{"id":1340,"date":"2018-01-18T21:12:30","date_gmt":"2018-01-19T04:12:30","guid":{"rendered":"https:\/\/sqltutorial.org\/?page_id=1340"},"modified":"2025-02-08T05:08:20","modified_gmt":"2025-02-08T12:08:20","slug":"sql-all","status":"publish","type":"page","link":"https:\/\/www.sqltutorial.org\/sql-all\/","title":{"rendered":"SQL ALL Operator"},"content":{"rendered":"\n<p><strong>Summary<\/strong>: in this tutorial, you will learn how to use the SQL <code>ALL<\/code> operator to compare a value with all values returned by a subquery.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id='introduction-to-the-sql-all-operator'>Introduction to the SQL ALL operator <a href=\"#introduction-to-the-sql-all-operator\" class=\"anchor\" id=\"introduction-to-the-sql-all-operator\" title=\"Anchor for Introduction to the SQL ALL operator\">#<\/a><\/h2>\n\n\n\n<p>The <code>ALL<\/code> operator is used with a <a href=\"https:\/\/www.sqltutorial.org\/sql-comparison-operators\/\">comparison operator<\/a> such as <code>&gt;<\/code>, <code>&gt;=<\/code>, <code>&lt;<\/code>, <code>&lt;=<\/code>, <code>&lt;&gt;<\/code>, <code>=<\/code> to compare a value with all values returned by a <a href=\"https:\/\/www.sqltutorial.org\/sql-subquery\/\">subquery<\/a>.<\/p>\n\n\n\n<p>Here&#8217;s the basic syntax of the <code>ALL<\/code> operator:<\/p>\n\n\n<pre class=\"wp-block-code\"><span><code class=\"hljs\">value ALL comparison_operator (subquery)<\/code><\/span><\/pre>\n\n\n<p>The condition is <code>true<\/code> when:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>The subquery returns no row.<\/li>\n\n\n\n<li>Or the comparison of the value with all the values returned by the subquery are <code>true<\/code>.<\/li>\n<\/ul>\n\n\n\n<p>The following shows the syntax when using the <code>ALL<\/code> operator in a <code>WHERE<\/code> clause of a <code>SELECT<\/code> statement:<\/p>\n\n\n<pre class=\"wp-block-code\" aria-describedby=\"shcb-language-1\" data-shcb-language-name=\"SQL (Structured Query Language)\" data-shcb-language-slug=\"sql\"><span><code class=\"hljs language-sql\"><span class=\"hljs-keyword\">SELECT<\/span>\n  column1,\n  column2\n<span class=\"hljs-keyword\">FROM<\/span>\n  table_name\n<span class=\"hljs-keyword\">WHERE<\/span>\n  column_name comparison_operator <span class=\"hljs-keyword\">ALL<\/span> (subquery);<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-1\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">SQL (Structured Query Language)<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">sql<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre>\n\n\n<p class=\"note\">Note that you can use <code>ALL<\/code> operator in the <code>WHERE<\/code> clause of other statements, such as <code><a href=\"https:\/\/www.sqltutorial.org\/sql-delete\/\">DELETE<\/a><\/code> and <code><a href=\"https:\/\/www.sqltutorial.org\/sql-update\/\">UPDATE<\/a><\/code>.<\/p>\n\n\n\n<p>The <code>ALL<\/code> operator ensures that the condition in the <a href=\"https:\/\/www.sqltutorial.org\/sql-where\/\">WHERE<\/a> clause must be true for all values returned by the subquery.<\/p>\n\n\n\n<p>Here are the main characteristics of the <code>ALL<\/code> operator:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>The subquery must return a result set with one column containing a list of values for comparison.<\/li>\n\n\n\n<li>The <code>ALL<\/code> operator compares every value in the <code>column_name<\/code> with all values returned by a subquery.