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    Database efficient updating dating site for social outcast

    The table format is simple and easy for database users to understand and use.RDBMSs provide data access using a natural structure and organization of the data.3) If exists and value is different: Update field and field revision.This will have two improvements: 1) Write to the database only if value changed 2) Select Update are much faster then Delete Insert Some of the benefits on database performance I can see are: I totally agree with you here (and it is an issue/feature of Drupal 7.x too) But there may be some history behind this?This means that every element contains a direct pointer to its adjacent element and no index lookups are necessary.General graph databases that can store any graph are distinct from specialized graph databases such as triplestores and network databases.

    AFAICS, the new code would have to query existing values first, compare them against new values, and lastly, perform the necessary insert/update delete queries.In computing, a one-pass algorithm is one which reads its input exactly once, in order, without unbounded buffering.A one-pass algorithm generally requires O(n) time and less than O(n) storage (typically O), where n is the size of the input.Built-in locking and transactions management functionality allow users to access data as it is being changed, prevents collisions between two users updating the data, and keeps users from accessing partially updated records.Authorization and privilege control features in an RDBMS allow the database administrator to restrict access to authorized users, and grant privileges to individual users based on the types of database tasks they need to perform.

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