A primary key in a database is a ________
A) group of rows that identifies a unique table or file
B) column or group of columns that identifies a unique row in a table
C) group of fields or columns that represent metadata
D) group of tables or files formed to identify a unique field or row
B
You might also like to view...
See the operations profile on Zara. The secret to Zara’s success is a well-developed supply chain that includes ______.
a. the firm’s hand-picked employees b. the firm’s design and manufacturing center c. the firm’s sources of capital d. providers of high-quality raw materials
An abstract, or executive summary, summarizes the findings section of the formal report but does not mention the recommendation(s)
Indicate whether the statement is true or false
Virtually all large-scale simulations take place on computers, but small simulations can be conducted by hand
Indicate whether the statement is true or false
Stu decides to adopt an SPT sequence for the assignments, which at face value seems like an odd choice. Which assignments will he be submitting late?
A) C, D and F B) B, C and F C) B, E and G D) F, E and G