In this blog post, I’ll share example #3 and #4 from my presentation to demonstrate capabilities of Spark SQL Module. As I already explained in my previous blog posts, Spark SQL Module provides DataFr...
SQL Optimizer identifies columns to use as index alternatives for a SQL statement after it analyzes SQL syntax, relationships between tables, and selectivity of data. SQL Optimizer then combines ident...
You know the score, you are running an impdp and it looks to have hung up. You’ve watched the log file (or on screen messages) and it’s sitting at something like:
Processing object type TABLE_EXPORT/...