How to Find the Second Largest Value in a Database Column Using SQL?

Trick to get the second largest value in a column

In database tables, it is very useful to retrieve the second largest value in a specific column. One way is to use SQL queries.

SQL query statement:

To find the second largest value in the column named "col" in the table named "table", use the following query:

<code class="language-sql">SELECT MAX(col)
FROM table
WHERE col < (SELECT MAX(col) FROM table);</code>

Instructions:

• The outer SELECT statement retrieves the maximum value of the "col" column.
• Subquery (SELECT MAX(col) FROM table) Finds the maximum value in the "col" column.
The
• WHERE clause ensures that only rows with values ​​less than the maximum value are selected. This excludes the largest value and returns the second largest value.

Example:

Consider the following form:

id	col
1	5
2	10
3	7
4	10

Running this query will return the second largest value, 7.

<code class="language-sql">SELECT MAX(col)
FROM table
WHERE col < (SELECT MAX(col) FROM table);</code>

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