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Mark Halstead
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Alerting on elevation of privileges in SQL Server

Many of our Virtual-DBA clients need to complete audits for compliance with regulations. SOX (Sarbanes Oxley) is a common audit that our customers need to successfully complete. A common question the auditors ask is,   “How do you know a user has been granted elevated privileges?”   How do we do this? Let’s get started. The use of WMI queries in alerts...
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Liferay and Elastic Search integration

And after talking about the   Elastic Search  main features ,  how to create an Elastic Search cluster , and the Liferay, Solr and Elastic Search comparison , the most interesting part:: Liferay and Elastic Search integration As far as I know no one has integrated  Elastic Search  and Liferay  at the time this project started roughly one year...
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LPX-00106: DataGuard Observer is Version Picky

If you're like me, you tend to brush off concerns of compatibility between Oracle Client and Server versions.  After all, SQL*Plus hasn't changed much in the last 15-20 years, and I've gotten used to being able to connect to pretty much any database server version with any version of it.  While that may be true, some of the newer client tools are version specific.  RMAN 11g...
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Mega Menu Portlet

  Tasked to think of an easy way for users to create a mega menu, I came up with a 2 portlet display/config portlet combo. At the same time, I also wanted to try JSF after hearing so many good things about it. Here we go! Menu Config Portet Let’s first see how the UI looks like. The configuration is a 3 step process. 1. Select the top tabs you...
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SQL Server Deployment Considerations

In cases when a database change needs to be made there are some good rules that when used can save you a lot of time down the road.    Run changes via scripts – Scripts add for precise execution and help remove human error when it comes to typos. When creating scripts use a naming convention to indicate order of code execution, this will help...
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Jaspersoft Studio – Passing Parameters to Datasets

To pass parameters from the Main report to the datasets, the parameters have to have the same name. That is, if the name of the parameter in the main report is ‘Region’, then the Datasets which need this parameter will have to have a parameter with an identical name. The datasets can be used once the parameters have been added to the dataset and the query.     ...
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Liferay, Solr, Elastic Search comparision

To continue this series of blogs about Elastic Search, I would like to focus on performance. A lot of customers ask the big question: for search, what is the best solution? Liferay as is? Solr? Elastic Search? Anything else?   Many people would say that there is no correct answer for this, that it depends on a lot of factors, how important are searches, managability of the environment,...
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Setup Solr Cloud with Zookeeper and integrate it with Liferay

Clustering Solr 4.x Summary The recommended method for clustering Solr versions 4 and above is by leveraging the product’s new SolrCloud distributed capabilities to manage horizontal instance scaling. SolrCloud provides the following advanced features: Automatic distribution of index updates to the appropriate shard ...
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Goodbye dbconsole from Oracle Database 12c

I was working with a customer the other day and they were asking for some help setting up dbconsole for their 12c database. It seems that it wasn't working out of the box and they needed some help configuring it. So of course I said sure no problem! I have done dbconsole setups several times and it's not a huge project. So I started off by checking to see what was running and configured...
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How Stale is your Data Warehouse?

This is an important question that anyone responsible for a data warehouse should ask periodically and with some frequency as well. The following table will give you some concrete ideas on what to look for and how to use the metrics. The details of how you collect these metrics are dependent on your Database but this is definitely a good start: Category ...
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