Where’s database data actually stored?

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A company wants to store their invoices in a database. They already have their customers and articles in that database. Both customer and article are each identified by an unique integer value. Please create the SQL statements for creating the necessary table(s) for storing the invoices in a MySQL database. An invoice should hold information like invoice number, customer, date, article(s) and quantity etc.

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What is triggers and how it can be used in mysql?

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Does adding an index lock a table?

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The table tbl_sites contains the following data: ----------------------------------------------------- Userid sitename country ------------------------------------------------------ 1 sureshbabu indian 2 PHPprogrammer andhra 3 PHP.net usa 4 PHPtalk.com germany 5 MySQL.com usa 6 sureshbabu canada 7 PHPbuddy.com pakistan 8. PHPtalk.com austria 9. PHPfreaks.com sourthafrica 10. PHPsupport.net russia 11. sureshbabu australia 12. sureshbabu nepal 13. PHPtalk.com italy Write a select query that will displayed the duplicated site name and how many times it is duplicated?

4 Answers   Afixi, GE,

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How to insert dynamic values in mysql using php?

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How you will show all data from a table.

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What are the differences between a primary key and foreign key?

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Why do we use preparedstatement?

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What causes mysql too many connections?

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How we can get the current date in mysql?

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How to Join tables on common columns.

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