As a database consultant, one of the things I am most frequently asked about is dealing with database locking issues. Usually, the question is posed by someone who is experiencing a slowdown in their ...

Lock contention issues can be frustrating problems to investigate and debug. But anytime a database system is involved, the potential exists for locking to cause concurrency problems. Before blaming ...

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Note: Some SAS procedures set CNTLLEV equal to MEM internally for their own processing reasons. Many statistical procedures must make multiple passes of the data. For example, finding the median ...