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In a MySQL JOIN, what is the difference between ON and USING()? As far as I can tell, USING() is just more convenient syntax, whereas ON allows a little more flexibility when the column names are not identical.
MySQL provides two options for specifying join conditions: the ON clause and the USING clause. In this blog post, we’ll dive into the differences between these two clauses and explore when to use each one effectively.
17 paź 2024 · We can also join with the USING clause, which can be more concise, while providing the same or similar results. And there’s also the concept of a natural join, which is more concise again. Let’s take a look at these three join options and compare them side by side.
18 wrz 1996 · MySQL Joining Tables. A JOIN clause is used to combine rows from two or more tables, based on a related column between them. Let's look at a selection from the "Orders" table:
17 sty 2012 · I recently wrote a post about inner and outer joins, and a couple of people asked what the difference is between USING and ON. In a nutshell, you use ON for most things, but USING is a handy shorthand for the situation where the column names are the same. Consider this example dataset: mysql> select * from pets;
30 lip 2019 · MySQL ON vs USING - In general, we use ON in MySQL. In Joins, we use ON in a set of columns. USING is useful when both the tables share a column of the exact same name on which they join.
3 maj 2012 · The USING clause is used if several columns share the same name but you don’t want to join using all of these common columns. The columns listed in the USING clause can’t have any qualifiers in the statement, including the WHERE clause: The ON clause.
