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Virtualization Basics: Troubleshooting

No more shooting from the hip This week, I’ll take you through troubleshooting, a skill that allows admins to drill down into an incident to gain understanding about its underlying cause and any related effects.  Last week, I went over remediation, describing it as the skill that allows virtualization admins to keep their jobs. If […]

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Can Data Keep Pace with DevOps and Agile?

Provisioning a new server has become increasingly easy with virtualization. Provisioning data, however, can be more challenging, especially in Agile shops where the volume of environments required to support dev and testing can easily go beyond the abilities of your IT operations to keep up. Is there any way to make it easier? We brought […]

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Intent-based Networking – A Must for SDN

SDN is about making networking more flexible and agile through programming network elements. Such programming needs to be done in a standard way. Hence, standardizing the southbound protocol that directly commands a network element to forward traffic is important. So is the northbound protocol through which different applications tell an SDN controller the WHAT and […]

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Using Oracle Cost-based Optimizer Hints: Part 2

This article series will focus using Oracle cost-based optimizer (CBO) hints, and this second article on producing a series of hints that will replicate an exact explain plan. In Part 1, we discussed the OUTLINE produced by DBMS_XPLAN.Display(FORMAT=>’OUTLINE’),   I find the IGNORE_OPTIM_EMBEDDED_HINTS to be an interesting hint to appear here.  This hint says to ignore all hints.  […]

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Using the USER Pseudo-Column in Oracle Views

The USER pseudo-column is quite useful when you are using remote data access methods. For example, you may not want all remote users to see all rows in a table. To solve this problem, you must think of remote users as special users within your database. To enforce the data restriction, you need to create […]

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Best Practices for Virtualizing SQL Server

It wasn’t that long ago that many companies thought that you couldn’t virtualize SQL Server because it was too resource intensive. However, with the advances that both Microsoft and VMware have made to Hyper-V and vSphere respectively today’s virtualization platforms are more than capable of running almost every enterprise workload – including SQL Server. This […]

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