MYSQL in a Nutshell

MYSQL in a Nutshell

Russell Dyer

Language: English

Pages: 2879

ISBN: B004QUS142

Format: PDF / Kindle (mobi) / ePub

MYSQL in a Nutshell

Russell Dyer

Language: English

Pages: 2879

ISBN: B004QUS142

Format: PDF / Kindle (mobi) / ePub


When you need to find the right SQL keyword or MySQL client command-line option right away, turn to this convenient reference, known for the same speed and flexibility as the system it covers so thoroughly. MySQL is packed with so many capabilities that the odds of remembering a particular function or statement at the right moment are pretty slim. With MySQL in a Nutshell, you get the details you need, day in and day out, in one concise and extremely well organized book.

The new edition contains all the commands and programming information for version 5.1, including new features and language interfaces. It's ideal for anyone using MySQL, from novices who need to get up to speed to advanced users who want a handy reference. Like all O'Reilly Nutshell references, it's easy to use and highly authoritative, written by the editor of the MySQL Knowledge Base at MySQL AB, the creator and owner of MySQL.

Inside, you'll find:
* A thorough reference to MySQL statements, functions, and administrative utilities
* Several tutorial chapters to help newcomers get started
* Programming language APIs for PHP, Perl, and C
* Brief tutorials at the beginning of each API chapter to help anyone, regardless of experience level, understand and master unfamiliar territory
* New chapters on replication, triggers, and stored procedures
* Plenty of new examples of how MySQL is used in practice
* Useful tips to help you get through the most difficult subjects
Whether you employ MySQL in a mission-critical, heavy-use environment or for applications that are more modest, this book puts a wealth of easy-to-find information at your fingertips, saving you hundreds of hours of trial and error and tedious online searching. If you're ready to take advantage of everything MySQL has to offer, MySQL in a Nutshell has precisely what it takes.

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you for a password. You can also add the password to the end of the -p option (e.g., enter -prover where rover is the password); if you do this, leave no space between -p and the password. However, entering the password on the command line is not a good security practice, because it displays the password on the screen and transmits the password as clear text through the network, as well as making it visible whenever somebody gets a list of processes running on the server. When you’re finished

United States, we’re using the CONCAT() function in conjunction with a few date functions. It may be a little confusing at first glance, because we’re inserting a space between the month and the day at the end of the first line and a comma and a space after the day at the end of the second line. As for the date functions, the first one extracts the month from the purchase_date column and formats it so its full name is displayed. The second date function on the second line extracts just the day,

returns the number of rows already fetched. Here is an example: ... my_ulonglong num_rows = mysql_num_rows(result); ... See mysql_list_fields() earlier in this section for a more elaborate example that uses this function. Name mysql_options() Synopsis int mysql_options(MYSQL *mysql, enum mysql_option option, const char *value) Use this function to set connection options before a connection has been established using a function such as mysql_real_connect() or mysql_connect().

workrequests database for all of its tables. This will allow him to read from the various tables but not edit the data. The second SQL statement grants jerry the right to add and change data in the workreq table of the workrequests database. This will allow him to enter work requests and make changes to them. The first statement causes an entry to be made to the db table in the mysql database. The second affects the tables_priv table. An entry is also made to the user table showing the user

keywords. If a column’s data type is changed, MySQL attempts to adjust the data to suit the new data type. If a column width is shortened, MySQL truncates the data and generates warning messages for the affected rows. Indexes related to changed columns will be adjusted automatically for the new lengths. In the CHANGE clause, the current column name must be specified first, followed by either the same column name if the name is to remain the same, or a new column name if the name is to be

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