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Oracle 12c In-Memory Database
While data warehouses do have their own place, most OLTP databases today are still used to run analytical and DSS type queries and workloads to support real-time decision-enabling information...
View ArticleOracle 12c new feature APPROX_COUNT_DISTINCT and FETCH FIRST ROWS
If we are dealing with large amounts of data and have to use queries to find count of distinct values of some particular column or group of columns, the new 12.1.0.2 feature APPROX_COUNT_DISTINCT...
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