Nov 26, 2017 · 43 Statspack • Since Oracle 7 (1992!), the database is counting wait events for various wait operations • Timed events were gathered in the instance level (non persistent) • In Oracle 8.1.6 a new feature for diagnosing the wait events was added: Statspack • This tool doesn’t require license or additional costs • Can run on Standard I'm using Oracle.DataAccess.Client.OracleBulkCopy to fill the table. As far as I understand documentation from Oracle PRIMARY KEY constraints had to be checked. Obviously they are not checked, as I found by doing the same bulkcopy two times in succession which ended in duplicates in all row. See full list on docs.microsoft.com When Oracle detects that an index is created on a column, and all the values are progressing (1,2,3,4) when splitting a block, it creates it 90% in old block, 10% in the new block, not 50/50 as in any other case. STATSPACK and AWR Snapshot Thresholds. The snapshot thresholds for AWR and STATSPACK are frequently misunderstood. In you look at the report format for any AWR or STATSPACK report, we see SQL statistics can take-up over 50% of a report.

Administración de Oracle 10g (Parte 2) Este documento electrónico puede ser descargado libre y Francisco Fernández Martínez (pacof@um.es) gratuitamente desde Internet para su ejecución e impresión, sólo para fines educativos y/o personales, Juan Luis Serradilla Amarilla (juanlu@um.es) respetando su integridad y manteniendo los créditos de los autores en el pie de página.

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Learn the cause and how to resolve the ORA-01452 error message in Oracle. You tried to execute a CREATE UNIQUE INDEX statement on one or more 

A simple STATSPACK report that shows a tremendous increase in physical 1/0 activity or table scans (long tables) could help you track down that missing index.

Apr 22, 2020 · This week’s Ecosophian offering is the monthly (well, more or less!) open post to field questions and encourage discussion among my readers. All the standard rules apply — no profanity, no sales pitches, no trolling, no rudeness, no long screeds proclaiming the infallible truth of fill in the blank — but since there’s no topic,…

The Oracle docs note this on the ORA-01502 error: ORA-01502: index "string. string" or partition of such index is in unusable state. Cause: An attempt has been   In this tutorial, you will learn how to use Oracle unique index to prevent duplicate values in the indexed column or columns of a table. e.printStackTrace(); } finally{ System.out.println("Finally Block"); SnapshotFactory. dispose(iSnap); } } Error while getting Platform's Extension 

5 Jan 2017 Real-Time Materialized Views in #Oracle 12c 2 (0)| 00:00:01 | | 21 | INDEX FULL SCAN | I_SNAP$_MV1 | 5 | | 1 (0)| 00:00:01 | |* 22 | FILTER 

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