Vyacheslav Rasskazov

mcbee@pythian.com

Oracle

Reviewing the operation modes of Oracle GoldenGate BigQuery Handler

GoldenGate for Big Data 12.3.2.1.1 introduces a new target — Google BigQuery. The BigQuery handler can work in two ...

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OLTP type 64 compression and 'enq: TX - allocate ITL entry' on Exadata

Recently we've seen a strange problem with the deadlocks at the client database on Exadata, Oracle version 11.2.0.4. ...

Oracle

Bushy join trees in Oracle 12.2

Context There are multiple optimizer features introduced in the Oracle Database 12.2 Release. Bushy Join Trees is the ...

Oracle

Performance problems with Dynamic Statistics in Oracle 12c

Test Case Preparation I’ve been making some tests recently with the new Oracle 12.1.0.2 In-Memory option and have been ...

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Vyacheslav Rasskazov

Posts by Vyacheslav Rasskazov

Reviewing the operation modes of Oracle GoldenGate BigQuery Handler

OLTP type 64 compression and 'enq: TX - allocate ITL entry' on Exadata

Bushy join trees in Oracle 12.2

Performance problems with Dynamic Statistics in Oracle 12c

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