Delete a connection
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Remove credentials to an external source from BigQuery.
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For detailed documentation that includes this code sample, see the following:
Code sample
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[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Hard to understand","hardToUnderstand","thumb-down"],["Incorrect information or sample code","incorrectInformationOrSampleCode","thumb-down"],["Missing the information/samples I need","missingTheInformationSamplesINeed","thumb-down"],["Other","otherDown","thumb-down"]],[],[[["\u003cp\u003eThis code sample demonstrates how to remove credentials to an external source from BigQuery using the Java client library.\u003c/p\u003e\n"],["\u003cp\u003eThe process involves deleting a specified connection using the \u003ccode\u003edeleteConnection\u003c/code\u003e method, which requires the project ID, location, and connection name.\u003c/p\u003e\n"],["\u003cp\u003eThe \u003ccode\u003eConnectionServiceClient\u003c/code\u003e is used to interact with BigQuery Connection service and execute the delete operation.\u003c/p\u003e\n"],["\u003cp\u003eYou can set up Application Default Credentials to authenticate to BigQuery.\u003c/p\u003e\n"],["\u003cp\u003eFurther details can be obtained from the official BigQuery documentation on managing connections, the Java API reference, and a general introduction to using the client libraries.\u003c/p\u003e\n"]]],[],null,["# Delete a connection\n\nRemove credentials to an external source from BigQuery.\n\nExplore further\n---------------\n\n\nFor detailed documentation that includes this code sample, see the following:\n\n- [Manage connections](/bigquery/docs/working-with-connections)\n\nCode sample\n-----------\n\n### Java\n\n\nBefore trying this sample, follow the Java setup instructions in the\n[BigQuery quickstart using\nclient libraries](/bigquery/docs/quickstarts/quickstart-client-libraries).\n\n\nFor more information, see the\n[BigQuery Java API\nreference documentation](/java/docs/reference/google-cloud-bigquery/latest/overview).\n\n\nTo authenticate to BigQuery, set up Application Default Credentials.\nFor more information, see\n\n[Set up authentication for client libraries](/bigquery/docs/authentication#client-libs).\n\n import com.google.cloud.bigquery.connection.v1.https://cloud.google.com/java/docs/reference/google-cloud-bigqueryconnection/latest/com.google.cloud.bigquery.connection.v1.ConnectionName.html;\n import com.google.cloud.bigquery.connection.v1.https://cloud.google.com/java/docs/reference/google-cloud-bigqueryconnection/latest/com.google.cloud.bigquery.connection.v1.DeleteConnectionRequest.html;\n import com.google.cloud.bigqueryconnection.v1.https://cloud.google.com/java/docs/reference/google-cloud-bigqueryconnection/latest/com.google.cloud.bigqueryconnection.v1.ConnectionServiceClient.html;\n import java.io.IOException;\n\n // Sample to delete a connection\n public class DeleteConnection {\n\n public static void main(String[] args) throws IOException {\n // TODO(developer): Replace these variables before running the sample.\n String projectId = \"MY_PROJECT_ID\";\n String location = \"MY_LOCATION\";\n String connectionName = \"MY_CONNECTION_NAME\";\n deleteConnection(projectId, location, connectionName);\n }\n\n static void deleteConnection(String projectId, String location, String connectionName)\n throws IOException {\n try (https://cloud.google.com/java/docs/reference/google-cloud-bigqueryconnection/latest/com.google.cloud.bigqueryconnection.v1.ConnectionServiceClient.html client = https://cloud.google.com/java/docs/reference/google-cloud-bigqueryconnection/latest/com.google.cloud.bigqueryconnection.v1.ConnectionServiceClient.html.create()) {\n https://cloud.google.com/java/docs/reference/google-cloud-bigqueryconnection/latest/com.google.cloud.bigquery.connection.v1.ConnectionName.html name = https://cloud.google.com/java/docs/reference/google-cloud-bigqueryconnection/latest/com.google.cloud.bigquery.connection.v1.ConnectionName.html.of(projectId, location, connectionName);\n https://cloud.google.com/java/docs/reference/google-cloud-bigqueryconnection/latest/com.google.cloud.bigquery.connection.v1.DeleteConnectionRequest.html request =\n https://cloud.google.com/java/docs/reference/google-cloud-bigqueryconnection/latest/com.google.cloud.bigquery.connection.v1.DeleteConnectionRequest.html.newBuilder().setName(name.https://cloud.google.com/java/docs/reference/google-cloud-bigqueryconnection/latest/com.google.cloud.bigquery.connection.v1.ConnectionName.html#com_google_cloud_bigquery_connection_v1_ConnectionName_toString__()).build();\n client.deleteConnection(request);\n System.out.println(\"Connection deleted successfully\");\n }\n }\n }\n\nWhat's next\n-----------\n\n\nTo search and filter code samples for other Google Cloud products, see the\n[Google Cloud sample browser](/docs/samples?product=bigqueryconnection)."]]
