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    <p>I couldn't find a more elegant solution for the datetime conversion but here you go:</p> <p><strong>1. DATETIME conversion</strong></p> <p>This assumes your value is always in the same format you specified:</p> <p><strong>Example code for you to run</strong></p> <pre><code>DECLARE @Value VARCHAR(255) = '20131211142319' SELECT CONVERT(DATETIME,LEFT(@Value,8) + SPACE(1) + STUFF(STUFF(STUFF(RIGHT(@Value,6), 1, 0, REPLICATE('0', 0)),3,0,':'),6,0,':')) </code></pre> <p>This splits the field into two sections, the DATE portion <code>LEFT(@Value,8)</code> and then the TIME <code>STUFF(STUFF(STUFF(RIGHT(@Value,6), 1, 0, REPLICATE('0', 0)),3,0,':'),6,0,':')</code>. The TIME portion is essentially just adding in the colon where applicable (see STUFF on <a href="http://technet.microsoft.com/en-us/library/ms188043.aspx" rel="nofollow">MSDN</a>)so that it returns a value such as:</p> <p><code>20131211 14:23:19</code> This makes it applicable to directly convert to a DATETIME. </p> <p><strong>2. Removing the # from the numbers</strong></p> <p><strong>Example code for you to run</strong></p> <pre><code>DECLARE @ValueNumber VARCHAR(255) = '#8339274' SELECT SUBSTRING(@ValueNumber,2,LEN(@ValueNumber)) </code></pre> <p>The above statement will take your number and only return data from the 2nd value onwards, excluding the #. See SUBSTRING on <a href="http://technet.microsoft.com/en-us/library/ms187748.aspx" rel="nofollow">MSDN</a></p> <p>To make this run on your table, just replace my variable names in the <code>SELECT</code> statement with your column names.</p> <p><strong>Example using the above on columns in a table:</strong></p> <pre><code>SELECT CONVERT(DATETIME,LEFT([DATECOLUMNNAME],8) + SPACE(1) + STUFF(STUFF(STUFF(RIGHT([DATECOLUMNNAME],6), 1, 0,REPLICATE('0',0)),3,0,':'),6,0,':')) AS [Date], SUBSTRING([NUMBERCOLUMNNAME],2,LEN([NUMBERCOLUMNNAME])) AS [Number] FROM [TABLENAME] </code></pre> <p>Replace [DATECOLUMNNAME] with the name of the column that holds your datetime value. Replace the [NUMBERCOLUMNNAME] with the name of the column that holds your number with the #.</p> <p>Then finally replace [TABLENAME] with your table name that contains those columns.</p>
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    1. POConverting data for whole table SQL
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    1. COSorry, but i don't understand how can I use this solution on all rows in table.
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    2. COSee above edits. Are you wanting to just perform a select or update the data in the table? You cannot update the table with the converted datetime value as your column is a varchar type and not datetime.
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