a. Primary Key: A primary key is a special relational database table column (or combination of columns) designated to uniquely identify all table records. It has two main purposes: to provide a link to data in other tables, and to enforce entity integrity by ensuring that no two rows in a table have the same primary key.

b. Column: In the context of a relational database, a column is a set of data values of a particular simple type, one value for each row of the database. A column may contain text values, numbers, or even pointers to files in the operating system. A column can also be called an attribute.

c. Row: A row in a relational database is a data structure that holds a single record in a table. In a table, a row is a collection of related data values that are displayed in a horizontal raster. Each row in a table has its own unique key. Rows are also called tuples.

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a. Primary Key: A primary key is a special relational database table column (or combination of columns) designated to uniquely identify all table records. It has two main purposes: to provide a link to data in other tables, and to enforce entity integrity by ensuring that no two rows in a table have the same primary key.

b. Column: In the context of a relational database, a column is a set of data values of a particular simple type, one value for each row of the database. A column may contain text values, numbers, or even pointers to files in the operating system. A column can also be called an attribute.

c. Row: A row in a relational database is a data structure that holds a single record in a table. In a table, a row is a collection of related data values that are displayed in a horizontal raster. Each row in a table has its own unique key. Rows are also called tuples.

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a. Primary Key: A primary key is a special relational database table column (or combination of columns) designated to uniquely identify all table records. It has two main purposes: to provide a link to data in other tables, and to enforce entity integrity by ensuring that no two rows in a table have the same primary key.

b. Column: In the context of a relational database, a column is a set of data values of a particular simple type, one value for each row of the database. A column may contain text values, numbers, or even pointers to files in the operating system. A column can also be called an attribute.

c. Row: A row in a relational database is a data structure that holds a single record in a table. In a table, a row is a collection of related data values that are displayed in a horizontal raster. Each row in a table has its own unique key. Rows are also called tuples.

Explain the following terms as used in database implementation. [3 Marks]a. Primary keyb. Columnc. Row

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