Answer: D) None of the above
Explanation: The subschema differs from the schema in that one denotes the appearance of data in the Database Base Management System (DBMS) while the subschema which is also referred to as the external schema is that subset of the schema is visible or relevant to the user. Thus, It is the view of the database which is visible to an application program. Virtual tables in a database usually represents an object structures like a table which is the result of running certain database commands or functions such as the create table, view, select and so on. Virtual tables are not stored directly in database files.
Answer:
Historical ties and official cooperation
Explanation:
Argentina took in many Nazi war criminals and members of the Nazi party after World War II in part because of the strong presence of German immigration in the South American country. Argentina had received many Germans in the decades prior to the war which helped the country stay close to Germany.
Argentina was also a neutral country during WWII and therefore had an impartial stance toward the warring parties, at least official. In reality, the Argentine government collaborated secretly with the Germans to help escapees leave Europe safely and reach safe haven in the Americas.
If from the US asia is the continent that makes the most shoes for us
Answer:sand dunes
Explanation:
They are man made barriers, made of sand, to protect the coast from erosion from the incoming waves. They also help to control flooding from storm surge.
