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Contents

Acknowledgments

1 Introduction to Oracle Database 12c R1 & R2 New Features (DBA and Developer)

Oracle Database 12cR1 (12.1.0.1)

Increased Size Limit to 32K for VARCHAR2 and NVARCHAR2

Partial Indexes

Invisible Columns

Multiple Indexes on the Same Column List

Fetch First x Rows

Pluggable Databases (PDBs)

Oracle Database Cloud Service (Database as a Service)

PDB Level: MEMORY_LIMIT and MEMORY_MINIMUM (12cR2)

Change Compression at Import Time

Adaptive Query Optimization

PGA_AGGREGATE_LIMIT

Concurrent Execution for UNION/UNION ALL

Invoker Rights Function Can Be Results Cached

New DBMS_UTILITY.EXPAND_SQL_TEXT

Default for Columns ...

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