Generating Keys For Data From One Database To Another

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Generating Keys For Data From One Database To Another Computer
Generating Keys For Data From One Database To Another Oracle

APPLIES TO: SQL Server Azure SQL Database Azure Synapse Analytics (SQL DW) Parallel Data Warehouse

Synchronizing Database Data. After you compare the data in two databases, you can synchronize them by updating all or part of the target to match the source. You can compare the data in two kinds of database objects: tables and views. To update target data by using the Write Updates command. Compare the data in a source and a target database. Jul 29, 2009 Clicking on Finish button will generate a review screen containing the required objects along with script generating data. Clicking on Finish button one more time will generate the requested output. Similarly, if you want to generate data for only one table, you can right click on the table and follow almost a similar wizard.

This topic describes how to protect a database by using transparent data encryption (TDE), and then move the database to another instance of SQL Server by using SQL Server Management Studio or Transact-SQL. TDE performs real-time I/O encryption and decryption of the data and log files. The encryption uses a database encryption key (DEK), which is stored in the database boot record for availability during recovery. The DEK is a symmetric key secured by using a certificate stored in the master database of the server or an asymmetric key protected by an EKM module.

Limitations and Restrictions

Apr 19, 2018 Use DTS to transfer only the data from the source database. After the data is successfully transferred, generate scripts for all the constraints, foreign keys, primary keys, and indexes from the source database. Note On the Formatting tab of the Generate SQL Scripts dialog box, click to clear the following check boxes.
Aug 31, 2017 Data replication is the process of creating one or more redundant copies of a database for the purpose of fault tolerance or accessibility improvement. Data synchronization is the process of establishing data consistency between two or more databases, and the subsequent continuous updates to maintain said consistency.
Oct 10, 2013 In this tutorial we'll learn to use the INSERT Query to copy data from one table into another. Inserting Data Into a Table From Another Table. Creating Primary and Foreign Keys in SQL.
Apr 12, 2016 The same way you do any other insert. The exception is that the value you insert must already exist in the table to which the foreign key maps. If that data is not there, the foreign key constraint will reject the insert.
In this article, we use a source database containing a table with data and create another database which contains the copy of the table with data from the source database. So let's take a look at a practical example of how to copy a table with data from one database to another in SQL Server.

When moving a TDE protected database, you must also move the certificate or asymmetric key that is used to open the DEK. The certificate or asymmetric key must be installed in the master database of the destination server, so that SQL Server can access the database files. For more information, see Transparent Data Encryption (TDE).
You must retain copies of both the certificate file and the private key file in order to recover the certificate. The password for the private key does not have to be the same as the database master key password.
SQL Server stores the files created here in C:Program FilesMicrosoft SQL ServerMSSQL13.MSSQLSERVERMSSQLDATA by default. Your file names and locations might be different.

Permissions

Requires CONTROL DATABASE permission on the master database to create the database master key.
Requires CREATE CERTIFICATE permission on the master database to create the certificate that protects the DEK.
Requires CONTROL DATABASE permission on the encrypted database and VIEW DEFINITION permission on the certificate or asymmetric key that is used to encrypt the database encryption key.

To create a database protected by transparent data encryption

The following procedures show you have to create a database protected by TDE using SQL Server Management Studio and by using Transact-SQL.

Using SQL Server Management Studio

Create a database master key and certificate in the master database. For more information, see Using Transact-SQL below.
Create a backup of the server certificate in the master database. For more information, see Using Transact-SQL below.
In Object Explorer, right-click the Databases folder and select New Database.
In the New Database dialog box, in the Database name box, enter the name of the new database.
In the Owner box, enter the name of the new database's owner. Alternately, click the ellipsis (..) to open the Select Database Owner dialog box. For more information on creating a new database, see Create a Database.
In Object Explorer, click the plus sign to expand the Databases folder.
Right-click the database you created, point to Tasks, and select Manage Database Encryption.
The following options are available on the Manage Database Encryption dialog box.
Encryption Algorithm
Displays or sets the algorithm to use for database encryption. AES128 is the default algorithm. This field cannot be blank. For more information on encryption algorithms, see Choose an Encryption Algorithm.
Use server certificate
Sets the encryption to be secured by a certificate. Select one from the list. If you do not have the VIEW DEFINITION permission on server certificates, this list will be empty. If a certificate method of encryption is selected, this value cannot be empty. For more information about certificates, see SQL Server Certificates and Asymmetric Keys.
Use server asymmetric key
Sets the encryption to be secured by an asymmetric key. Only available asymmetric keys are displayed. Only an asymmetric key protected by an EKM module can encrypt a database using TDE.
Set Database Encryption On
Alters the database to turn on (checked) or turn off (unchecked) TDE.
When finished, click OK.

