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How to load a flat file in a MySQL database?

(JAVA free example written by Anton Zamov.)


How to load a flat file in a MySQL database?

The default format of a file to load into a MySQL table is as follows: the fields must be separated by tabs, the input lines terminated by 'n', and backslashes(), newlines (n), and tabs (t) escaped by a backslash. The MySQL documentation explains how to change these defaults.
This example loads a flat file called infile.txt to a MySQL table named mysql_2_table with an INT and a VARCHAR(20) column.

try {
// Create the statement
Statement stmt = connection.createStatement();

// Load the data
String filename = "c:tempinfile.txt";
String tablename = "mysql_2_table";
stmt.executeUpdate("LOAD DATA INFILE "" + filename + "" INTO TABLE " + tablename);

// If the file is comma-separated, use this statement
stmt.executeUpdate("LOAD DATA INFILE "" + filename + "" INTO TABLE "
+ tablename + " FIELDS TERMINATED BY ','");

// If the file is terminated by rn, use this statement
stmt.executeUpdate("LOAD DATA INFILE "" + filename + "" INTO TABLE "
+ tablename + " LINES TERMINATED BY 'rn'");
} catch (SQLException e) {
}



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