Examlex
To assign a value to a variable use the = operator.
CO₂
Carbon dioxide (CO₂) is a colorless gas composed of one carbon and two oxygen atoms, widely known for its role in the Earth's atmosphere and as a greenhouse gas.
Ecological Structure
The arrangement and interaction of living organisms and their environment, including different species and their roles within an ecosystem.
UV Light
Ultraviolet light, a form of electromagnetic radiation that is not visible to the human eye, known for its disinfectant properties and impact on human health.
Ozone Depletion
The reduction of the ozone layer in the Earth's stratosphere caused by the release of chemical compounds containing gaseous chlorine or bromine from industry and other human activities.
Q11: What is the default value for SYSTEM.MESSAGE_LEVEL?<br>A)0<br>B)5<br>C)10<br>D)15
Q58: What keyword is added to the select
Q59: A student can take many different classes
Q62: What is the purpose of the message
Q79: A (n)_ block is a data block
Q81: A view derives its data from database
Q83: The VARCHAR2 variable data type is exactly
Q91: What is the data type of a
Q98: Flex mode is enabled by default.
Q99: Why is an address a bad choice