<\/li>\n\n\n\n<li>If the subquery returns no row, the result is always <code>true<\/code>.<\/li>\n\n\n\n<li>If the subquery returns at least one row, the following table shows the meaning of the <code>ALL<\/code> operator for each comparison operator:<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>Condition<\/th><th>Meaning<\/th><\/tr><\/thead><tbody><tr><td>&nbsp;c &gt; ALL(subquery)<\/td><td>The condition is <code>true<\/code> when the values in the column <code>c<\/code> are greater than the biggest value returned by the subquery.<\/td><\/tr><tr><td>&nbsp;c &gt;= ALL(subquery)<\/td><td>The condition is <code>true<\/code> when the values in the column <code>c<\/code> are greater than or equal to the biggest value returned by the subquery.<\/td><\/tr><tr><td>&nbsp;c &lt; ALL(subquery)<\/td><td>The condition is <code>true<\/code> when the values in the column <code>c<\/code> are less than the lowest value returned by the subquery.<\/td><\/tr><tr><td>&nbsp;c &lt;= ALL(subquery)<\/td><td>The condition is <code>true<\/code> when the values in the column <code>c<\/code> are less than or equal to the lowest value returned by the subquery.<\/td><\/tr><tr><td>&nbsp;c &lt;&gt; ALL(subquery)<\/td><td>The condition is <code>true<\/code> when the values in the column <code>c<\/code> are not equal to the values returned by the subquery.<\/td><\/tr><tr><td>&nbsp;c = ALL(subquery)<\/td><td>The condition is <code>true<\/code> when the values in the column <code>c<\/code> are equal to all the values returned by the subquery. You may rarely use the <code>ALL<\/code> operator with the <code>=<\/code> operator because if the subquery returns different values, then the condition always <code>false<\/code>.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id='sql-all-operator-examples'>SQL ALL operator examples <a href=\"#sql-all-operator-examples\" class=\"anchor\" id=\"sql-all-operator-examples\" title=\"Anchor for SQL ALL operator examples\">#<\/a><\/h2>\n\n\n\n<p>We&#8217;ll use the&nbsp;<code>employees<\/code> table from the <a href=\"https:\/\/www.sqltutorial.org\/sql-sample-database\/\">sample database<\/a>:<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"169\" height=\"273\" src=\"https:\/\/www.sqltutorial.org\/wp-content\/uploads\/2016\/03\/employees.png\" alt=\"SQL ALL Operator - Employees Table\" class=\"wp-image-237\" title=\"SQL ALL - Sample Table\"\/><\/figure>\n\n\n\n<p>The following query returns the <a href=\"https:\/\/www.sqltutorial.org\/sql-aggregate-functions\/sql-min\/\">minimum<\/a> and <a href=\"https:\/\/www.sqltutorial.org\/sql-aggregate-functions\/sql-max\/\">maximum<\/a> salaries of the employees in the department with id 3:<\/p>\n\n\n<pre class=\"wp-block-code\"><span><code class=\"hljs\">SELECT\n  MIN(salary) min_salary,\n  MAX(salary) max_salary\nFROM\n  employees\nWHERE\n  department_id = 3;<\/code><\/span><\/pre>\n\n\n<p><a href=\"https:\/\/www.sqltutorial.org\/playground\/?q=U0VMRUNUIG1pbihzYWxhcnkpIG1pbl9zYWxhcnksIG1heChzYWxhcnkpIG1heF9zYWxhcnkgRlJPTSBlbXBsb3llZXMgV0hFUkUgZGVwYXJ0bWVudF9pZCA9IDM7\" target=\"_blank\" rel=\"noreferrer noopener\">Try it<\/a><\/p>\n\n\n\n<p>Output:<\/p>\n\n\n<pre class=\"wp-block-code\"><span><code class=\"hljs\"> min_salary | max_salary\n------------+------------\n    2500.00 |   11000.00<\/code><\/span><\/pre>\n\n\n<h3 class=\"wp-block-heading\" id='sql-all-operator-with-the-greater-than-operator'>SQL ALL