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Understanding SQL Server Replication: Types, Prerequisites, and Key Components
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Replication doesn’t send the entire database to another location, unlike log shipping or always-on solutions. Instead, it has a unique advantage – you can choose to replicate specific parts of the database, like views, tables, or any other objects you want. In essence, replication gives you the flexibility to pick…
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MySQL Backup & Restore
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Physical/Cold Backup This backup method, also known as a cold backup, involves making a physical copy of MySQL instance files to a backup location.No backup tool is required; only a simple Unix-based command is used.It’s considered the safest way to preserve your MySQL instance. In this backup method, you’ll back…
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MySQL Storage Engines
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Storage Engines MySQL supports a variety of table types to cater to different needs: To manage these diverse table types, MySQL uses different components known as storage engines. These engines are responsible for handling SQL operations for the tables. The storage engines include: MySQL employs a Pluggable Storage Engine architecture,…
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dbatools
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DBATools is a collection PowerShell command over 700 command that can help DBA to achieve common task in a more automated manner in this section will demonstrate how to install dbatools , and how to use it deferent type of task that include 1- taking backup2- taking script of the…
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Sql server database backup in details
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What Is a Transaction Log? Transaction log is a list of records for all Microsoft SQL database changes. It is an essential component of the SQL Server database. If there is a system failure, you will be able to use the T-log to bring your database back to a consistent…
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Sql Server how to Manage transaction logs
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Managing transaction logs Transaction managing in simple mode : here we will test log managing in both simple mode and full mode . i have created two database one full one simple mode added table on it then i will run trsnaction but i will not commit the transaction you…
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how to enable auditing in PostgreSQL
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Tracking any changes made at the database level is crucial for holding accountable any users with access to PostgreSQL. During my experience as a database administrator, I encountered two situations where applications reported data loss. Upon investigation, we discovered that a table had been truncated. Unfortunately, we couldn’t confirm the…
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Health check using pgmetrics
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One of the key tasks for any PostgreSQL DBA is conducting daily health checks to ensure the database remains healthy. Performing these checks is critical as it helps identify potential issues and resolve them before they impact production. PostgreSQL provides several views to monitor various metrics such as wait states,…
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