Getting error ORA-01722: Invalid number but can't figure out why
I am trying to update a Oracle script to join in a new table but as soon as I add the new table via an inner join it generates an invalid number error and I cant figure out why. I have looked at the...
View ArticleWhere is DatabaseSupport directory in the ArcGIS client?
May I know where is this folder stated in the guide? DatabaseSupport directory in the ArcGIS client installation location and move it to a location on the Oracle server....
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Oracle Express intermittently stops responding, requiring a OS reboot to fix
I’ve been having an issue with Oracle XE the past 2 days and it’s really been making me pull my hair out. There seems to be no rhyme nor reason why this happens, or when it does, but it happened 6...
View ArticleHow to disable oracle's MAX_ENABLED_ROLES limit
How to disable oracle’s MAX_ENABLED_ROLES limit or expand the value of limitation. [oracle 10g (win32)]
View ArticleHow to justify efforts to make capitalization of class and property names...
In this thread, an Oracle Product Manager (username “Alex Keh”) refused to make Oracle’s EF provider to conform with .NET’s PascalCase coding standard for class names and property names, saying that it...
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ORA-01017 while connecting with Zeos library
I’m doing and application in which I need to establish a connection with an Oracle database. I was already capable of doing that perfectly with a software using Qt and the QOCIDriver, which means I...
View ArticleHow to load the Adventureworks database into Oracle?
I am trying to work through some of the examples at sqlzoo and I would like to load the example adventureworks example database into an Oracle database at home. Google search has not turned up any sql...
View Articlefind sold subscriptions from table 1 and store name in table 2, joined by...
I am trying to get the number of sold subscriptions from one table and the store name from another. The tables have a common column containing a store id, however the columns do not have the same name....
View ArticleOracle schema migration to new database with zero downtime
I have a problem: I have two production schemas on one database each serving two different appplicaitons. I need to migrate (move) one schema to an entirely new database that will be dedicated for that...
View ArticleMost efficient way to perform table operations (spec. drop) on tables having...
I am performing a schema dump of certain tables. This accompanied by dropping the tables that will be dumped. For example I need to drop all tables that start with, let’s say, “SRC_”. You guys think of...
View Articlerman 'delete archivelog all’ very slow
On our automated test system we use flashback all the time to reset our Oracle 11g database to a state before a testrun. We noticed some of the scripts involved started to become slower and slower. In...
View ArticleDB Certificates [duplicate]
This question already has an answer here: The Value of Certifications 13 answers
View ArticleChanging the SGA and/or PGA in Oracle 11g affects the performance of the...
I am making a practice for school where one of the questions is if changing the SGA/PGA size would affect the queries performance and in what sense. I have been looking around for how to do that and...
View Articleoracle search against intersect of a region that covers the whole world...
I am new to Oracle Spatial, I am trying to implement a service that will take coordinates from a map, and search our database to find any geometries that intersect with that map view. I works fine for...
View Articlerman 'delete archivelog all’ very slow
On our automated test system we use flashback all the time to reset our Oracle 11g database to a state before a testrun. We noticed some of the scripts involved started to become slower and slower. In...
View ArticleWhere is my blob stored?
Using oracle 11, Although a lot was already written about blobs, there is something that is not still clear for me. I was told that by default blobs stored in row if the are < 3900. Does it means...
View Articlegolden gate initial load not working
I recently started studying golden gate I read basic components of golden gate and started with installation written in following book click [link]...
View ArticleHow to disable flashback query logging for a specific table (Oracle)?
We have a specific table that has a lot of activity and it creates a lot of change records. The consequence is that the flashback data only goes back a couple of days. That is OK for many cases but it...
View ArticleWhy do shadow processes exist?
Oracle architecture has two types of process: server process or foreground process and background process, but: Some people use it to refer to foreground processes, others use it for background...
View ArticleIn what order are rows fetched absent ORDER BY clause?
One programmer is testing and comparing the same application which uses the same database structure, and the same data, only in two separate databases, one with Oracle 8 and one with Oracle 9. The app...
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