operator with the greater than operator <a href=\"#sql-all-operator-with-the-greater-than-operator\" class=\"anchor\" id=\"sql-all-operator-with-the-greater-than-operator\" title=\"Anchor for SQL ALL operator with the greater than operator\">#<\/a><\/h3>\n\n\n\n<p>The following statement uses the <code>ALL<\/code> operator with the greater than (<code>&gt;<\/code>) operator to find employees with salaries higher than the average salaries of employees in the department id 3:<\/p>\n\n\n<pre class=\"wp-block-code\" aria-describedby=\"shcb-language-2\" data-shcb-language-name=\"SQL (Structured Query Language)\" data-shcb-language-slug=\"sql\"><span><code class=\"hljs language-sql\"><span class=\"hljs-keyword\">SELECT<\/span>\n  first_name,\n  last_name,\n  salary\n<span class=\"hljs-keyword\">FROM<\/span>\n  employees\n<span class=\"hljs-keyword\">WHERE<\/span>\n  salary &gt; <span class=\"hljs-keyword\">ALL<\/span> (\n    <span class=\"hljs-keyword\">SELECT<\/span>\n      salary\n    <span class=\"hljs-keyword\">FROM<\/span>\n      employees\n    <span class=\"hljs-keyword\">WHERE<\/span>\n      department_id = <span class=\"hljs-number\">3<\/span>\n  )\n<span class=\"hljs-keyword\">ORDER<\/span> <span class=\"hljs-keyword\">BY<\/span>\n  salary;<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-2\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">SQL (Structured Query Language)<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">sql<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre>\n\n\n<p><a href=\"https:\/\/www.sqltutorial.org\/playground\/?q=U0VMRUNUIGZpcnN0X25hbWUsIGxhc3RfbmFtZSwgc2FsYXJ5IEZST00gZW1wbG95ZWVzIFdIRVJFIHNhbGFyeSA%2BIEFMTCAoIFNFTEVDVCBzYWxhcnkgRlJPTSBlbXBsb3llZXMgV0hFUkUgZGVwYXJ0bWVudF9pZCA9IDMgKSBPUkRFUiBCWSBzYWxhcnk7\" target=\"_blank\" rel=\"noreferrer noopener\">Try it<\/a><\/p>\n\n\n\n<p>The query returns the employees with salaries of <code>12,000<\/code> and more which are greater than the highest salary of all employees in the department 3:<\/p>\n\n\n<pre class=\"wp-block-code\"><span><code class=\"hljs\">first_name | last_name |  salary\n------------+-----------+----------\n Shelley    | Higgins   | 12000.00\n Nancy      | Greenberg | 12000.00\n Michael    | Hartstein | 13000.00\n Karen      | Partners  | 13500.00\n John       | Russell   | 14000.00\n Lex        | De Haan   | 17000.00\n Neena      | Kochhar   | 17000.00\n Steven     | King      | 24000.00<\/code><\/span><\/pre>\n\n\n<h3 class=\"wp-block-heading\" id='sql-all-operator-with-the-greater-than-or-equal-to-operator'>SQL ALL operator with the greater than or equal to operator <a href=\"#sql-all-operator-with-the-greater-than-or-equal-to-operator\" class=\"anchor\" id=\"sql-all-operator-with-the-greater-than-or-equal-to-operator\" title=\"Anchor for SQL ALL operator with the greater than or equal to operator\">#<\/a><\/h3>\n\n\n\n<p>The following query uses the <code>ALL<\/code> operator with the greater than or equal to operator (<code>&gt;=<\/code>) to find employees with salaries higher than or equal to the highest salary of employees in the department 3:<\/p>\n\n\n<pre class=\"wp-block-code\" aria-describedby=\"shcb-language-3\" data-shcb-language-name=\"SQL (Structured Query Language)\" data-shcb-language-slug=\"sql\"><span><code class=\"hljs language-sql\"><span class=\"hljs-keyword\">SELECT<\/span>\n  first_name,\n  last_name,\n  salary\n<span class=\"hljs-keyword\">FROM<\/span>\n  