Forms offer a front-end to database users to enter data into a table, or multiple tables, and may contain buttons to switch between records, add new records, or search for records.  True  False   Which of the following answers most closely represents a constraint on a table?   A. A list of values that are preferred but not required for a row   B. A rule for a particular row that limits the values that can exist within it   C. A rule for a particular column that limits the values that can exist within it   D. A list of values that are preferred but not required for a column

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A: The full form of XSD is an extended schema description.  The XSD extension file format file is used…

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SQL Query

Structured Query Language is the full form of SQL. It is one of the standard languages to deal with the relational database. It is used to insert, update, delete, and search the records stored in a RDBMS. The relational databases are created and managed by using SQL.