Questions

Elvis Presley

A primary key is a special relational database table column or combination of columns designated to uniquely identify all table records. That is, A primary key is a column or set of columns in a table that uniquely identifies tuples (rows) in that table.

A primary key, also called a Primary Keyword.

Main Features Primary key are ::

It must contain a unique value for each row of data.

It cannot contain null values.

Configuration Management is a support for software in managing the different items in the product, and changes in them.

The system unit of a personal computer typically contains microprocessor, disk controller and serial interface but it does not contain modem.

Ctrl+Shift+F Opens the Font dialog box with the focus at the Font combo box.

Logistics management is the part of supply chain management that plans, implements, and controls the efficient, effective, forward, and reverse flow and storage of goods, services, and related information between the point of origin and the point of consumption in order to meet customer's requirements.

All statements except ‘A’ are based about the same theme which is The Fight for Ocean Health while sentence A talks about The Next Phase of Climate Action.

Production costs to an economist reflect opportunity costs.