Delete a table
Delete a table from a dataset.
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Code sample
C#
Before trying this sample, follow theC# setup instructions in theBigQuery quickstart using client libraries. For more information, see theBigQueryC# API reference documentation.
To authenticate to BigQuery, set up Application Default Credentials. For more information, seeSet up authentication for client libraries.
usingGoogle.Cloud.BigQuery.V2;usingSystem;publicclassBigQueryDeleteTable{publicvoidDeleteTable(stringprojectId="your-project-id",stringdatasetId="your_dataset_id",stringtableId="your_table_id"){BigQueryClientclient=BigQueryClient.Create(projectId);client.DeleteTable(datasetId,tableId);Console.WriteLine($"Table {tableId} deleted.");}}Go
Before trying this sample, follow theGo setup instructions in theBigQuery quickstart using client libraries. For more information, see theBigQueryGo API reference documentation.
To authenticate to BigQuery, set up Application Default Credentials. For more information, seeSet up authentication for client libraries.
import("context""fmt""cloud.google.com/go/bigquery")// deleteTable demonstrates deletion of a BigQuery table.funcdeleteTable(projectID,datasetID,tableIDstring)error{// projectID := "my-project-id"// datasetID := "mydataset"// tableID := "mytable"ctx:=context.Background()client,err:=bigquery.NewClient(ctx,projectID)iferr!=nil{returnfmt.Errorf("bigquery.NewClient: %w",err)}deferclient.Close()table:=client.Dataset(datasetID).Table(tableID)iferr:=table.Delete(ctx);err!=nil{returnerr}returnnil}Java
Before trying this sample, follow theJava setup instructions in theBigQuery quickstart using client libraries. For more information, see theBigQueryJava API reference documentation.
To authenticate to BigQuery, set up Application Default Credentials. For more information, seeSet up authentication for client libraries.
importcom.google.cloud.bigquery.BigQuery;importcom.google.cloud.bigquery.BigQueryException;importcom.google.cloud.bigquery.BigQueryOptions;importcom.google.cloud.bigquery.TableId;publicclassDeleteTable{publicstaticvoidmain(String[]args){// TODO(developer): Replace these variables before running the sample.StringdatasetName="MY_DATASET_NAME";StringtableName="MY_TABLE_NAME";deleteTable(datasetName,tableName);}publicstaticvoiddeleteTable(StringdatasetName,StringtableName){try{// Initialize client that will be used to send requests. This client only needs to be created// once, and can be reused for multiple requests.BigQuerybigquery=BigQueryOptions.getDefaultInstance().getService();booleansuccess=bigquery.delete(TableId.of(datasetName,tableName));if(success){System.out.println("Table deleted successfully");}else{System.out.println("Table was not found");}}catch(BigQueryExceptione){System.out.println("Table was not deleted. \n"+e.toString());}}}Node.js
Before trying this sample, follow theNode.js setup instructions in theBigQuery quickstart using client libraries. For more information, see theBigQueryNode.js API reference documentation.
To authenticate to BigQuery, set up Application Default Credentials. For more information, seeSet up authentication for client libraries.
// Import the Google Cloud client libraryconst{BigQuery}=require('@google-cloud/bigquery');constbigquery=newBigQuery();asyncfunctiondeleteTable(){// Deletes "my_table" from "my_dataset"./** * TODO(developer): Uncomment the following lines before running the sample. */// const datasetId = "my_dataset";// const tableId = "my_table";// Delete the tableawaitbigquery.dataset(datasetId).table(tableId).delete();console.log(`Table${tableId} deleted.`);}PHP
Before trying this sample, follow thePHP setup instructions in theBigQuery quickstart using client libraries. For more information, see theBigQueryPHP API reference documentation.
To authenticate to BigQuery, set up Application Default Credentials. For more information, seeSet up authentication for client libraries.
use Google\Cloud\BigQuery\BigQueryClient;/** * Deletes the given table * * @param string $projectId The project Id of your Google Cloud Project. * @param string $datasetId The BigQuery dataset ID. * @param string $tableId The BigQuery table ID. */function delete_table(string $projectId, string $datasetId, string $tableId): void{ $bigQuery = new BigQueryClient([ 'projectId' => $projectId, ]); $dataset = $bigQuery->dataset($datasetId); $table = $dataset->table($tableId); $table->delete(); printf('Deleted table %s.%s' . PHP_EOL, $datasetId, $tableId);}Python
Before trying this sample, follow thePython setup instructions in theBigQuery quickstart using client libraries. For more information, see theBigQueryPython API reference documentation.
To authenticate to BigQuery, set up Application Default Credentials. For more information, seeSet up authentication for client libraries.
fromgoogle.cloudimportbigquery# Construct a BigQuery client object.client=bigquery.Client()# TODO(developer): Set table_id to the ID of the table to fetch.# table_id = 'your-project.your_dataset.your_table'# If the table does not exist, delete_table raises# google.api_core.exceptions.NotFound unless not_found_ok is True.client.delete_table(table_id,not_found_ok=True)# Make an API request.print("Deleted table '{}'.".format(table_id))Ruby
Before trying this sample, follow theRuby setup instructions in theBigQuery quickstart using client libraries. For more information, see theBigQueryRuby API reference documentation.
To authenticate to BigQuery, set up Application Default Credentials. For more information, seeSet up authentication for client libraries.
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