One basic concept to understand about SQL Server is that of catalog views, which are effectively database tables (catalogs in this case) that display system-wide information about the SQL Server Database Engine. All catalog views are accessed via a SELECT SQL statement FROM a specific catalog within the sys. namespace. For example, the following statement can be used to view information about all database tables in the system via the sys.tables catalog: SELECT * FROM sys.tables.
Mental disorders were one of the five most costly conditions in the United States in 2006, with expenditures at $57.5 billion. Over 8.9 million persons have co-occurring disorders â that is, they have both a mental and substance use disorder.
1 Anxiety disorders are the most common mental illness in the U.S. , affecting 40 million adults in the United States age 18 and older, or 18% of the population. ( 2 Source: National Institute of Mental Health). Anxiety disorders are the most common mental illness in the U.S. , affecting 40 million adults in the United States age 18 and older, or 18% of the population. ( 2 Source: National Institute of Mental Health).