List/Grid Tag Archives: Databases

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MySql connections autodrop after a certain hours

MySql is configured to drop any connection which has been Idle for more than 8 hours. What is the implication of this? After you return to your deployed app after a gap of 8 hours (If ...
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Data Warehouse Design Approaches

In our previous posts we have got to learn about Data Warehousing Objects, different kinds of Data Warehouse schemas and Data Warehouse Basics. Now it time we learn about how to build ...
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Recycle Bin in Database

Oracle introduced in database 10g new feature called ‘Recycle Bin’ to store the dropped database objects. If any table is dropped then any associated object to this table ...
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Debugging SQL query in MySQL

Recently I started writing SQL query for analyzing and debugging the production code. But I was surprised to see that some queries takes longer time to execute to achieve the same output. ...
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