title Object Catalog Views (Transact-SQL) | Microsoft Docs ms.custom ms.date 03/03/2017 ms.prod sql ms.prod_service database-engine ms.reviewer ms.technology system-objects ms.topic language-reference dev_langs TSQL helpviewer_keywords object catalog views [SQL Server] catalog views [SQL Server], objects ms.assetid e8670a6b-e15c-4126-8d2d-c9cfb968a12d author stevestein ms.author sstein manager craigg Object Catalog Views (Transact-SQL) [!INCLUDEtsql-appliesto-ss2008-xxxx-xxxx-xxx-md] This section contains the following catalog views. sys.allocation_units sys.objects sys.assembly_modules sys.parameters sys.check_constraints sys.partitions sys.columns sys.periods sys.computed_columns sys.procedures sys.default_constraints sys.sequences sys.events sys.service_queues sys.event_notifications sys.sql_dependencies sys.extended_procedures sys.sql_expression_dependencies sys.foreign_key_columns sys.sql_modules sys.foreign_keys sys.stats sys.function_order_columns sys.stats_columns sys.hash_indexes sys.synonyms sys.identity_columns sys.table_types sys.index_columns sys.tables sys.trigger_event_types sys.key_constraints sys.trigger_events sys.masked_columns sys.triggers sys.memory_optimized_tables_internal_attributes sys.views sys.numbered_procedure_parameters sys.numbered_procedures See Also System Catalog Views System Views (Transact-SQL)