In the case above, The asterisk helps database or tell it to select all data that meets the criteria as stated in the query.
<h3>What does asterisk (*) mean in SQL?</h3>
The term means all columns. Note that The asterisk or star symbol ( * ) is a term that implies all columns in a given database.
Therefore, In the case above, The asterisk helps database or tell it to select all data that meets the criteria as stated in the query.
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Answer:
Augmented Reality
Explanation:
Augmented reality is a camera to overlay images on real-world scenery. Basically what the Pokemon GO app does.
1. A [disk cleanup] utility searches for and removes unnecessary files.
2. [Back-up] - allows users to copy selected files or an entire hard disk to another storage medium.
3. [Firefox] is a web browser- a platform, which is used to browse the information via the internet.
Answer:
1940 – 1956: First Generation
1956 – 1963: Second Generation
1964 – 1971: Third Generation
1972 – 2010: Fourth Generation
2010- : (Present )Fifth Generation
Explanation:
- First Generation Computers (1940-1956):In this Generation the main component of computers were Vacuum Tubes.
- Second Generation Computers (1956-1963):In this generation the main component of computers were Transistors.
- Third Generation Computers (1964-1971):In this generation the main component of computers were Integrated Circuits.
- Fourth Generation Computers (1972-2010):In this generation the main component of computers were Microprocessor
- Fifth Generation (2010-Present):In this generation the main component of computers is Artificial Intelligence
