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Inserting data from sql query into Mysql table using PDO

Posted on 2014-02-12
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Last Modified: 2014-06-17
I'm extracting some data from different tables in an oracle database into an array.
I'm trying to insert the fields into a mysql table using PDO connection.

this is the query I make:
$query = "SELECT field1, field2, field3 FROM table1;

$ORACLE_STATIC = OCIParse($ORACLE_CONNECT, $query);
OCIExecute($ORACLE_STATIC, OCI_DEFAULT);

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what is the correct way of inserting all the rows from the query using PDO?
I have about 20 fields and 500k rows.
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Question by:uilli
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Ray Paseur earned 500 total points
ID: 39853737
Details of how to use PDO with MySQL tables are in this article (see the PDO examples associated with each of the steps).
http://www.experts-exchange.com/Web_Development/Web_Languages-Standards/PHP/PHP_Databases/A_11177-PHP-MySQL-Deprecated-as-of-PHP-5-5-0.html

The best answer here would depend on how often you intend to do this and what the timeliness requirements might be.  If it's a one-time process, there is not much point in optimizing.  Just run the Oracle query and as your script iterates over the results set, run a single MySQL INSERT query.  You may have to restart the process a few times to get 500K rows moved over, depending on the amount of time that your PHP script is allowed to run.
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