Byte Me: Plugged in

Find and Remove Duplicate Rows from a SQL Server Table

Though duplicate rows are bad practice, sometimes they're necessary for a short time. But how do you clean your tables when they're no longer needed? Sergey Gigoyan provides a few different solutions.

Using OVER() to Remove Duplicate Rows

Tables used purely for reporting sometimes lack a unique identifier. Find out how to remove duplicates from such a table when data loads go bad.

SQL Server Timeouts During Backups and CHECKDB

So you’re hosting your SQL Server in the cloud, and you’ve noticed that when you’re running a backup or a DBCC CHECKDB, you suffer from extreme performance problems - what's going on? Brent Ozar explains.

TempDB growth due to version store on AlwaysOn secondary server

On a not-so-busy day, I received an alert saying tempdb has grown to 90 percent of the drive size and there is only 10 percent space left on the drive. The server is a SQL Server 2014 instance and hosts AlwaysOn secondary databases.

Power BI for Data Modelling

Power BI has a lot of uses, but one of the most interesting of them is to model and shape data to make it easier for self-service BI. Power BI is a full-stack solution that includes data loading, data modelling, metrics, reporting and distribution. It can take the source data, and perform in-process data modelling relatively easily as well a providing an easy to use and powerful user interface for analytics and reporting.

SSIS Package documentor

Read and document multiple SSIS packages in an Excel file. The document can be used to do further code analysis.

Is JavaScript Single-Threaded?

Developing JavaScript for web pages can be perplexing. You will get errors that seem to make no sense, You will be given nuggets of advice about how and when you can use JavaScript to manipulate the DOM or make Ajax requests. It is far better to understand the reason for these rules; the single-threaded nature of JavaScript, and how it loads the page and manages the event loop. How can you achieve parallel processing and what is the best way? Igor makes it all clear and obvious.

Set Statistics… Profile?

Erik Darling looks at SET STATISTICS TIME ON and SET STATISTICS IO ON as potential tools for troubleshooting a query.

List and Execute SQL Server Stored Procedures with PowerShell

Stored procedures allow the DBA to automate a certain task by bundling up a query and executing as a single set of logic. This is considerable progress in including more automation, but why not automate the automation? Adam Bertram explains how.