is an advanced tool to backup SQL database files and easily restore them back to live SQL server. Use the RSS link on the menu or enter your email address to subscribe! Backing up SQL databases with Powershell is quite useful and is probably easier than you think. Adding the -Script parameter to the end of your Backup-SqlDatabase command will allow you to output the command that is being generated without actually running it.

$dbBackup.Database = $dbname, #Add the backup file to the Devices

These cookies will be stored in your browser only with your consent. Instead of using that, I will go ahead click Add Criteria and choose Name so that I can ensure that Im only filtering down my list of databases by their name and not some other field.

Downgrade SQL Server to Standard in a two node Windows Cluster, 50 Best Resources to Learn SQL (YouTube, Courses, Books, etc)- 2022. Building on the previous command we can utilize Out-GridView cmdlet. I am always interested in new challenges so if you need consulting help, reach me at Backup-SQL-Database-Script.ps1 is an example.

$dbRestore.RelocateFiles.Add($dbRestoreLog), # Call the SqlRestore mathod to complete restore database Install-Module -Name SqlServer. This ad-hoc backup might affect the backup LSN chain and we might need to reinitiate backup chain.

$dbname= "Clear2allDB", # Set the backup file path

Using Out-GridView along with -PassThru allows you to modify the command from a GUI and pass those changes back to the original Powershell command. We define a backup policy to take regular database backups.

DBATools solves these issues with -CreateFolder string.

It can be in the form of power failure, data centre issues, cyber-attacks, natural disaster etc.

It does not store any personal data. We can specify the database name using -database parameter. We can specify a backup file name in BackupDirectory parameter.

Save the Notepad file with the extension on your hard drive. $dbBackup.Action="Database", #Call the SqlBackup method to complete backup

By clicking Accept All, you consent to the use of ALL the cookies. It ignores step to create a directory and takes a backup in the existing directory only. (Note that Differential is not in this list because it is handled by the separate -Incremental parameter.). We can specify multiple databases name in -database parameter separated by a comma. Just use the command at the top of this article and swap out the WHERE clause on it with Out-GridView -PassThru, but be sure to leave the | on the end of the line. $sqlServer = New-Object ('Microsoft.SqlServer.Management.Smo.Server') $sqlName, #Create SMO Backup object instance with the Microsoft.SqlServer.Management.Smo.Backup It is good practice to take compressed backup. We might have backup compression enabled at the instance level.

We havent needed to supply the -ServerInstance & -Database parameters yet because in these examples the Get-SqlDatabase cmdlet has been passing an Array which contains Database objectsdown the pipeline, by way of $_ , which has that information in the form of properties and the Backup-SqlDatabase cmdlet has been using the -DatabaseObject parameter by default to ingest it. Your email address will not be published. The following gets all the databases in an instance (except the temp database) , then backups these databases and names them with todays date: Get-SqlDatabase -Credential $Credential -ServerInstance yourSQLServer | foreach{ We can perform database backups using Backup-DBADatabase command using DBATools in PowerShell SQL Server.

$dbRestoreFile.PhysicalFileName = $sqlServer.Information.MasterDBPath + "" + $dbRestore.Database + "_Data.mdf", Hello, seankeenaghan, thank you for an informative and helpful how-to article, I would recommend checking this link with examples to learn more about SQL Server database objects and backups:

The first example will illustrate how to perform an ad hoc full database backup of a specified database using Powershell. With that one short command and the pipe character, you can modify a process that you have already written and make it do the same thing but just do it only to the things that you choose. Suppose we want to create a separate folder for each database and all of its SQL database backups should go under it.

Your backup will be saved to the default SQL Server backup directory.

We also need to perform additional task of consistency check using DBCC CHECKDB command after database restoration.

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The cookie is set by the GDPR Cookie Consent plugin and is used to store whether or not user has consented to the use of cookies. 1. After that, you will be able to use the Get-ChildItem cmdlet of PowerShell to get your list of databases just like you were using Get-SqlDatabase to do.

You may also find the -ShowWindow option handy. SQL Server provides some excellent resources for managing and scheduling backupsand Powershell is one of them. It allows us to look for all database backups in a specified directory easily. It ensures that there is no allocation or consistency error in the restore database. $dbname= "Clear2allDB", # Set the existing backup file path We might also want to add SQL instance name in the backup file name; therefore, you can run the following command with instancename parameter in BackupFileName.