employees\n<span class=\"hljs-keyword\">WHERE<\/span>\n  salary &gt;= <span class=\"hljs-keyword\">ALL<\/span> (\n    <span class=\"hljs-keyword\">SELECT<\/span>\n      salary\n    <span class=\"hljs-keyword\">FROM<\/span>\n      employees\n    <span class=\"hljs-keyword\">WHERE<\/span>\n      department_id = <span class=\"hljs-number\">3<\/span>\n  )\n<span class=\"hljs-keyword\">ORDER<\/span> <span class=\"hljs-keyword\">BY<\/span>\n  salary;<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-3\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">SQL (Structured Query Language)<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">sql<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre>\n\n\n<p><a href=\"https:\/\/www.sqltutorial.org\/playground\/?q=U0VMRUNUIGZpcnN0X25hbWUsIGxhc3RfbmFtZSwgc2FsYXJ5IEZST00gZW1wbG95ZWVzIFdIRVJFIHNhbGFyeSA%2BPSBBTEwgKCBTRUxFQ1Qgc2FsYXJ5IEZST00gZW1wbG95ZWVzIFdIRVJFIGRlcGFydG1lbnRfaWQgPSAzICkgT1JERVIgQlkgc2FsYXJ5Ow%3D%3D\" target=\"_blank\" rel=\"noreferrer noopener\">Try it<\/a><\/p>\n\n\n\n<p>Output:<\/p>\n\n\n<pre class=\"wp-block-code\"><span><code class=\"hljs\"> first_name | last_name |  salary\n------------+-----------+----------\n Den        | Raphaely  | 11000.00\n Shelley    | Higgins   | 12000.00\n Nancy      | Greenberg | 12000.00\n Michael    | Hartstein | 13000.00\n Karen      | Partners  | 13500.00\n John       | Russell   | 14000.00\n Neena      | Kochhar   | 17000.00\n Lex        | De Haan   | 17000.00\n Steven     | King      | 24000.00<\/code><\/span><\/pre>\n\n\n<p>The result set includes the employee with the salary <code>11,000<\/code> and more which is greater than or equal to the highest salary of the department 3 (<code>11,000<\/code>).<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id='sql-all-operator-with-the-less-than-operator'>SQL ALL operator with the less than operator <a href=\"#sql-all-operator-with-the-less-than-operator\" class=\"anchor\" id=\"sql-all-operator-with-the-less-than-operator\" title=\"Anchor for SQL ALL operator with the less than operator\">#<\/a><\/h3>\n\n\n\n<p>The following query uses the <code>ALL<\/code> operator with the <code>&lt;<\/code> operator to find employees with salaries less than the average salary of all departments:<\/p>\n\n\n<pre class=\"wp-block-code\" aria-describedby=\"shcb-language-4\" data-shcb-language-name=\"SQL (Structured Query Language)\" data-shcb-language-slug=\"sql\"><span><code class=\"hljs language-sql\"><span class=\"hljs-keyword\">SELECT<\/span>\n  first_name,\n  last_name,\n  salary\n<span class=\"hljs-keyword\">FROM<\/span>\n  employees\n<span class=\"hljs-keyword\">WHERE<\/span>\n  salary &lt; <span class=\"hljs-keyword\">ALL<\/span> (\n    <span class=\"hljs-keyword\">SELECT<\/span>\n      average_salary\n    <span class=\"hljs-keyword\">FROM<\/span>\n      (\n        <span class=\"hljs-keyword\">SELECT<\/span>\n          <span class=\"hljs-keyword\">AVG<\/span>(salary) average_salary,\n          department_id\n        <span class=\"hljs-keyword\">FROM<\/span>\n          employees\n        <span class=\"hljs-keyword\">GROUP<\/span> <span class=\"hljs-keyword\">BY<\/span>\n          department_id\n      )\n  )\n<span class=\"hljs-keyword\">ORDER<\/span> <span class=\"hljs-keyword\">BY<\/span>\n  salary <span class=\"hljs-keyword\">DESC<\/span>;<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-4\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">SQL (Structured