What are collection pools? What are the advantages?

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How can I join two tables in database?

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What's the difference between file and database?

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How do you handle your own transaction?

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write a query to retrieve the last day of next month in oracle.

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1.If we have a Salary coloumn in Staff entity with this description the salary must be monetary and >=$35450.00, how we can write it in into schemain SQL? 2. If we have Weight and Marks in Assessment entity and the Weight has the description of this it must be Non-zero percentage. And also the Marks attribute stores the maximum possible raw mark for assessment (e.g., 30), while Weight stores of the weight of this assessment for the paper as a whole (e.g., 10%). If Marks is not specified, then Weight is used for both. How we can convert this into schema in SQL????

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List few ways to code transactions in an efficient manner?

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Define dbms.

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What is difference between database and dbms?

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What is a database in layman terms?

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What are the different technologies used to access Database from Visual Basic?

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what are the different integrity rules present in the dbms?

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