Another wonderful feature of the Out-GridView cmdlet is its Filter capabilities. The Dir command is mapped as an alias to the Get-ChildItem cmdlet, and since its shorter and results in the same thing, youll usually see me doing that in my code. *I'm a beginner, so excuse my lack of proper lingo if any*. If you want to be able to poke around yourself while reading through this article use the Get-Help cmdlet, get the full help and you will find the parameters listed out right out at the top. If you dont, the Backup-SqlDatabase cmdlet will just backup to a file with the name of the database and the .bak extension. Now youve very easily turned on backup compression and wont take up as much space on disk as you play around with these commands. You want to set this to run your backups on a schedule, you can simply save your script as a ps1 and then set it to run using Windows task scheduler.

Once I click on the OK above, I will see that only the 4 databases I selected are being backed up. Suppose we want to take a differential backup for SQLShackDemo database only. For this demo, I have taken a SQL database backup of SQLShackDemo with and without compression to show the difference. We must do a regular disaster drill to be prepared any such incidents. Similarly, add a servername in a SQL database backup file name to specify server name as well. To finish the backup procedure, follow the instructions below. We do not want to check compression configuration at instance level each time. $dbBackup.SqlBackup($sqlServer), Write-Host "Backup of the database"$dbname" completed". Visit: to know more about SQL backup recovery tool.

To do that we can essentially run a sub-query to the Get-Date cmdlet as were cycling through all the databases were backing up. If you choose Files as the option for your -BackupAction parameter, you will need to add either the -DatabaseFile or the -DatabaseFileGroup parameter, followed by the name of the data file or file group that you want to backup.

Open a Powershell window as Administrator $dbRestore.Devices.AddDevice($backupPath, "File"), # Set the databse file location We need to restore a database backup on the instance on the same version of SQL Server.

After executing the command a window will be displayed listing all the available databases on the specified instance. We used to take regular database backups for production servers to restore later in case of any loss of data. Run the following command to take all databases backup in SQL instance in a separate folder for each database.

This can be done like this.

, Click to share on Twitter (Opens in new window), Click to share on Reddit (Opens in new window), Click to share on Facebook (Opens in new window), Click to share on LinkedIn (Opens in new window), A Simple Script For Putting A Database Back Into An Availability Group In SQL Server. Now look at the database backup directory and notice the backup file name. If not, open up a Powershell window and use the following command to install it. I am Rajendra Gupta, Database Specialist and Architect, helping organizations implement Microsoft SQL Server, Azure, Couchbase, AWS solutions fast and efficiently, fix related issues, and Performance Tuning with over 14 years of experience. Advertisement cookies are used to provide visitors with relevant ads and marketing campaigns. View all posts by Rajendra Gupta, 2022 Quest Software Inc. ALL RIGHTS RESERVED. I am the author of the book "DP-300 Administering Relational Database on Microsoft Azure". For those who are interested in reliable protection of Microsoft SQL Server data, this link will be helpful too: Great write up, makes it easy and simple to do.

I am Rajendra Gupta, Database Specialist and Architect, helping organizations implement Microsoft SQL Server, Azure, Couchbase, AWS solutions fast and efficiently, fix related issues, and Performance Tuning with over 14 years of experience. We can take backups multiple configurations and format using DBATools. If the folder already exists, it does not create a separate folder or overwrites it.

We use cookies on our website to give you the most relevant experience by remembering your preferences and repeat visits. If you have SQL Server installed on your machine then you likely already have this. To complete the database restore process, follow the steps below. In this command, we used Out-GridView to get results in grid view. In fact, I mention this method because with the SQL Provider you are basically accessing Object Explorer of SSMS at the command line.

Required fields are marked *. Every organization should prepare a Disaster Recovery plan to avoid a business loss against any unexpected downtime.

Here is an example of what using the Out-GridView cmdlet will look like in this scenario. Run the following command in PowerShell SQL Server. If it is your job to worry about backing up your SQL Server databases, its probably best if you use Ola Hallengren's Maintenance Solution scripts, which, BTW, you can deploy to all your servers using PowerShell.

