Discussions Populaires Dans la Communauté PostgreSQL

How do I get 0 instead of null in this query?‎

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How do I find second highest value from a table?‎

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Why it is preferred to create a table space on a partition other than the system partition?‎

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How to get last three month records from a table? ‎

Postgresl / mySQL / Oracle‎

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How can I get the value for aggregate query in Yii if the aggregate value not an attribute on the activerecord class?‎

$criteria = new CDbCriteria(); $criteria->select = 'type , seen, count(1) As counts'; $criteria->condition = 'mb = :mb AND deleted = false AND arc‎ ... Voir Plus

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What are the differences between Oracle , MSSql , MySql , Access and postgresql, please compare by the following points ?‎

Points are : (1) - number of the computers ( clients ) that I can Connect To that database (2) - security that make that database special (3) - command that help to make ‎ ... Voir Plus

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What do you mean by NOSQL database?‎

Explain with illustrations/examples‎

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How to perform the Delete dml in postgres and get the number of deleted rows at the same time?‎

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What database aspects should be monitored?‎

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What database block size should I use?‎

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