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INSERT INTO table VALUES vs. INSERT INTO table SET: Which MySQL Syntax Should You Use?

Barbara Streisand
Barbara StreisandOriginal
2025-01-14 09:09:43567browse

INSERT INTO table VALUES vs. INSERT INTO table SET: Which MySQL Syntax Should You Use?

MySQL data insertion: Comparison of INSERT INTO table VALUES and INSERT INTO table SET

MySQL provides two syntaxes for inserting data into tables:

  1. INSERT INTO table VALUES ...: This syntax explicitly specifies the value to be inserted into each column.
  2. INSERT INTO table SET: This is MySQL-specific syntax, which assigns values ​​to columns individually.

Example:

<code class="language-sql">-- INSERT INTO table VALUES ...
INSERT INTO table (a, b, c) VALUES (1, 2, 3);

-- INSERT INTO table SET
INSERT INTO table SET a = 1, b = 2, c = 3;</code>

Equivalence:

Both syntaxes are equivalent in terms of inserting data into tables. The first syntax conforms to the SQL standard, while the second is an extension to MySQL.

Performance:

Performance-wise, there is no significant difference between the two syntaxes. Both are equally efficient and produce the same execution plan.

Usage scenarios:

  • INSERT INTO table VALUES ...: Use this syntax when you need to explicitly specify the value of each column. It is more suitable for inserting a small number of rows.
  • INSERT INTO table SET: Use this syntax when you need to insert multiple rows with different column values. For inserting large amounts of data, it is more convenient and concise.

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