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POAchieve data between particular date in Mysql
 

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  1. POAchieve data between particular date in Mysql
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    <p>I have three tables named <code>User</code>,<code>Role</code> and <code>Balance_updates</code>. <code>User</code> table hold info about user,<code>Role</code> depicts type of user like Customer,Admin,Manager and <code>Balance_updates</code> store all transaction regarding balance i.e it store history about transaction related to balance.</p> <p><strong>Tables</strong></p> <p>User</p> <pre><code>+-----------------------+--------------+------+-----+-------------------+-------+ | Field | Type | Null | Key | Default | Extra | +-----------------------+--------------+------+-----+-------------------+-------+ | username | varchar(20) | NO | PRI | NULL | | | password | varchar(32) | NO | | NULL | | | email | varchar(50) | YES | | NULL | | | role_id | int(11) | NO | MUL | NULL | | | mobile_wallet_balance | double(20,2) | NO | | 0.00 | | | merit_point | bigint(20) | YES | | NULL | | | status | int(11) | NO | | NULL | | | is_auto_btm_enabled | tinyint(1) | YES | | 0 | | | created_at | datetime | YES | | NULL | | | updated_at | timestamp | YES | | CURRENT_TIMESTAMP | | | gender | varchar(20) | YES | | NULL | | | validity | date | YES | | NULL | | | status_desc | text | YES | | NULL | | +-----------------------+--------------+------+-----+-------------------+-------+ Role +-------------+--------------+------+-----+---------+----------------+ | Field | Type | Null | Key | Default | Extra | +-------------+--------------+------+-----+---------+----------------+ | id | int(11) | NO | PRI | NULL | auto_increment | | name | varchar(25) | NO | UNI | NULL | | | description | varchar(255) | YES | | NULL | | | value | varchar(25) | NO | | NULL | | +-------------+--------------+------+-----+---------+----------------+ </code></pre> <p>Balance_updates</p> <pre><code>+------------+--------------+------+-----+-------------------+----------------+ | Field | Type | Null | Key | Default | Extra | +------------+--------------+------+-----+-------------------+----------------+ | id | int(11) | NO | PRI | NULL | auto_increment | | username | varchar(15) | NO | | NULL | | | role_id | int(11) | YES | | NULL | | | amount | double(20,2) | YES | | NULL | | | updated_at | timestamp | NO | | CURRENT_TIMESTAMP | | +------------+--------------+------+-----+-------------------+----------------+ </code></pre> <p>Data in Balance_updates</p> <p><strong>Objective</strong></p> <p>I want to generate all users and their respective balance in any given date; For example if i want the balance statement for a given date <code>2012-12-28</code> it should generate latest balance from <code>Balance_updates</code>.</p> <p><strong>What I have tried</strong></p> <pre><code>SELECT DISTINCT ( u.username ), r.value, u.amount AS `amount` FROM Balance_updates u INNER JOIN Role r ON u.role_id = r.id WHERE u.amount &gt; 0.0 &amp;&amp; UNIX_TIMESTAMP( u.updated_at ) &lt; UNIX_TIMESTAMP( '2013-1-3 23:59:59' ) ORDER BY r.value, UNIX_TIMESTAMP( u.updated_at ) DESC </code></pre> <p><strong>RESULT and PROBLEM</strong></p> <p>As you expect it is returning all values from Balance_updates i.e every other User transaction recorded.</p> <p>Question:</p> <p>1.How can i achieve latest balance statement of a user in a particular date.If in that date user balance is not changed then show his balance in previous time last changed.</p> <p>Any help will be appreciated;</p>
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