At the crux of many an enterprise-scale big data system stands either MapReduce or a parallel database management system. But which is more efficient? Researchers from Dublin Institute of Technology, ...
Optimizing the performance of operational databases and the applications that access them is a constant battle for DBAs. Of course, writing efficient SQL is the most important aspect of ensuring ...
One of the most common problems when running SQL Servers is slow queries. The help desk or database team usually hears that described as the application is slow or ...
A common SQL habit is to use SELECT * on a query, because it’s tedious to list all the columns you need. Plus, sometimes those columns may change over time, so why not just do things the easy way? But ...
SQL is neither the fastest nor the most elegant way to talk to databases, but it is the best way we have. Here’s why Today, Structured Query Language is the standard means of manipulating and querying ...
The role of the DBA is complex, requiring expertise in designing, implementing, managing, and tuning database systems. DBAs are also tasked with supporting developers, so they need to understand how ...
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