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13 Ιουν 2011 · You could try executing the query from the your local cli and redirect the output to a local file destination; mysql -user -pass -e"select cols from table where cols not null" > /tmp/output
INTO form of SELECT enables a query result to be stored in variables or written to a file: SELECT ... INTO var_list selects column values and stores them into variables.
However, it is also possible to put your SQL statements in a file and then tell mysql to read its input from that file. To do so, create a text file text_file that contains the statements you wish to execute.
In this tutorial, you will learn various ways to execute an SQL file in MySQL using the mysql command-interface and source command.
15 Ιαν 2019 · In MySQL, the LOAD_FILE() function reads a file and returns its contents as a string. Syntax. The syntax goes like this: LOAD_FILE(file_name) Where file_name is the full path to the file. Example. Here’s an example where I select the contents from a file: SELECT LOAD_FILE('/data/test.txt') AS Result; Result:
As of MySQL 3.23.9, you can read a file of SQL statements from within a mysql session by using a SOURCE filename command (or \. filename, which is synonymous). Suppose the SQL script file test.sql contains the following statements: SELECT NOW( ); SELECT COUNT(*) FROM limbs; You can execute that file from within mysql as follows:
INTO form of SELECT enables the query result to be written to a file or stored in variables. For more information, see Section 15.2.13.1, “SELECT ... INTO Statement” .