Using Transact-SQL

In Object Explorer, connect to an instance of Database Engine.
Aes 256 key generator c. It's a password based key derivation function, that's what PBKDF means.
On the Standard bar, click New Query.
Copy and paste the following example into the query window and click Execute.

For more information, see:

Generating Keys For Data From One Database To Another

To move a database protected by transparent data encryption

The following procedures show you have to move a database protected by TDE using SQL Server Management Studio and by using Transact-SQL.

Using SQL Server Management Studio

In Object Explorer, right-click the database you encrypted above, point to Tasks and select Detach...
The following options are available in the Detach Database dialog box.
Databases to detach
Lists the databases to detach.
Database Name
Displays the name of the database to be detached.
Drop Connections
Disconnect connections to the specified database.
Note
You cannot detach a database with active connections.
Update Statistics
By default, the detach operation retains any out-of-date optimization statistics when detaching the database; to update the existing optimization statistics, click this check box.
Keep Full-Text Catalogs
By default, the detach operation keeps any full-text catalogs that are associated with the database. To remove them, clear the Keep Full-Text Catalogs check box. This option appears only when you are upgrading a database from SQL Server 2005 (9.x).
Status
Displays one of the following states: Ready or Not ready.
Message
The Message column may display information about the database, as follows:
- When a database is involved with replication, the Status is Not ready and the Message column displays Database replicated.
- When a database has one or more active connections, the Status is Not ready and the Message column displays <number_of_active_connections>Active connection(s) - for example: 1 Active connection(s). Before you can detach the database, you need to disconnect any active connections by selecting Drop Connections.
To obtain more information about a message, click the hyperlinked text to open Activity Monitor.
Click OK.
Using Windows Explorer, move or copy the database files from the source server to the same location on the destination server.
Using Windows Explorer, move or copy the backup of the server certificate and the private key file from the source server to the same location on the destination server.
Create a database master key on the destination instance of SQL Server. For more information, see Using Transact-SQL below.
Recreate the server certificate by using the original server certificate backup file. For more information, see Using Transact-SQL below.
In Object Explorer in SQL Server Management Studio, right-click the Databases folder and select Attach...
In the Attach Databases dialog box, under Databases to attach, click Add.

In the Locate Database Files -server_name dialog box, select the database file to attach to the new server and click OK.

The following options are available in the Attach Databases dialog box.

Databases to attach
Displays information about the selected databases.

<no column header>
Displays an icon indicating the status of the attach operation. The possible icons are described in the Status description, below).

MDF File Location
Displays the path and file name of the selected MDF file.

Database Name
Displays the name of the database.

Attach As
Optionally, specifies a different name for the database to attach as.

Owner
Provides a drop-down list of possible database owners from which you can optionally select a different owner.

Status
Displays the status of the database according to the following table.

Icon	Status text	Description
(No icon)	(No text)	Attach operation has not been started or may be pending for this object. This is the default when the dialog is opened.
Green, right-pointing triangle	In progress	Attach operation has been started but it is not complete.
Green check mark	Success	The object has been attached successfully.
Red circle containing a white cross	Error	Attach operation encountered an error and did not complete successfully.
Circle containing two black quadrants (on left and right) and two white quadrants (on top and bottom)	Stopped	Attach operation was not completed successfully because the user stopped the operation.
Circle containing a curved arrow pointing counter-clockwise	Rolled Back	Attach operation was successful but it has been rolled back due to an error during attachment of another object.

Message
Displays either a blank message or a 'File not found' hyperlink.

Add
Find the necessary main database files. When the user selects an .mdf file, applicable information is automatically filled in the respective fields of the Databases to attach grid.

Remove
Removes the selected file from the Databases to attach grid.

'<database_name>' database details
Displays the names of the files to be attached. To verify or change the pathname of a file, click the Browse button (..).

Note

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If a file does not exist, the Message column displays 'Not found.' If a log file is not found, it exists in another directory or has been deleted. You need to either update the file path in the database details grid to point to the correct location or remove the log file from the grid. If an .ndf data file is not found, you need to update its path in the grid to point to the correct location.

Original File Name
Displays the name of the attached file belonging to the database.

File Type
Indicates the type of file, Data or Log.

Current File Path
Displays the path to the selected database file. The path can be edited manually.

Message
Displays either a blank message or a 'File not found' hyperlink.

Using Transact-SQL

In Object Explorer, connect to an instance of Database Engine.
On the Standard bar, click New Query.
Copy and paste the following example into the query window and click Execute.

For more information, see: