A Self Join Relates a Record of a Table to _____

question 43

Multiple Choice

A self join relates a record of a table to _____.

• A) another record in the same table
• B) an identical record in another table
• C) a matching record in another database
• D) a record with one or more blank field values

Know the various devices that can provide discrete inputs to a PLC.

Recognize the importance of memory types in PLC operation and the distinction between volatile and non-volatile memory.

Understand the factors contributing to the Spanish conquest of the Aztec empire.

Recognize the significance of written traditions in Postclassic Mesoamerican societies.