MySQL Tutorials

MySQL Strengths and Weaknesses

This article contains some information about the strengths and weaknesses of MySQL.
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Changing the Structure of an Existing Table in MySQL

First you'll add the price field to the table, using the ADD command and specifying the properties of the field: mysql> ALTER TABLE book ADD (price INTEGER);
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Querying the Database in MySQL

When retrieving data with a SELECT query, you can order the returned rows by adding an ORDER BY clause to the command. The ORDER BY statement is followed by the column that you want to sort on, and finally you specify whether to order highest to lowest (a descending sort as indicated by DESC) or lowest to highest (an ascending sort, as indicated by ASC). ASC is the default sort, so it's assumed if neither DESC nor ASC is specified. For instance, the following command displays books in order of price, highest price first:
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Modifying data and using WHERE clause in MySQL

You can modify data using the UPDATE...SET command. When using this syntax, you simply specify the table where you want to change column values after the UPDATE statement and specify which column or columns are to be affected after the SET statement.
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Deleting Data in MySQL

To delete a given row or set of rows, you use the DELETE FROM...WHERE command. For instance, you can delete the book called Mr Bunny's Guide to JDO with this command:
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Inserting Data into Tables in MySQL

To do this, you need to use the INSERT INTO...VALUES command.
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Latest Tutorials MySQL : Windows cannot access the specified device, path or file. You may not have the appropriate permissions to access them. MySQL : ERROR 1251: Client does not support authentication protocol requested by server; consider upgrading MySQL client MySQL : Changing the Structure of an Existing Table in MySQL MySQL : Inserting Data into Tables in MySQL MySQL : Querying the Database in MySQL MySQL : Modifying data and using WHERE clause in MySQL MySQL : Deleting Data in MySQL MySQL : What is SQL Injection MySQL : MySQL Strengths and Weaknesses MySQL : Table __________ is marked as crashed and should be repaired.