Query Language)<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">sql<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre>\n\n\n<p><a href=\"https:\/\/www.sqltutorial.org\/playground\/?q=U0VMRUNUIGZpcnN0X25hbWUsIGxhc3RfbmFtZSwgc2FsYXJ5IEZST00gZW1wbG95ZWVzIFdIRVJFIHNhbGFyeSA8IEFMTCAoIFNFTEVDVCBhdmVyYWdlX3NhbGFyeSBGUk9NICggU0VMRUNUIEFWRyhzYWxhcnkpIGF2ZXJhZ2Vfc2FsYXJ5LCBkZXBhcnRtZW50X2lkIEZST00gZW1wbG95ZWVzIEdST1VQIEJZIGRlcGFydG1lbnRfaWQgKSApIE9SREVSIEJZIHNhbGFyeSBERVNDOw%3D%3D\" target=\"_blank\" rel=\"noreferrer noopener\">Try it<\/a><\/p>\n\n\n\n<p>Output:<\/p>\n\n\n<pre class=\"wp-block-code\"><span><code class=\"hljs\"> first_name |  last_name  | salary\n------------+-------------+---------\n Sarah      | Bell        | 4000.00\n Britney    | Everett     | 3900.00\n Alexander  | Khoo        | 3100.00\n Shelli     | Baida       | 2900.00\n Sigal      | Tobias      | 2800.00\n Irene      | Mikkilineni | 2700.00\n Guy        | Himuro      | 2600.00\n Karen      | Colmenares  | 2500.00<\/code><\/span><\/pre>\n\n\n<p>How the query works.<\/p>\n\n\n\n<p>First, the subquery returns a list of the average salaries of all departments:<\/p>\n\n\n<pre class=\"wp-block-code\"><span><code class=\"hljs\">SELECT\n  average_salary\nFROM\n  (\n    SELECT\n      AVG(salary) average_salary,\n      department_id\n    FROM\n      employees\n    GROUP BY\n      department_id\n  )<\/code><\/span><\/pre>\n\n\n<p>Second, the outer query returns employees with salaries less than all the average salaries returned by the subquery.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id='sql-all-operator-with-the-less-than-or-equal-to-operator'>SQL ALL operator with the less than or equal to operator <a href=\"#sql-all-operator-with-the-less-than-or-equal-to-operator\" class=\"anchor\" id=\"sql-all-operator-with-the-less-than-or-equal-to-operator\" title=\"Anchor for SQL ALL operator with the less than or equal to operator\">#<\/a><\/h3>\n\n\n\n<p>The following statement uses the <code>ALL<\/code> operator with the less than or equal to the operator (<code>&lt;=<\/code>) to find employees with salaries are less than or equal to the highest salaries of all departments:<\/p>\n\n\n<pre class=\"wp-block-code\" aria-describedby=\"shcb-language-5\" data-shcb-language-name=\"SQL (Structured Query Language)\" data-shcb-language-slug=\"sql\"><span><code class=\"hljs language-sql\"><span class=\"hljs-keyword\">SELECT<\/span>\n  first_name,\n  last_name,\n  salary\n<span class=\"hljs-keyword\">FROM<\/span>\n  employees\n<span class=\"hljs-keyword\">WHERE<\/span>\n  salary &lt;= <span class=\"hljs-keyword\">ALL<\/span> (\n    <span class=\"hljs-keyword\">SELECT<\/span>\n      max_salary\n    <span class=\"hljs-keyword\">FROM<\/span>\n      (\n        <span class=\"hljs-keyword\">SELECT<\/span>\n          <span class=\"hljs-keyword\">MAX<\/span>(salary) max_salary,\n          department_id\n        <span class=\"hljs-keyword\">FROM<\/span>\n          employees\n        <span class=\"hljs-keyword\">GROUP<\/span> <span class=\"hljs-keyword\">BY<\/span>\n          department_id\n      )\n  )\n<span class=\"hljs-keyword\">ORDER<\/span> <span class=\"hljs-keyword\">BY<\/span>\n  salary <span class=\"hljs-keyword\">DESC<\/span>;<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-5\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">SQL (Structured Query Language)<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">sql<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre>\n\n\n<p><a