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what will happen to orphaned rows in a table if I add foreign key to one of the columns...

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Oracle AS keyword and subqueries...

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Does MySQL allow using syntax with straight join?...

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Ideal solution for the following case scenario in database...

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DBMS And Database Server Software...

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Mysql procedure to move data from one database to another perodically...

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MySQL seems to have a bug with distinct, avg, and group-by...

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How do I have sorted column names based on a condition?...

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Representing many-to-many with restraints...

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hierarchical data in a database: recursive query vs. closure tables vs. graph database...

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rdbms & big data into a datamart?...

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Selecting GROUP BY records condensed from two or more table records...

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MySQL query to update all "duplicate" rows except the latest one...

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Does clustered index sort order have impact on performance...

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SQL design for survey with answers of different data types...

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'questions' and 'answers' with multiple answers...

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Why use lookup tables in a database...

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Data retrieval - Database VS Programming language...

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PHP ORM with NOSQL and RDBMS support...

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