Examlex
The DBMS ranked as being the "most difficult to use" in the text is Oracle Corporation's Oracle Database.
Parent Table
A table in a database that has one or more related child tables through a foreign key relationship, establishing a hierarchy.
Child Table
A table in a database that has a foreign key linking to the primary key of another table, known as the parent table.
Table Structure
The organization of data in rows and columns in a relational database or spreadsheet.
Append Query
A type of database query that adds the results of a query to an existing table without modifying the original data.
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