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I have one pc as main database server which all clients are logging to main table. I have another two pcs lying around and I want to use them as backup servers. These backup servers will have data from main table in main database server. I am not sure how to achieve such process and really appreciate the help. My database server is microsoft sql express edition and incoming data are from apis in aspnet core. Usually, I will use Microsoft SQL Management Studio and extract data tier from table and import data tier in another pc with same table name.
Main Database (Main PC) -> Second Backup Database (Second PC) and Third Backup Database (Third PC)
I have never done this before and I can't find the solution yet. I want to replicate table from Main PC in another two pc. Not replicate whole database in another pc.
I found that there is no replication feature in express edition. Any possible approach for this backup process?
As I said in my comment you are going in wrong direction.
First of all you said
I have another two pcs lying around and I want to use them as backup servers.
Backup server does not mean "to replicate table from Main PC in another two pc. Not replicate whole database in another pc.", what can you do with the copy of 1 table if something happen to your main server?
Backup server should contain transactionally consistent copy of your database, only this way you can re-direct your applications to the
backup server and they will be able to work with it in case of disaster with your main server. And this means you should
backup your database on the main server and
restore it on the backup server,
restore will provide you with transactionally consistent copy of
As you are on
Express Edition and cannot use
SQL Server Agent you can write 2 scripts to
restore and launch them using
sqlcmd. To schedule it you can use
backup script can look like this:
backup database MyDB to disk = 'path-to-backup-file' with init;
And your restore script looks like this:
restore database MyDB from disk = 'path-to-backup-file' with move 'MyDB' to 'db-copy-path\MyDB.mdf', move 'MyDB_log' to 'db-copy-path\MyDB_log.ldf', replace;
Your cmd command looks like this:
sqlcmd -S myServer\instanceName -i C:\myScript.sql –U login_name –P password
Here you pass your
restore command in the file
my source address is 10.11.20.181 and port is 5001
This means that for execute your
backup script you should use the following:
sqlcmd -S 10.11.20.181,5001 -i C:\myBackupScript.sql –U login_name –P password
Six different methods to copy tables between databases in SQL Server, In SQL Server, copying tables between the databases of the same SQL instances are relatively easier than copying the data I am Microsoft Certified Professional and backed with a Degree in Master of Computer Application. Typically linked servers are configured to enable the Database Engine to execute a Transact-SQL statement that includes tables in another instance of SQL Server, or another database product such as Oracle. Many types OLE DB data sources can be configured as linked servers, including Microsoft Access and Excel.
How to copy tables from one database to another in SQL Server, Both databases hosted in the same SQL Server 2017 instance This script can be used to copy the tables' schema and data from the source� There are 2 steps to join tables from different servers. The first step is to link the SQL Servers. The next and the last step is to join the tables using the select query having the server name as prefix for the table name. 1.
I tested this solution that can fulfill my requirement with minimum steps. I copy powershell script from this link. I also install sqlpackage from microsoft.
.\SqlPackage.exe /a:Export /ssn:ServerName /sdn:TableName/tf:path-to-backup-folder\mybackup$(get-date -f dd-MM-yyyy-HH-mm-s).bacpac
and I created task scheduler in my backup pc to execute this script every 6hrs. and I have another script to import this data back to database inside backup pc every 12hrs and delete those bacpac after import. One thing to consider using this method is how big is your database since I am exporting every data every six hours and if your database is huge, this would cause the performance issue & I don't know what will happen new rows are inserted or updated when executing this operation.
I am really not sure what kind of errors will occur in the long run.
Work with multiple versions and instances, Table of contents This change to the version is used for many purposes. When you install different versions of SQL Server side by side on the same machine, SQL Server versions that have the same major version share some If a default instance already exists on the computer, SQL Server must be� Usually, I will use Microsoft SQL Management Studio and extract data tier from table and import data tier in another pc with same table name. Main Database (Main PC) -> Second Backup Database (Second PC) and Third Backup Database (Third PC)
Lesson 2: Connecting from Another Computer, SQL Server � Tools � SQL Database � SQL Data Warehouse � SQL Table of contents Connecting to the Database Engine from Another Computer that are running on the same computer, but not from other computers. However, named instances including SQL Server Express listen on dynamic ports. You should be doing this anyway, because its a performance optimization (SQL doesn't have to work to resolve ambiguous names). I would highly recommend not relying on the user's "default schema" to determine which table is being selected. That just leads to trouble when the same code is called by users that have different default schemas.
Splitting data into related tables (article), When the same data is replicated across multiple tables, there can be what is the purpose of having so many different tables, when we can have a single I am learning SQL server and when I copied the code into SQL server, it does not work. you sometimes have duplicated data in one table: for instance, each row of� Today I came across a requirement where I had to write a SQL query joining tables from different databases on the same SQL Server. I thought of sharing the simple concept with you. For querying multiple tables in different databases on the same server, all we have to do is use the fully qualified table name.
How to access a SQL Server database from other computer , The application is working fine on my PC. What must I do? I have enabled the TCP/IP in the server but the same error persists. Some change in connection string� In SQL Server, copying tables between the databases of the same SQL instances are relatively easier than copying the data between the remote servers. To minimize the work-load on the production database, it is always recommended to restore the database from the backup to the new database and then use the best methods to copy the data to the target database.
- it works. the only thing is that it takes me some time to understand what is transactionally consistent. and it still confuses me. To make a decision on which method is better, I think i find two articles that give some explanation that is quite interesting, "quora.com/…" and "stackoverflow.com/questions/24661526/…". technically, one is data dump and another is data backup.
- You can read about transactional consistency here: stackoverflow.com/questions/39483451/…
- 1. In your question you asked how to move one TABLE to another server, not the whole database. Your answer instead makes backup/restore, i.e. moves the whole database. /TargetDatabaseName -/sdn requires database name and NOT table name as you wrote. 2. If you want to use backup/restore, native BACKUP/RESTORE are simpler
- Yes, what i want to do is just backup one table from main database across different pc. However, I don't know how to backup to my destination which have ip, port with username and password in the wifi network.
- I find it much easier to import using Data-Tier application
- >>>However, I don't know how to backup to my destination<<< And how did you backup to path-to-backup-folder? When you use native backup/restore commands you also point to "path-to-backup-folder"
- can you show me example. my source address is 10.11.20.181 and port is 5001. my database is LogTracker-Dev. "BACKUP DATABASE 10.11.20.181.5001/LogTracker-Dev to Disk 'C:\DB\LOGTRACKER.BAK' GO"?? I still have username and password.