Use of Arrays in SQL WHERE Clauses

Zvonimir852

I have a table with three columns. One is an array of integers and I want to query the table using the values in the array. Is this possible?

benjamin_lo

Yes, we can use an array in the where clause of SQL. However, there are some restrictions on how we can use them. We can't use them to filter on multiple columns or to filter on ranges of values.

For example, let's say we have an array of integers and we want to find all of the rows in our table that have a value in that array. We could do something like this:

SELECT * FROM table WHERE value IN (1,2,3,4,5);

However, if we want to filter on multiple columns, we need to use a different approach. We can't do something like this:

SELECT * FROM table WHERE (col1, col2) IN ((1,2), (3,4), (5,6));

Instead, we need to use a combination of the IN operator and the OR operator. For example:

SELECT * FROM table WHERE col1 IN (1,3,5) OR col2 IN (2,4,6);

Nitesh454

Yes, you can use an array of values in the WHERE clause of an SQL statement. The simplest way to do this is to use the IN operator:

WHERE column_name IN (value1, value2, ...)

For example, if you have a table of products with a column for the product ID, you could use the IN operator in a WHERE clause to get all products with an ID of 1, 2, or 3:

SELECT *
FROM products
WHERE product_id IN (1, 2, 3);

If you want to get all products with an ID that is not 1, 2, or 3, you can use the NOT IN operator:

SELECT *
FROM products
WHERE product_id NOT IN (1, 2, 3);