Author: Blogofant

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Aruba buses

The bus system in Aruba is well developed and largely corresponds to European and American standards. The buses leave the main terminal on time and go to the respective terminus. Depending on the traffic...

Fluessigluft Batterie 1

Liquid air batteries as control energy

Solar energy from solar power – so far so good. But at night? Darkness – no electricity. For this reason, there are only two options: storing energy, for example in batteries (keyword balancing energy)...

Corona Virus Bakterien 1

Protection against bacteria and viruses

A lot is already known about viruses: They love cool temperatures and high humidity. Many germs also need a nutrient medium to survive. This also depends on the surface structure of the germs and...

Schreibschutz von Tabellen 1

Write protection of tables

Write protection can be applied to tables. This prevents DDL (Data Definition Language) and DML (Data Manipulation Language) changes during maintenance mode. The statement: ALTER TABLE tablename READ ONLY; — nur mehr lesbar ALTER...