href=\"https:\/\/www.sqltutorial.org\/playground\/?q=U0VMRUNUIGZpcnN0X25hbWUsIGxhc3RfbmFtZSwgc2FsYXJ5IEZST00gZW1wbG95ZWVzIFdIRVJFIHNhbGFyeSA8PSBBTEwgKCBTRUxFQ1QgbWF4X3NhbGFyeSBGUk9NICggU0VMRUNUIE1BWChzYWxhcnkpIG1heF9zYWxhcnksIGRlcGFydG1lbnRfaWQgRlJPTSBlbXBsb3llZXMgR1JPVVAgQlkgZGVwYXJ0bWVudF9pZCApICkgT1JERVIgQlkgc2FsYXJ5IERFU0M7\" target=\"_blank\" rel=\"noreferrer noopener\">Try it<\/a><\/p>\n\n\n\n<p>Output:<\/p>\n\n\n<pre class=\"wp-block-code\"><span><code class=\"hljs\"> first_name |  last_name  | salary\n------------+-------------+---------\n Jennifer   | Whalen      | 4400.00\n Diana      | Lorentz     | 4200.00\n Sarah      | Bell        | 4000.00\n Britney    | Everett     | 3900.00\n Alexander  | Khoo        | 3100.00\n Shelli     | Baida       | 2900.00\n Sigal      | Tobias      | 2800.00\n Irene      | Mikkilineni | 2700.00\n Guy        | Himuro      | 2600.00\n Karen      | Colmenares  | 2500.00<\/code><\/span><\/pre>\n\n\n<h3 class=\"wp-block-heading\" id='sql-all-operator-with-the-not-equal-to-operator'>SQL ALL operator with the not equal to operator <a href=\"#sql-all-operator-with-the-not-equal-to-operator\" class=\"anchor\" id=\"sql-all-operator-with-the-not-equal-to-operator\" title=\"Anchor for SQL ALL operator with the not equal to operator\">#<\/a><\/h3>\n\n\n\n<p>The following query uses the <code>ALL<\/code> operator the operator (<code>&lt;&gt;<\/code>) to find employees with salaries not equal to the lowest salaries of every department:<\/p>\n\n\n<pre class=\"wp-block-code\" aria-describedby=\"shcb-language-6\" data-shcb-language-name=\"SQL (Structured Query Language)\" data-shcb-language-slug=\"sql\"><span><code class=\"hljs language-sql\"><span class=\"hljs-keyword\">SELECT<\/span>\n  first_name,\n  last_name,\n  salary\n<span class=\"hljs-keyword\">FROM<\/span>\n  employees\n<span class=\"hljs-keyword\">WHERE<\/span>\n  salary &lt;&gt; <span class=\"hljs-keyword\">ALL<\/span> (\n    <span class=\"hljs-keyword\">SELECT<\/span>\n      min_salary\n    <span class=\"hljs-keyword\">FROM<\/span>\n      (\n        <span class=\"hljs-keyword\">SELECT<\/span>\n          <span class=\"hljs-keyword\">MIN<\/span>(salary) min_salary,\n          department_id\n        <span class=\"hljs-keyword\">FROM<\/span>\n          employees\n        <span class=\"hljs-keyword\">GROUP<\/span> <span class=\"hljs-keyword\">BY<\/span>\n          department_id\n      )\n  )\n<span class=\"hljs-keyword\">ORDER<\/span> <span class=\"hljs-keyword\">BY<\/span>\n  salary <span class=\"hljs-keyword\">DESC<\/span>;<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-6\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">SQL (Structured Query Language)<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">sql<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre>\n\n\n<p><a href=\"https:\/\/www.sqltutorial.org\/playground\/?q=U0VMRUNUIGZpcnN0X25hbWUsIGxhc3RfbmFtZSwgc2FsYXJ5IEZST00gZW1wbG95ZWVzIFdIRVJFIHNhbGFyeSA8PiBBTEwgKCBTRUxFQ1QgbWluX3NhbGFyeSBGUk9NICggU0VMRUNUIE1JTihzYWxhcnkpIG1pbl9zYWxhcnksIGRlcGFydG1lbnRfaWQgRlJPTSBlbXBsb3llZXMgR1JPVVAgQlkgZGVwYXJ0bWVudF9pZCApICkgT1JERVIgQlkgc2FsYXJ5IERFU0M7\" target=\"_blank\" rel=\"noreferrer noopener\">Try it<\/a><\/p>\n\n\n\n<p>Output:<\/p>\n\n\n<pre class=\"wp-block-code\"><span><code class=\"hljs\"> first_name  | last_name  |  salary\n-------------+------------+----------\n Steven      | King       | 24000.00\n John        | Russell    | 14000.00\n Karen       | Partners   | 13500.00\n Michael     | Hartstein  | 13000.00\n Shelley     | Higgins    | 12000.00\n Nancy       | Greenberg  | 12000.00\n...