---
schema_version: "1"
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title: Fully Qualified Keys for Query API
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version: current
locale: en-us
portal_url: https://docs.salesforce.com/admin/current/en-us/data/264-0-0/c360_a_query_api_key_qualifiers.md
canonical_url: https://help.salesforce.com/s/articleView?id=data.c360_a_query_api_key_qualifiers.htm&release=264.0.0&type=5
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description: Use Query API to query data in Data 360. Identify key qualifier fields in a data lake object with the Data 360 Metadata API, and include key qualifier fields in all table joins to get accurate results.
products:
  - Data 360
release: "264"
---
# Fully Qualified Keys for Query API

Use Query API to query data in Data 360. Identify key qualifier fields in a data lake object with the Data 360 Metadata API, and include key qualifier fields in all table joins to get accurate results.

Query API supports SQL queries in ANSI standard. Use supported query API versions to set up table joins that include key qualifier fields to query data accurately.

#### See Also

- [_Salesforce Developer_: Query Data Using Query API V1](https://developer.salesforce.com/docs/atlas.en-us.c360a_api.meta/c360a_api/c360a_api_query_call_overview.htm)
- [_Salesforce Developer_: Query Data Using Query API V2](https://developer.salesforce.com/docs/atlas.en-us.c360a_api.meta/c360a_api/c360a_api_query_v2_call_overview.htm)