# Query Engine API: Bulk Operations

✋ CAUTION

To avoid performance issues, bulk operations are not allowed on relations.

# createMany()

Creates multiple entries.

Syntax: createMany(parameters) => { count: number }

# Parameters

Parameter Type Description
data Array of objects Array of input data

# Example

await strapi.db.query('api::blog.article').createMany({
  data: [
    {
      title: 'ABCD',
    },
    {
      title: 'EFGH',
    },
  ],
});

// { count: 2 }

# updateMany()

Updates multiple entries matching the parameters.

Syntax: updateMany(parameters) => { count: number }

# Parameters

Parameter Type Description
where WhereParameter Filters to use
data Object Input data

# Example

await strapi.db.query('api::shop.article').updateMany({
  where: {
    price: 20,
  },
  data: {
    price: 18,
  },
});

// { count: 42 }

# deleteMany()

Deletes multiple entries matching the parameters.

Syntax: deleteMany(parameters) => { count: number }

# Parameters

Parameter Type Description
where WhereParameter Filters to use

# Example

await strapi.db.query('api::blog.article').deleteMany({
  where: {
    title: {
      $startsWith: 'v3',
    },
  },
});

// { count: 42 }

# Aggregations

# count()

Counts entries matching the parameters.

Syntax: count(parameters) => number

# Parameters

Parameter Type Description
where WhereParameter Filters to use
const count = await strapi.db.query('api::blog.article').count({
  where: {
    title: {
      $startsWith: 'v3',
    },
  },
});

// 12