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text_columns.html
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text_columns.html
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
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<title>text_columns: common_schema documentation</title>
<meta name="description" content="text_columns: common_schema" />
<meta name="keywords" content="text_columns: common_schema" />
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<h1>common_schema</h1> <strong>2.2</strong> documentation
<div class="subtitle">DBA's framework for MySQL</div>
</div>
<div id="contentwrapper">
<div id="content">
<h2><a href="text_columns.html">text_columns</a></h2>
<h3>NAME</h3>
text_columns: list textual columns character sets & collations
<h3>TYPE</h3>
View
<h3>DESCRIPTION</h3>
<p><i>text_columns</i> builds upon INFORMATION_SCHEMA's COLUMNS table to present with
textual columns, their character sets and collations.
</p>
<p>Textual columns are columns of types <strong>CHAR</strong>, <strong>VARCHAR</strong>, <strong>TINYTEXT</strong>, <strong>MEDIUMTEXT</strong>, <strong>TEXT</strong>, <strong>LONGTEXT</strong>.
</p>
<p><strong>ENUM</strong> and <strong>SET</strong> types are excluded, although they, too, are associated with character sets and collations.
Internal representation of <strong>ENUM</strong> & <strong>SET</strong> is numeric.</p>
<h3>STRUCTURE</h3>
<blockquote><pre>
mysql> DESC common_schema.text_columns;
+--------------------+-------------+------+-----+---------+-------+
| Field | Type | Null | Key | Default | Extra |
+--------------------+-------------+------+-----+---------+-------+
| TABLE_SCHEMA | varchar(64) | NO | | | |
| TABLE_NAME | varchar(64) | NO | | | |
| COLUMN_NAME | varchar(64) | NO | | | |
| COLUMN_TYPE | longtext | NO | | NULL | |
| CHARACTER_SET_NAME | varchar(32) | YES | | NULL | |
| COLLATION_NAME | varchar(32) | YES | | NULL | |
+--------------------+-------------+------+-----+---------+-------+
</pre></blockquote>
<h3>SYNOPSIS</h3>
<p>Columns of this view directly map to those of <a href="http://dev.mysql.com/doc/refman/5.1/en/columns-table.html">INFORMATION_SCHEMA.COLUMNS</a></p>
<h3>EXAMPLES</h3>
<blockquote><pre>mysql> SELECT * FROM common_schema.text_columns WHERE TABLE_SCHEMA IN ('sakila', 'world');
+--------------+----------------------------+----------------+--------------+--------------------+-------------------+
| TABLE_SCHEMA | TABLE_NAME | COLUMN_NAME | COLUMN_TYPE | CHARACTER_SET_NAME | COLLATION_NAME |
+--------------+----------------------------+----------------+--------------+--------------------+-------------------+
| sakila | actor | first_name | varchar(45) | utf8 | utf8_general_ci |
| sakila | actor | last_name | varchar(45) | utf8 | utf8_general_ci |
| sakila | actor_info | first_name | varchar(45) | utf8 | utf8_general_ci |
| sakila | actor_info | last_name | varchar(45) | utf8 | utf8_general_ci |
| sakila | actor_info | film_info | longtext | utf8 | utf8_general_ci |
| sakila | address | address | varchar(50) | utf8 | utf8_general_ci |
| sakila | address | address2 | varchar(50) | utf8 | utf8_general_ci |
| sakila | address | district | varchar(20) | utf8 | utf8_general_ci |
| sakila | address | postal_code | varchar(10) | utf8 | utf8_general_ci |
| sakila | address | phone | varchar(20) | utf8 | utf8_general_ci |
| sakila | category | name | varchar(25) | utf8 | utf8_general_ci |
| sakila | city | city | varchar(50) | utf8 | utf8_general_ci |
| sakila | country | country | varchar(50) | utf8 | utf8_general_ci |
| sakila | customer | first_name | varchar(45) | utf8 | utf8_general_ci |
| sakila | customer | last_name | varchar(45) | utf8 | utf8_general_ci |
| sakila | customer | email | varchar(50) | utf8 | utf8_general_ci |
| sakila | customer_list | name | varchar(91) | utf8 | utf8_general_ci |
| sakila | customer_list | address | varchar(50) | utf8 | utf8_general_ci |
| sakila | customer_list | zip code | varchar(10) | utf8 | utf8_general_ci |
| sakila | customer_list | phone | varchar(20) | utf8 | utf8_general_ci |
