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Featured Database Articles

Feature Database Articles

MS SQL

Overview of Azure SQL Database Performance Monitoring 01/08/2019

Transitioning to the Platform-as-a-Service model typically implies relinquishing certain degree of control over your computing environment. One of the primary concerns related to this transition is diminished level of transparency providing insights into performance of cloud-resident workloads. Fortunately, with Azure SQL Database, you have a wide range of options that address this concern, allowing you to identify and remediate overwhelming majority of performance-related issues.

Customizing the Default Azure Data Studio Dashboards 01/03/2019

Explore the Azure Data Studio dashboards and see how to customize one of these dashboards to include a new widget.

New Preview of SQL Server Management Studio Available for Download 12/06/2018

On September 24th Microsoft released the first Community Technical Preview for SQL Server 2019, which was CTP2.0. At the same time Microsoft pushed out a new preview for SQL Server Management Studio (SSMS) known as version 18. Now is the time to download this new preview!

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Oracle

Handling Disaster Recovery When Using Oracle Managed Files 01/16/2019

Standby databases are used in most, if not all, Data Recovery configurations, and init.ora files and control file creation scripts are usually generated on the primary. Read on to see why, when using Oracle Managed Files, they need to be created on the standby.

Choosing Between Oracle's Bitmap and Function-based Indexes 12/26/2018

Oracle provides two ways to create an index that can reliably be used with nulls; a bitmap index and a function-based index. In this article, you will learn when each is applicable and see them in action!

Improvements in Oracle's Join Elimination 12/13/2018

Occasionally a join using primary key columns in a query can be eliminated because of the data involved.  In Oracle 12.2 and later, multi-column primary keys can be used to do this; however, there are cases where the join elimination is not complete . In this article, you'll see an example that illustrates these points.

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MS Access

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DB2

HTAP - Hybrid Transaction and Analytical Processing 01/10/2019

The IT enterprise has grown, databases are bigger, companies have more product lines, more services, more customers and more transactions. Business analysts used to be satisfied with subsets of only certain data elements for their queries, and now they want it all. Now they want more....

Big Data: Health Checking Your System 12/18/2018

As big data solutions grow in size and complexity, concerns can rise about future performance. One way to assess the potential effects is to measure your big data application’s health.

IBM Db2 Statistical Functions for Analytics 11/27/2018

Until recently, business analytics against big data and the enterprise data warehouse had to come from sophisticated software packages. This was because many statistical functions such as medians and quartiles were not available in basic SQL, forcing the packages to retrieve large result sets and perform aggregations and statistics locally. Today, many database management systems have incorporated these functions into SQL, including IBM's flagship product, Db2.

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