Cardinality Estimation for “MINUS” Operator
Mind inaccurate cardinality estimations when using MINUS operator in subqueries. Continue Reading
Month: February 2018
Corruption after “alter table move” in Oracle 12.2
“Alter table move” might cause a corruption in an Oracle 12.2 databases if user defined types are used. Continue Reading
PL/SQL Exception Handling Performance Degradation in Oracle 12.2
Potentially a huge performance issue with PL/SQL exception handling in 12.2 Continue Reading