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How do I change the data type for a column in MySQL?
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http://dev.mysql.com/doc/refman/5.1/en/alter-table.html
ALTER TABLE tablename MODIFY columnname INTEGER;
This will change the datatype of given column
Depending on how many columns you wish to modify it might be best to generate a script, or use some kind of mysql clie...
How do you truncate all tables in a database using TSQL?
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For SQL 2005,
EXEC sp_MSForEachTable 'TRUNCATE TABLE ?'
Couple more links for 2000 and 2005/2008..
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How can I get the corresponding table header (th) from a table cell (td)?
Given the following table, how would I get the corresponding table header for each td element?
7 Answers
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How to position a table at the center of div horizontally & vertically
... of the biggest issues in CSS. However, some tricks exist:
To center your table horizontally, you can set left and right margin to auto:
<style>
#test {
width:100%;
height:100%;
}
table {
margin: 0 auto; /* or margin: 0 auto 0 auto */
}
</style>
To center it verti...
MySQL Delete all rows from table and reset ID to zero
I need to delete all rows from a table but when I add a new row, I want the primary key ID, which has an auto increment, to start again from 0 respectively from 1.
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Create an index on a huge MySQL production table without table locking
I need to create an index on a ~5M rows MySQL table. It is a production table, and I fear a complete block of everything if I run a CREATE INDEX statement...
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In MySQL, how to copy the content of one table to another table within the same database?
I am new to MySQL. I would like to copy the content of one table to another table within the same database. Basically, I would like to insert to a table from another table. Is there easy way of doing this?
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SQL Server SELECT into existing table
I am trying to select some fields from one table and insert them into an existing table from a stored procedure. Here is what I am trying:
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How to perform a real time search and filter on a HTML table
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I created these examples.
Simple indexOf search
var $rows = $('#table tr');
$('#search').keyup(function() {
var val = $.trim($(this).val()).replace(/ +/g, ' ').toLowerCase();
$rows.show().filter(function() {
var text = $(this).text().replace(/\s+/g, ' ').toLowerCase();
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MySQL > Table doesn't exist. But it does (or it should)
...ved correctly except for one.
I can connect and USE the database. SHOW TABLES also returns me all the tables correctly, and the files of each table exists on the MySQL data directory.
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