Sql Programming Tutorials, Guides & Best Practices

SELECT * FROM your_table_name
INTO OUTFILE '/path/to/export.csv'
FIELDS TERMINATED BY ','
ENCLOSED BY '"'
LINES TERMINATED BY '\n';

• /path/to/export.csv: The file where the data will be exported.

The MySQL Performance Schema is a powerful tool for monitoring database performance. It provides a wealth of information about the execution of SQL statements, memory usage, and other performance-related data.

Performance Schema is enabled by default in MySQL 5.6 and later. To verify it's enabled, run the following query:

When joining multiple tables, start with the table that filters out the most rows.

Ensure that the columns used in joins have indexes. This can significantly reduce the time taken to execute join operations.