Legislative Bills. Legislation begins with the submission of a bill to the legislature for consideration. A bill is a draft, or tentative version, of what might become part of the written law.
SQL Server 2005: using symmetric keys to encrypt data. In SQL Server 2005, the recommended method for encrypting data is to use symmetric keys. A symmetric key can be created using the CREATE SYMMETRIC KEY statement. Information about symmetric keys is stored in the sys.symmetric_keys catalog.
Foreign key can accept multiple null value. By default, Primary key is clustered index and data in the database table is physically organized in the sequence of clustered index. Foreign key do not automatically create an index, clustered or non-clustered.