# Query Engine API: Populating
Relations and components have a unified API for populating them.
To populate all the root level relations, use populate: true
:
strapi.db.query('api::article.article').findMany({
populate: true,
});
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Select which data to populate by passing an array of attribute names:
strapi.db.query('api::article.article').findMany({
populate: ['componentA', 'relationA'],
});
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An object can be passed for more advanced usage:
strapi.db.query('api::article.article').findMany({
populate: {
componentB: true,
dynamiczoneA: true,
relation: someLogic || true,
},
});
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Complex populating can also be achieved by applying where
filters and select or populate nested relations:
strapi.db.query('api::article.article').findMany({
populate: {
relationA: {
where: {
name: {
$contains: 'Strapi',
},
},
},
repeatableComponent: {
select: ['someAttributeName'],
orderBy: ['someAttributeName'],
populate: {
componentRelationA: true,
},
},
dynamiczoneA: true,
},
});
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