XML Data in SQL Server

What is the XML data type in SQL Server?

• HTML

• CSV

• JSON

• XML

How can you store XML data in SQL Server?

• Using the BLOB data type

• Using the XML data type

• Using the TEXT data type

• Using the JSON data type

What are the advantages of using the XML data type in SQL Server?

• No support for data integrity validation

• Limited storage capacity

• Support for storing and querying unstructured data

• Support for storing and querying semi-structured data, hierarchical data, and data integrity validation using XML schema.

What is the syntax for querying XML data in SQL Server?

• SELECT column_name.value('XQuery expression', 'datatype') FROM table_name

• SELECT * FROM table_name

• SELECT column_name.extract('XQuery expression', 'datatype') FROM table_name

• SELECT column_name.query('XQuery expression') FROM table_name

How can you extract values from XML data in SQL Server?

• Use the parseXML function

• Use the extract() method

• Use the OPENXML function or the nodes() method

• Use the CLOSEXML function

What is the purpose of the FOR XML clause in SQL Server?

• To return the results of a SQL query as JSON data

• To return the results of a SQL query as XML data.

• To convert XML data to CSV format

• To create a new database table

What are the different methods for modifying XML data in SQL Server?

• Using the select() method, using the join() method, and using the groupBy() method

• Using the delete() method, using the insert() method, and using the update() method

• Using the create() method, using the drop() method, and using the alter() method

• Using the modify() method, using the nodes() method, and using the value() method

How can you validate XML data in SQL Server?

• By using the ISVALID XML function

• By using the XML Validator

• By using the IS XML and XML Schema Collection.

• By using the XML Parser

What is the XML schema collection in SQL Server?

• A set of predefined XML documents

• A database object that contains XML schemas for validation of XML data.

• A collection of SQL queries for XML data

• A group of XML files for data storage

What are the limitations of using XML data type in SQL Server?

• Unlimited indexing and querying support

• Performance issues, limited indexing and querying support, increased storage requirements

• No limitations at all

• Decreased storage requirements