Big thanks to Rob Sewell, Matteo Taveggia, Chrissy LeMaire, & Steve Jones for reviewing and helping improve this article! PS C:\> Backup-SqlDatabase -ServerInstance Computer\Instance -Database Databasecentral -BackupAction Log. In this example, we are specifying BackupFileName as dbname-backuptype-timestamp.bak. I hope this has given you a useful tour versatility of the Backup-SqlDatabase cmdlet of SQL PowerShell and shown you how it can be much quicker and easier to use than T-SQL. Well use the Server Management Objects (SMO) namespace class Microsoft.SqlServer.Management.Smo.Backup to get a SQL Database backup.

$dbRestore.SqlRestore($sqlServer), Write-Host "SQL Database"$dbname" Restored Successfullyy".

You might notice that backup file format is the same for both full and differential backup as database_YYYYMMDDHMM. If I use the Filter bar at the top it will search every field displayed for whatever text I type in there. Its certainly the easiest and fastest way to fine tune a command on the fly.

For the most part Ill reference cmdlets in the SQLServer module.

Most times when I need to do that, I dont need to backup all of my databases, so it would be great to thin down the list of databases being backed up.

Reviewing the above command youll notice the segment of code Where { $_.Name -ne 'tempdb' }. For the purposes of this exercise I will be using a SQL Server instance named RIPLEY and backing up a database named JWdev. The command-line interface can conduct full database backups, file backups, and transaction log backups. We should add these strings to have a consistent backup and avoid any issues during database restoration. DBATools PowerShell Module for SQL Server, PowerShell SQL Server Validation Utility DBAChecks, IDENTITY columns threshold using PowerShell SQL Server DBATools, DBATools PowerShell SQL Server Database Backups commands, Validate backups with SQL restore database operations using DBATools, Fix Orphan users in SQL Server using DBATools PowerShell, Creating a SQL Server Database using DBATools, DP-300 Administering Relational Database on Microsoft Azure, Azure SQL Interview Questions and Answers, Notebook Views for SQL Notebooks in Azure Data Studio, Different ways to SQL delete duplicate rows from a SQL Table, How to UPDATE from a SELECT statement in SQL Server, SQL Server functions for converting a String to a Date, SELECT INTO TEMP TABLE statement in SQL Server, How to backup and restore MySQL databases using the mysqldump command, INSERT INTO SELECT statement overview and examples, SQL multiple joins for beginners with examples, SQL Server Common Table Expressions (CTE), SQL Server table hints WITH (NOLOCK) best practices, DELETE CASCADE and UPDATE CASCADE in SQL Server foreign key, SQL percentage calculation examples in SQL Server, SQL Server Transaction Log Backup, Truncate and Shrink Operations, Six different methods to copy tables between databases in SQL Server, How to implement error handling in SQL Server, Working with the SQL Server command line (sqlcmd), Methods to avoid the SQL divide by zero error, Query optimization techniques in SQL Server: tips and tricks, How to create and configure a linked server in SQL Server Management Studio, SQL replace: How to replace ASCII special characters in SQL Server, How to identify slow running queries in SQL Server, How to implement array-like functionality in SQL Server, SQL Server stored procedures for beginners, Database table partitioning in SQL Server, How to determine free space and file size for SQL Server databases, Using PowerShell to split a string into an array, How to install SQL Server Express edition, How to recover SQL Server data from accidental UPDATE and DELETE operations, How to quickly search for SQL database data and objects, Synchronize SQL Server databases in different remote sources, Recover SQL data from a dropped table without backups, How to restore specific table(s) from a SQL Server database backup, Recover deleted SQL data from transaction logs, How to recover SQL Server data from accidental updates without backups, Automatically compare and synchronize SQL Server data, Quickly convert SQL code to language-specific client code, How to recover a single table from a SQL Server database backup, Recover data lost due to a TRUNCATE operation without backups, How to recover SQL Server data from accidental DELETE, TRUNCATE and DROP operations, Reverting your SQL Server database back to a specific point in time, Migrate a SQL Server database to a newer version of SQL Server, How to restore a SQL Server database backup to an older version of SQL Server, SQL Database Backups using PowerShell Module DBATools, Restore database regularly from existing backups regularly, Database Consistency check on the newly restored database, Type of database backup using -Type parameter.

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how to take sql database backup using powershell script