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MATCHING
Match the letters in the accompanying figure with a statement below.
Figure 4-2 The SAP ERP production planning process
-What is E?
Self Join
A join in SQL where a table is joined to itself to compare rows within the same table.
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.
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