| sakila | customer_list | city | varchar(50) | utf8 | utf8_general_ci |
| sakila | customer_list | country | varchar(50) | utf8 | utf8_general_ci |
| sakila | customer_list | notes | varchar(6) | utf8 | utf8_general_ci |
| sakila | film | title | varchar(255) | utf8 | utf8_general_ci |
| sakila | film | description | text | utf8 | utf8_general_ci |
| sakila | film_list | title | varchar(255) | utf8 | utf8_general_ci |
| sakila | film_list | description | text | utf8 | utf8_general_ci |
| sakila | film_list | category | varchar(25) | utf8 | utf8_general_ci |
| sakila | film_list | actors | longtext | utf8 | utf8_general_ci |
| sakila | film_text | title | varchar(255) | utf8 | utf8_general_ci |
| sakila | film_text | description | text | utf8 | utf8_general_ci |
| sakila | language | name | char(20) | utf8 | utf8_general_ci |
| sakila | nicer_but_slower_film_list | title | varchar(255) | utf8 | utf8_general_ci |
| sakila | nicer_but_slower_film_list | description | text | utf8 | utf8_general_ci |
| sakila | nicer_but_slower_film_list | category | varchar(25) | utf8 | utf8_general_ci |
| sakila | nicer_but_slower_film_list | actors | longtext | utf8 | utf8_general_ci |
| sakila | sales_by_film_category | category | varchar(25) | utf8 | utf8_general_ci |
| sakila | sales_by_store | store | varchar(101) | utf8 | utf8_general_ci |
| sakila | sales_by_store | manager | varchar(91) | utf8 | utf8_general_ci |
| sakila | staff | first_name | varchar(45) | utf8 | utf8_general_ci |
| sakila | staff | last_name | varchar(45) | utf8 | utf8_general_ci |
| sakila | staff | email | varchar(50) | utf8 | utf8_general_ci |
| sakila | staff | username | varchar(16) | utf8 | utf8_general_ci |
| sakila | staff | password | varchar(40) | utf8 | utf8_bin |
| sakila | staff_list | name | varchar(91) | utf8 | utf8_general_ci |
| sakila | staff_list | address | varchar(50) | utf8 | utf8_general_ci |
| sakila | staff_list | zip code | varchar(10) | utf8 | utf8_general_ci |
| sakila | staff_list | phone | varchar(20) | utf8 | utf8_general_ci |
| sakila | staff_list | city | varchar(50) | utf8 | utf8_general_ci |
| sakila | staff_list | country | varchar(50) | utf8 | utf8_general_ci |
| world | City | Name | char(35) | latin1 | latin1_swedish_ci |
| world | City | CountryCode | char(3) | latin1 | latin1_swedish_ci |
| world | City | District | char(20) | latin1 | latin1_swedish_ci |
| world | Country | Code | char(3) | latin1 | latin1_swedish_ci |
| world | Country | Name | char(52) | latin1 | latin1_swedish_ci |
| world | Country | Region | char(26) | latin1 | latin1_swedish_ci |
| world | Country | LocalName | char(45) | latin1 | latin1_swedish_ci |
| world | Country | GovernmentForm | char(45) | latin1 | latin1_swedish_ci |
| world | Country | HeadOfState | char(60) | latin1 | latin1_swedish_ci |
| world | Country | Code2 | char(2) | latin1 | latin1_swedish_ci |
| world | CountryLanguage | CountryCode | char(3) | latin1 | latin1_swedish_ci |
| world | CountryLanguage | Language | char(30) | latin1 | latin1_swedish_ci |
+--------------+----------------------------+----------------+--------------+--------------------+-------------------+
</pre></blockquote>
<h3>ENVIRONMENT</h3>
MySQL 5.1 or newer.
<h3>SEE ALSO</h3>
<a href="table_charset.html">table_charset</a>
<h3>AUTHOR</h3>
Shlomi Noach
<br/>
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<h3>QUERY SCRIPT</h3>
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<h3>DEBUG</h3>
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<h3>ROUTINES</h3>
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<h3>VIEWS</h3>
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<h3>DATA</h3>
<ul>
<li><a title="tables" href="tables.html">Tables</a></li>
<li><a title="variables" href="variables.html">Variables</a></li>
</ul>
<h3>META</h3>
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<li><a title="status" href="status.html">status</a></li>
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<a href="">common_schema</a> documentation
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