kyle HaileyMay 7, 20142 minFull table scan runs way slower today!Every so often a DSS query that usually takes 10 minutes ends up taking over an hour. (or one that takes an hour never seems to finish)...
kyle HaileyMay 5, 20142 minRight Deep, Left Deep and Bushy Joins in SQLWhat is right deep verses left deep? Good question. In join trees (not VST) the object on the left is acted upon first then the object on...
kyle HaileyAug 28, 20132 minCURSOR_SHARING : a picture is worth a 1000 wordsAnyone who has been around Oracle performance over the years knows the grief that hard parsing SQL queries can cause on highly concurrent...
kyle HaileyAug 28, 20136 minFinding the slowest SQL execution of the same queryDoes the query always execute in the same amount of time? If some executions are slower, what is the slowest execution time? When did...