You now have more flexibility in what you name columns, including expanded access to characters in languages other than English as well as additional symbols.įlexible column names support the following characters: Pre-GA products and features are available "as is" and might have limited support. This product or feature is subject to the "Pre-GA Offerings Terms" in the General Service Terms section To learn more about column naming rules, see Column names in the GoogleSQL reference. For example,Ī column named Column1 is considered identical to a column named column1. Column names can't use any ofĭuplicate column names are not allowed even if the case differs. For more flexible column name support, see flexible column names.Ĭolumn names have a maximum length of 300 characters. Underscores (_), and it must start with a letter or underscore. Column namesĪ column name can contain the letters (a-z, A-Z), numbers (0-9), or You can also supply a column's description, mode, and default value. When you specify a table schema, you must supply each column's name and data Method and configure the schema in the table resourceĪfter loading data or creating an empty table, you can You can specify a table's schema in the following ways:Īnd configure the schema property in the load job configuration. When you load Avro, Parquet, ORC, Firestore export files, orĭatastore export files, the schema is automatically retrieved from the Save money with our transparent approach to pricingīigQuery lets you specify a table's schema when you loadĭata into a table, and when you create an empty table. Rapid Assessment & Migration Program (RAMP)
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