What is extended properties in SQL Server?

What is extended properties in SQL Server?

Extended properties are a useful feature in SQL Server which can be used for documentation and content purposes. The properties can be updated for tables, views, triggers and so on. Developers can use this feature for extensive database objects which can be used for reference for many SQL Server objects.

Which of the following is a property extension of SQL for Microsoft SQL Server?

Which of the following is a proprietary extension of SQL for Microsoft SQL Server? Explanation: Transact-SQL (T-SQL) is Microsoft’s and Sybase’s proprietary extension to SQL.

What is Sql_variant?

sql_variant enables these database objects to support values of other data types. A column of type sql_variant may contain rows of different data types. For example, a column defined as sql_variant can store int, binary, and char values. sql_variant can have a maximum length of 8016 bytes.

What is extension at Microsoft server database?

SQL Server stores data using two file extensions: MDF files are the data files that hold the data and objects such as tables, indexes, stored procedures and views. LDF files are the transaction log files that record all transactions and the database modifications made by each transaction.

How are extended properties defined in SQL Server?

Extended properties can be defined for objects at any of these levels. References to an object in one level must be qualified with the names of the higher level objects that own or contain them.

Where is the extended protection variable in SQL Server?

The Extended Protection variable lets users configure the Extended Protection level for each SQL Server instance. Extended Protection is on the Protocols for MSSQLSERVER Properties (Advanced Tab) in SQL Server Configuration Manager. When set to Off, Extended Protection is disabled.

When to add an extended property to a table?

For example, when you add an extended property to a table column (level 2), you must also specify the table name (level 1) that contains the column and the schema (level 0) that contains the table. If all object types and names are null, the property belongs to the current database itself.

Can you add a property to a table in SQL Server?

To maintain backward compatibility, SQL Server will apply the property to the table that is contained in the schema named Mary. Members of the db_owner and db_ddladmin fixed database roles can add extended properties to any object with the following exception: db_ddladmin cannot add properties to the database itself, or to users or roles.