In a typical software development lifecycle, when a solution is promoted from one environment to another, from non-production environments to production environments, there is often a need to create an identical copy of databases within and across environments. Cloning a database is one of the easiest ways to get the data as well as database objects from the desired environment. On Azure cloud, SQL Server Databases are one of the mainstream sources for hosting transactional data, and with it comes a need to move this data as well as database objects contained in the database on Azure by cloning the database.
Let’s go ahead and see how we can clone a SQL Server database on Azure.
It is assumed that you have an Azure account with required access to Azure SQL Server and Azure SQL Database services. To start with, we need an existing Azure SQL Server and a database that we will consider as the source database. In this case, for our exercise, we have an existing Azure SQL Server database as shown below. You can use any existing database or consider creating a new one and populate it with some sample data. This data is already populated with sample data available from the service itself.
Every Azure SQL Server database needs to be hosted on an Azure SQL Server instance. This database shown above is hosted on Azure SQL Server instance as shown below. When an Azure SQL Database instance is created, by default full backups are created every week, and other types of backups are created as regular and scheduled intervals.
To clone a database, we need at least one backup of the source database. You can configure the backup retention policy from the Manage Backups section by clicking on the Configure retention button as shown below.
Assuming at least there’s one backup in place, let’s start creating a new database. Navigate to the SQL Database service and click on the Add button to start creating a new database. You would find a screen as shown below. Select the relevant details related to the subscription and resource group. Provide a name for the new database as well as the SQL Server instance on which it would be hosted. Configure the database capacity if required or continue with the defaults and click on the Networking button. A screen as shown below would appear.
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SQL stands for Structured Query Language. SQL is a scripting language expected to store, control, and inquiry information put away in social databases. The main manifestation of SQL showed up in 1974, when a gathering in IBM built up the principal model of a social database. The primary business social database was discharged by Relational Software later turning out to be Oracle.
Models for SQL exist. In any case, the SQL that can be utilized on every last one of the major RDBMS today is in various flavors. This is because of two reasons:
1. The SQL order standard is genuinely intricate, and it isn’t handy to actualize the whole standard.
2. Every database seller needs an approach to separate its item from others.
Right now, contrasts are noted where fitting.
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In this article, you learn how to set up Azure Data Sync services. In addition, you will also learn how to create and set up a data sync group between Azure SQL database and on-premises SQL Server.
In this article, you will see:
Azure Data Sync —a synchronization service set up on an Azure SQL Database. This service synchronizes the data across multiple SQL databases. You can set up bi-directional data synchronization where data ingest and egest process happens between the SQL databases—It can be between Azure SQL database and on-premises and/or within the cloud Azure SQL database. At this moment, the only limitation is that it will not support Azure SQL Managed Instance.
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This article will walk you through creating a new SQL pool within an existing Azure SQL Server as well as catalog the same using the Azure Purview service.
Data is generated by transactional systems and typically stored in relational data repositories. This data is generally used by live applications and for operational reporting. As this data volume grows, this data is often required by other analytical repositories and data warehouses where it can be used for referential purposes and adding more context to other data from across the organization. Transactional systems (also known as Online Transaction Processing (OLTP) systems) usually need a relational database engine, while analytical systems (also known as Online Analytical Processing (OLAP) systems) usually need analytical data processing engines. On Azure cloud, it is usually known that for OLTP requirements, SQL Server or Azure SQL Database can be employed, and for analytical data processing needs, Azure Synapse and other similar services can be employed. SQL Pools in Azure Synapse host the data on an SQL Server environment that can process the data in a massively parallel processing model, and the address of this environment is generally the name of the Azure Synapse workspace environment. At times, when one has already an Azure SQL Server in production or in use, the need is to have these SQL Pools on an existing Azure SQL Server instance, so data in these SQL pools can be processed per the requirements on an OLAP system as well as the data can be co-located with data generated by OLTP systems. This can be done by creating SQL Pools within the Azure SQL Server instance itself. In this article, we will learn to create a new SQL Pool within an existing Azure SQL Server followed by cataloging the same using the Azure Purview service.
As we intend to create a new SQL Pool in an existing Azure SQL Server instance, we need to have an instance of Azure SQL in place. Navigate to Azure Portal, search for Azure SQL and create a new instance of it. We can create an instance with the most basic configuration for demonstration purposes. Once the instance is created, we can navigate to the dashboard page of the instance and it would look as shown below.
As we are going to catalog the data in the dedicated SQL Pool hosted on Azure SQL instance, we also need to create an instance of Azure Purview. We would be using the Azure Purview studio from the dashboard of this instance, tonregister this SQL Pool as the source and catalog the instance.
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When working in the SQL Server, we may have to check some other databases other than the current one which we are working. In that scenario we may not be sure that does we have access to those Databases?. In this article we discuss the list of databases that are available for the current logged user in SQL Server
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In SSMS, we many of may noticed System Databases under the Database Folder. But how many of us knows its purpose?. In this article lets discuss about the System Databases in SQL Server.
Fig. 1 System Databases
There are five system databases, these databases are created while installing SQL Server.
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