CBO

Adaptive Cursor Sharing Fail

Month End

Lost Concatenation

Invisible Bug

Index Sanity

Cardinality trick

What’s Special About Oracle ? Relational Databases and the Thick Database Paradigm

CBO++

Virtual Partitions

Debugging

Set Operations

Semijoin_driver

Subquery Effects

NLS Mess

Column Groups

Estimate_percent

Histogram Tip

IN/EXISTS bugs

Index Usage – 4

CBO catchup

Subquery Factoring (10)

Subquery Factoring (9)

12c Downgrade

Descending Indexes

Missing Bloom

CBO series

Dynamic Sampling

CBO Series

Temp Table Transformation Cardinality Estimates - 2

Temp Table Transformation Cardinality Estimates - 1