Description : A .................. normal form normalization will be needed where all attributes in a relation tuple are not functionally dependent only on the key attribute. A) First B) Second C) Third D) Fourth
Last Answer : C) Third
Description : In a relational schema, each tuple is divided into fields called A) Relations B) Domains C) Queries D) All of the above
Last Answer : B) Domains
Description : A set of possible data values is called (A) attribute. (B) degree. (C) tuple. (D) domain.
Last Answer : D) domain.
Description : The RDBMS terminology for a row is (A) tuple. (B) relation. (C) attribute. (D) degree.
Last Answer : (A) tuple
Description : A relational database developer refers to a record as (A) a criteria. (B) a relation. (C) a tuple. (D) an attribute.
Last Answer : C) a tuple
Description : Is the following piece of code valid? >>> a=(1,2,3,4) >>> del a a) No because tuple is immutable b) Yes, first element in the tuple is deleted c) Yes, the entire tuple is deleted
Last Answer : c) Yes, the entire tuple is deleted
Description : What is the output of the following code? >>> a=(1,2,3,4) >>> del(a[2]) a) Now, a=(1,2,4) b) Now, a=(1,3,4) c) Now a=(3,4) d) Error as tuple is immutable
Last Answer : d) Error as tuple is immutable
Description : If a=(1,2,3,4), a[1:-1] is a) Error, tuple slicing doesn’t exist b) [2,3]. c) (2,3,4) d) (2,3)
Last Answer : d) (2,3)
Description : What is the data type of (1)? a) Tuple b) Integer c) List d) Both tuple and integer
Last Answer : b) Integer
Description : In a relational database model, NULL values can be used for all but which one of the following? (A) To allow duplicate tuples in the table by filling the primary key column(s) with NULL. (B) To ... D) To fill a column in a tuple when that column does not really exist for that particular tuple.
Last Answer : (A) To allow duplicate tuples in the table by filling the primary key column(s) with NULL.
Description : Consider the following statements regarding relational database model: (a) NULL values can be used to opt a tuple out of enforcement of a foreign key. (b) Suppose that table T has only one candidate key. If Q is in 3NF, then it is ... true. (C) (b) and (c) are true. (D) (a), (b) and (c) are true.
Last Answer : (D) (a), (b) and (c) are true.
Description : Python : How to add a new item to the tuple -Web-Development
Last Answer : answer:
Description : Covert the output of Zip() from tuple to list in Python -Web-Development
Description : Which of the following is a Python tuple? a) [1, 2, 3] b) (1, 2, 3) c) {1, 2, 3} d) {}
Last Answer : Answer: b Explanation: Tuples are represented with round brackets.
Description : Suppose d = { john :40, peter :45}, what happens when we try to retrieve a value using the expression d[ susan ]? a) Since susan is not a value in the set, Python raises a KeyError ... Python raises a KeyError exception d) Since susan is not a key in the set, Python raises a syntax error
Last Answer : c) Since “susan” is not a key in the set, Python raises a KeyError exception
Description : What is the output of the following piece of code when executed in Python shell? >>> a=("Check")*3 >>> a a) (‘Check’,’Check’,’Check’) b) * Operator not valid for tuples c) (‘CheckCheckCheck’) d) Syntax erro
Last Answer : c) (‘CheckCheckCheck’)
Description : How do you pronounce 'tuple' ?
Last Answer : Never heard of it. A real word?
Description : How to fix - TypeError: 'tuple' object does not support item assignment -Web-Development
Description : not tuple -Web-Development
Description : In a relational database, this is a data structure that organizes the information about a single topic into rows and columns. 1) Block 2) Record 3) Tuple 4) Table 5) Command line interface
Last Answer : Answer :4
Description : A relational database management (RDBM) package manages datain morethan one file at once. How does itorganizethese file? As A. tables B. relations C. tuple D. both (a)and (b) E. None of the above
Last Answer : both (a)and (b)
Description : A tuple is 1) - 1) Column of a Table 2) Two dimensional Table 3) Row of a Table 4) key of a Table
Last Answer : 3) Row of a Table
Description : How does Tuple-oriented relational calculus differ from domain-oriented relational calculus?
Last Answer : The tuple-oriented calculus uses a tuple variables i.e., variable whose only permitted values are tuples of that relation. E.g. QUEL The domain-oriented calculus has domain variables i.e., variables that range over the underlying domains instead of over relation. E.g. ILL, DEDUCE.
Description : Define the term tuple and domain.
Last Answer : tuple: A row is called a Tuple. domain:A domain is a set of all possible (or permissible) values in an attribute. OR A Domain is defined as a kind of data represented by an attribute.