Table is a SQL Server object that is used to store related data or information. In table data is logically organized in rows and column format.

The main functionality of cursor is to retrieve data one row at a time. Means cursor provide a functionality of looping in SQL Server.

Both delete and truncate is used to remove rows from SQL Table. But in both delete and truncate having significant differences.

A composite key is a combination of two or more columns in a table that is used to uniquely identify each record in table. When the columns are combined uniqueness but when it taken individually it doesn't guarantee uniqueness.

SQL Server WHERE Clause is used to filter or extract records that fulfill a specified condition from SQL Table.

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