Make BQ docs consistent (#36247)

* Make BQ docs consistent

* Big query doc consistency

* cleanup sql

* spotless

* Fix bad edit

Author: damccorm

sdks/java/io/google-cloud-platform/src/main/java/org/apache/beam/sdk/io/gcp/bigquery/BigQueryIO.java

@@ -597,8 +597,8 @@ public class BigQueryIO {
   private static final String TABLE_REGEXP = "[-_\\p{L}\\p{N}\\p{M}$@ ]{1,1024}";
 
   /**
-   * Matches table specifications in the form {@code "[project_id]:[dataset_id].[table_id]"} or
-   * {@code "[dataset_id].[table_id]"}.
+   * Matches table specifications in the form {@code "[project_id]:[dataset_id].[table_id]"}, {@code
+   * "[project_id].[dataset_id].[table_id]"}, or {@code "[dataset_id].[table_id]"}.
    */
   private static final String DATASET_TABLE_REGEXP =
       String.format(
@@ -853,8 +853,9 @@ public Read withTestServices(BigQueryServices testServices) {
     }
 
     /**
-     * Reads a BigQuery table specified as {@code "[project_id]:[dataset_id].[table_id]"} or {@code
-     * "[dataset_id].[table_id]"} for tables within the current project.
+     * Reads a BigQuery table specified as {@code "[project_id]:[dataset_id].[table_id]"}, {@code
+     * "[project_id].[dataset_id].[table_id]"}, or {@code "[dataset_id].[table_id]"} for tables
+     * within the current project.
      */
     public Read from(String tableSpec) {
       return new Read(this.inner.from(tableSpec));

website/www/site/content/en/documentation/io/built-in/google-bigquery.md

@@ -98,8 +98,8 @@ object.
 #### Using a string
 
 To specify a table with a string, use the format
-`[project_id]:[dataset_id].[table_id]` to specify the fully-qualified BigQuery
-table name.
+`[project_id]:[dataset_id].[table_id]` or `[project_id].[dataset_id].[table_id]`
+to specify the fully-qualified BigQuery table name.
 
 {{< highlight java >}}
 {{< code_sample "examples/java/src/main/java/org/apache/beam/examples/snippets/Snippets.java" BigQueryTableSpec >}}