This topic presents a brief description of the classes and components included in dotConnect for Google BigQuery. Click the name of each component for more information.

Core ADO.NET Classes

Class	Description
BigQueryConnection	Establishes a connection to Google BigQuery database and manages transactions.
BigQueryCommand	Executes SQL statements in Google BigQuery.
BigQueryDataReader	Provides forward-only, read-only access to query results from Google BigQuery.
BigQueryDataAdapter	Populates a DataSet and applies changes to Google BigQuery.
BigQueryTransaction	Represents a multi-statement transaction. Google BigQuery runs it within a session and supports the Snapshot isolation level only.
BigQueryParameter	Represents an input parameter of a BigQueryCommand.
BigQueryException	Represents an error encountered at Google BigQuery database. For an error encountered at the client, dotConnect for Google BigQuery throws a .NET exception.

Complementary ADO.NET Classes

Class	Description
BigQueryCommandBuilder	Automatically generates commands for a BigQueryDataAdapter and populates the BigQueryParameter collection of a BigQueryCommand object.
BigQueryConnectionStringBuilder	Constructs a connection string by assigning values to appropriate properties.

dotConnect for Google BigQuery Auxiliary Classes

Class	Description
BigQueryLoader	Serves to load data into Google BigQuery tables, using Google Cloud Storage as an intermediate data storage.
BigQueryMonitor	Serves to monitor dynamic SQL execution in applications that use dotConnect for Google BigQuery.