Which relationship matches one record from a table to many records from another table? A. One to many B. Many to many C. Many to one D. One to one
Answer: Option A - One to Many
Explanation: The relationship in which one record present in one table is matched with many records present another table, is called One-to-many relationship. In this case, the attributes (many) in the second table are each linked to only one attribute of the first table.
Which relationship matches one record from a table to many records from another table? A. One...
Which relationship matches one record from a table to many records from another table? A. One to many B. Many to many C. Many to one D. One to one
If there is a one-to-many relationship between two entities, S (on the "one side" of the relationship) and T (on the "many side" of the relationship), and the delete rule between the two relations that represent them in a relational database is restrict, deleting a record in relation T might be allowed might not be allowed will always be allowed a. b. will never be allowed d. a and b e.
5) What queries are often used in conjunction with delete queries to move records from one table to another? (1 point) Append Update Make Record Create table
Question 29 What entity type is used to convert a many-to-many relationship to two one-to-many relationships? repeating entity intersection entity associative entity attributive entity Question 30 A many-to-many relationship can be directly modeled in a relational database such as Microsoft Access. True False Question 31 Which order is correct for the designer to normalize a data structure? I. Remove all repeating groups and identify the primary key. II. Remove any transitive dependencies. III. Remove all partial dependencies and place them...
When you have a one-to-many relationship, which of the following is correct? one-to-many relationships are not allowed, only one-to-one relationships are allowed The primary key on the many side becomes a foreign key on the one side The primary key on the one side becomes a foreign key on the many side All of the above None of the above
Z FLIGHT BOMBER JAEThe relationship be. Two elements in Period 5 are adjacent to one another in the periodic table. The ground-state atom of one element has only s electrons in its valence shell: the other has at least one d electron in an unfilled shell. Identify the elements The element which has only s electrons in its valence shell is Chemical symbol: The element which has at least one d electron in an unfilled shell is: Chemical symbol ot...
Explain how a unary relationship can be described as one-to-one, one-to-many, and many-to-many if there is only one entity type involved in the relationship
which of the following are not enzymes involved in moving phospholipids from one leaflet to another 12. Membrane dynamics Page: 396 Difficulty: 2-。Ans: C Which of the following are not enzymes involved in moving phospholipids from one leaflet to another A) Flippases that move phosphatidylethanolamine and phosphatidylserine B) Floppases that move phospholipids from the cytosolic leaflet to the extracellular leatiet C) Flip-floppases that allow phospholipids to move back and forth between the inner and outer leaflets D) Scramblases that allow...
Which of the following distinguishes endocrine and exocrine glands from one another? A. The biochemistry of their secretions B. The effect their secretions have on the target cells C. The presence or absence of nerve innervation D. The presence or absence of ducts
odbo Questions 13-15 refer to the following table, which shows the short-run production relationship and the output demand relationship for a firm. Labor 13. Output 20 Output Price $10.00 9.00 8.00 7.00 6.00 5.00 The table indicates that: a. the firm sells output in a perfectly competitive market the firm is a monopolist the firm hires labor in a perfectly competitive market d. the firm is a monopsonist 14. How many workers will this firm hire if the wage is...