<\/code><\/span><\/pre>\n\n\n<h2 class=\"wp-block-heading\" id='summary'>Summary <a href=\"#summary\" class=\"anchor\" id=\"summary\" title=\"Anchor for Summary\">#<\/a><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Use the <code>ALL<\/code> operator with a comparison operator to compare a value with all values returned by a subquery.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id='quiz'>Quiz <a href=\"#quiz\" class=\"anchor\" id=\"quiz\" title=\"Anchor for Quiz\">#<\/a><\/h2>\n\n\n\n<iframe loading=\"lazy\"\n  name=\"quiz\"\n  src=\"\/quiz\/?quiz=all\"\n  height=\"700\"\n  width=\"600\"\n  class=\"iframe\"\n><\/iframe>\n\n\n\n<h2 class=\"wp-block-heading\" id='databases'>Databases <a href=\"#databases\" class=\"anchor\" id=\"databases\" title=\"Anchor for Databases\">#<\/a><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/www.pgtutorial.com\/postgresql-tutorial\/postgresql-all\/\" target=\"_blank\" rel=\"noreferrer noopener\">PostgreSQL ALL Operator<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/www.oracletutorial.com\/oracle-basics\/oracle-all\/\" target=\"_blank\" rel=\"noreferrer noopener\">Oracle ALL Operator<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/www.sqlservertutorial.net\/sql-server-basics\/sql-server-all\/\" target=\"_blank\" rel=\"noreferrer noopener\">SQL Server ALL Operator<\/a><\/li>\n<\/ul>\n<div class=\"helpful-block-content\" data-title=\"\">\n\t<header>\n\t\t<div class=\"wth-question\">Was this tutorial helpful ?<\/div>\n\t\t<div class=\"wth-thumbs\">\n\t\t\t<button\n\t\t\t\tdata-post=\"1340\"\n\t\t\t\tdata-post-url=\"https:\/\/www.sqltutorial.org\/sql-all\/\"\n\t\t\t\tdata-post-title=\"SQL ALL Operator\"\n\t\t\t\tdata-response=\"1\"\n\t\t\t\tclass=\"wth-btn-rounded wth-yes-btn\"\n\t\t\t>\n\t\t\t\t<svg\n\t\t\t\t\txmlns=\"http:\/\/www.w3.org\/2000\/svg\"\n\t\t\t\t\tviewBox=\"0 0 24 24\"\n\t\t\t\t\tfill=\"none\"\n\t\t\t\t\tstroke=\"currentColor\"\n\t\t\t\t\tstroke-width=\"2\"\n\t\t\t\t\tstroke-linecap=\"round\"\n\t\t\t\t\tstroke-linejoin=\"round\"\n\t\t\t\t\tclass=\"feather feather-thumbs-up block w-full h-full\"\n\t\t\t\t>\n\t\t\t\t\t<path\n\t\t\t\t\t\td=\"M14 9V5a3 3 0 0 0-3-3l-4 9v11h11.28a2 2 0 0 0 2-1.7l1.38-9a2 2 0 0 0-2-2.3zM7 22H4a2 2 0 0 1-2-2v-7a2 2 0 0 1 2-2h3\"\n\t\t\t\t\t><\/path>\n\t\t\t\t<\/svg>\n\t\t\t\t<span class=\"sr-only\"> Yes <\/span>\n\t\t\t<\/button>\n\n\t\t\t<button\n\t\t\t\tdata-response=\"0\"\n\t\t\t\tdata-post=\"1340\"\n\t\t\t\tdata-post-url=\"https:\/\/www.sqltutorial.org\/sql-all\/\"\n\t\t\t\tdata-post-title=\"SQL ALL Operator\"\n\t\t\t\tclass=\"wth-btn-rounded wth-no-btn\"\n\t\t\t>\n\t\t\t\t<svg\n\t\t\t\t\txmlns=\"http:\/\/www.w3.org\/2000\/svg\"\n\t\t\t\t\tviewBox=\"0 0 24 24\"\n\t\t\t\t\tfill=\"none\"\n\t\t\t\t\tstroke=\"currentColor\"\n\t\t\t\t\tstroke-width=\"2\"\n\t\t\t\t\tstroke-linecap=\"round\"\n\t\t\t\t\tstroke-linejoin=\"round\"\n\t\t\t\t>\n\t\t\t\t\t<path\n\t\t\t\t\t\td=\"M10 15v4a3 3 0 0 0 3 3l4-9V2H5.72a2 2 0 0 0-2 1.7l-1.38 9a2 2 0 0 0 2 2.3zm7-13h2.67A2.31 2.31 0 0 1 22 4v7a2.31 2.31 0 0 1-2.33 2H17\"\n\t\t\t\t\t><\/path>\n\t\t\t\t<\/svg>\n\t\t\t\t<span class=\"sr-only\"> No <\/span>\n\t\t\t<\/button>\n\t\t<\/div>\n\t<\/header>\n\n\t<div 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