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LIMIT clause

  • reference
March 23, 2025
+ 12

Purpose

When you don’t need the entire resultset, use the LIMIT clause to specify the maximum number of documents to be returned in a resultset by a SELECT query.

The LIMIT and OFFSET clauses are evaluated after the ORDER BY clause.

A negative value is the same as LIMIT 0.

Starting from version 4.5, the LIMIT clause in INSERT, UPDATE, and DELETE statements is no longer a hint. It indicates that the actual number of mutations will be less than or equal to the specified LIMIT.

Syntax

LIMIT expr
limit clause

Arguments

expr

Integer or an expression that evaluates to an integer representing the number of resulting documents.

Examples

Example 1. Get only 2 documents of hotels with an empty room
SELECT name, address, city, country, url
FROM `travel-sample`.inventory.hotel
WHERE vacancy = true
LIMIT 2;
Result
[
  {
    "address": "Capstone Road, ME7 3JE",
    "city": "Medway",
    "country": "United Kingdom",
    "name": "Medway Youth Hostel",
    "url": "http://www.yha.org.uk"
  },
  {
    "address": "6 rue aux Juifs",
    "city": "Giverny",
    "country": "France",
    "name": "The Robins",
    "url": "http://givernyguesthouse.com/robin.htm"
  }
]
Example 2. Set the limit of Example 1 based on an equation
SELECT name, address, city, country, url
FROM `travel-sample`.inventory.hotel
WHERE vacancy = true
LIMIT (20/10);
Result
[
  {
    "address": "Capstone Road, ME7 3JE",
    "city": "Medway",
    "country": "United Kingdom",
    "name": "Medway Youth Hostel",
    "url": "http://www.yha.org.uk"
  },
  {
    "address": "6 rue aux Juifs",
    "city": "Giverny",
    "country": "France",
    "name": "The Robins",
    "url": "http://givernyguesthouse.com/robin.htm"
  }
]