The property (or set of properties) that uniquely defines each row in a table is called the:

Related MCQs

• The property (or set of properties) that uniquely defines each row in a table is called the:
• Consider a hash table of size seven, with starting index zero, and a hash function (3x + 4)mod7. Assuming the hash table is initially empty, which of the following is the contents of the table when the sequence 1, 3, 8, 10 is inserted into the table using closed hashing? Note that ‘_’ denotes an empty location in the table.
• Which of the following is an attribute that can uniquely identify a row in a table?
• The candidate key is that you choose to identify each row uniquely is called ……………..
• Which of the following is a group of one or more attributes that uniquely identifies a row?
• The          lock allows concurrent transactions to access the same row as long as they require the use of different fields within that row.
• The ____ lock allows concurrent transactions to access the same row as long as they require the use of different fields within that row.
• Which join refers to join records from the write table that have no matching key in the left table are include in the result set:
• ___________removes all rows from a table without logging the individual row deletions.
• Which one of the following is a set of one or more attributes taken collectively to uniquely identify a record?