Conditional Compile in SQL*Plus - Oracle 6 to 11
This article shows how use conditional compilation in Oracle using some SQL*Plus trickery. This is an alternative to the 10gr2 conditional compilation feature which has limitations. This technique...
View ArticleFlush the Oracle buffer cache and shared pool
The method used to flush the Oracle buffer cache depends on the version of Oracle that you are using. Oracle 10g has a documented method to flush the buffer cache. If you are still on Oracle 9i you...
View ArticleNVL variations - NVL2, LNNVL, NULLIF, COALESCE
We all know about NVL, the SQL function that converts a value into another value if the value is null. There are other variations on NVL that are not so well known - NVL2, LNNVL, NULLIF and COALESCE...
View ArticleV$BH Block Buffers
V$BH is an Oracle dictionary view that shows the blocks that are currently in the Oracle buffer cache (one row per block). I have noticed that many examples that use this view join incorrectly to...
View ArticleCompile Invalid Public Synonyms
This article shows how to recompile public synonyms in an Oracle database that are currently invalidread more
View ArticleOracle temporary tablespace files
This article shows you how to correctly join the Oracle DBA_TABLESPACES to DBA_DATA_FILES and DBA_TEMP_FILES dictionary views to correctly handle files for temporary tablespacesread more
View ArticleOracle tables to ignore - DR$ BIN$ etc
You will often need to ignore Oracle tables such as DR$ and BIN$ tables when processing all tables in an application schemaread more
View ArticleHistory of the Oracle Database Name
The history books do not have the origin of the Oracle database name quite right, according to Bruce Scott.read more
View ArticleOracle DataPump - magazine article by Scott Hollows
My article on Oracle Data Pump has been published in the November 2010 edition of Foresight Magazine (published by the Australian Oracle User Group). The title is "Oracle Data Pump - Time to let go...
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