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 the ........... normal form, a composite attribute is converted to individual attributes. A) First B) Second C) Third D) Fourth
Last Answer : A) First
Description : In ............. generation of operating system, operating system designers develop the concept of multiprogramming in which several jobs are in main memory at once. A) First B) Second C) Third D) Fourth
Description : In a relational model, relations are termed as (A) Tuples. (B) Attributes (C) Tables. (D) Rows.
Last Answer : (C) Tables
Description : In the relational modes, cardinality is termed as: (A) Number of tuples. (B) Number of attributes. (C) Number of tables. (D) Number of constraints
Last Answer : (A) Number of tuples
Description : Let E1 and E2 be two entities in E-R diagram with simple single valued attributes. R1 and R2 are two relationships between E1 and E2 where R1 is one-many and R2 is many-many. R1 and R2 do not have any ... are required to represent this situation in the Relational Model? (A) 4 (B) 3 (C) 2 (D) 1
Last Answer : (B) 3
Description : Let M and N be two entities in an E-R diagram with simple single vale attributes. R1 and R2 are two relationship between M and N, whereas R1 is one-to-many and R2 is many-to-many. The minimum number of tables required to ... and R2 in the relational model are .......... (1) 4 (2) 6 (3) 7 (4) 3
Last Answer : Answer: 4
Description : For a database relation R(A,B,C,D) where the domains of A,B,C and D include only atomic values, only the following functional dependencies and those that can be inferred from them are: A→C B→D The ... form but not in third normal form (4) Both in second normal form as well as in third normal form
Last Answer : First normal form but not in second normal form
Description : It is a 5 letter word if you take away first letter it is something you get from sun, if you remove second letter you will get something to eat, if you remove third letter you get a word you use in pointing at and if you remove the fourth letter you get something to drink. What is it? -Riddles
Last Answer : Wheat.
Description : Select the ‘False’ statement from the following statements about Normal Forms: (A) Lossless preserving decomposition into 3NF is always possible (B) Lossless preserving decomposition into BCNF is always possible (C) Any relation with two attributes is in BCNF (D) BCNF is stronger than 3NF
Last Answer : (B) Lossless preserving decomposition into BCNF is always possible
Description : If an attribute of a composite key is dependent on an attribute of the other composite key, a normalization called ................ is needed. A) DKNF B) BCNF C) Fourth D) Third
Last Answer : B) BCNF
Description : Which is the main function of transport layer? A) Node to node delivery B) End to end delivery C) Synchronization d) Updating and maintaining routing tables
Last Answer : B) End to end delivery
Description : 4NF stands for .. A) Fourth Normal File B) Fourth Normal Form C) Fourth Normal Fraction D) Fourth Negative File
Last Answer : B) Fourth Normal Form
Description : The first version of HTML was _______that includes elements like Bold, Italics etc but it did not support tables or align attributes: a) HTML 2.0 b) HTML 0.1 c) HTML 1.0 d) None of These
Last Answer : a) HTML 2.0
Description : Find out the wrong one from the following: a) HTML 3 was developed in 1995 b) HTML 3.2 was next official version support for Tables, Images, Heading and other elements that is Align attributes etc. ... is current official standard version. d) None of These e) All of the Above f) None of These
Last Answer : f) None of These
Description : ………………….. operator is basically a join followed by a project on the attributes of first relation. A) Join B) Semi-Join C) Full Join D) Inner Join
Last Answer : B) Semi-Join
Description : Which of the following commands is used to display the directory attributes rather than its contents? A. ls -l -d B. ls -l C. ls -x D. ls -F E. None of the above
Last Answer : A. ls -l -d
Description : Select operator is not a unary operator. ii) Project operator chooses subset of attributes or columns of a relation. A) i-True, ii-False B) i-True, ii-True C) i-False, ii-True D) i-False, ii-False
Last Answer : C) i-False, ii-True
Description : ............. is a combination of two of more attributes used as a primary key A) Composite Key B) Alternate Key C) Candidate Key D) Foreign Key
Last Answer : A) Composite Key
Description : Identify the criteria for designing database from the point of view of user A) No redundancy B) No inapplicable attributes C) Uniformity in naming & definitions of the data items D) All of the above
Last Answer : D) All of the above
Description : In RDBMS, Data is presented as a collection of ............ A) Table B) Attributes C) Relations D) Entities
Last Answer : C) Relations
Description : The number of attributes in relation is called as its ..................... A) Cardinality B) Degree C) Tuples D) Entity
Last Answer : B) Degree
Description : The number of tuples in a relation is called its …………. While the number of attributes in a relation is called it’s ……………….. A) Degree, Cardinality B) Cardinality, Degree C) Rows, Columns
Last Answer : B) Cardinality, Degree
Description : A ………………. Does not have a distinguishing attribute if its own and mostly are dependent entities, which are part of some another entity. A) Weak entity B) Strong entity C) Non attributes entity D) Dependent entity
Last Answer : A) Weak entity
Description : The one guideline to be followed while designing the database is A) A database design may be ambiguous. B) Unrelated data should be in the same table so that updating the data will be easy. C) It should avoid/reduce the redundancy. D) An entity should not have attributes.
Last Answer : C) It should avoid/reduce the redundancy.
Description : _____ produces the relation that has attributes of R1 and R2 (A) Cartesian product (B) Difference (C) Intersection (D) Product
Last Answer : A) Cartesian product
Description : An ER Model includes I. An ER diagram portraying entity types. II. Attributes for each entity type III. Relationships among entity types. IV. Semantic integrity constraints that reflects the business rules about data not ... ; IV (B) I&IV (C) I, II & IV (D) I & III
Last Answer : (A) I, II, III & IV
Description : Which one of the following set of attributes should not be encompassed by effective software metrics ? (A) Simple and computable (B) Consistent and objective (C) Consistent in the use of units and dimensions (D) Programming language dependent
Last Answer : (D) Programming language dependent
Description : What kind of mechanism is to be taken into account for converting a weak entity set into strong entity set in entity-relationship diagram ? (A) Generalization (B) Aggregation (C) Specialization (D) Adding suitable attributes
Last Answer : (D) Adding suitable attributes
Description : Which of the following statements is FALSE about weak entity set ? (A) Weak entities can be deleted automatically when their strong entity is deleted. (B) Weak entity set avoids the data ... weak entity set are not partitioned according to their relationship with tuples in a strong entity set.
Last Answer : (D) Tuples in a weak entity set are not partitioned according to their relationship with tuples in a strong entity set.
Description : Which one of the following non-functional quality attributes is not highly affected by the architecture of the software ? (A) Performance (B) Reliability (C) Usability (D) Portability
Last Answer : (C) Usability
Description : Semi-join strategies are techniques for query processing in distributed database system. Which of the following is a semi-join technique? (A) Only the joining attributes are sent from one site to ... the attributes are sent from one site to another and then only the required rows are returned.
Last Answer : (C) Only the joining attributes are sent from one site to another and then only the required rows are returned.
Description : Consider the following database table having A, B, C and D as its four attributes and four possible candidate keys (I, II, III and IV) for this table: I: {B} II: {B, C} III: {A, D} IV: {C, D} If ... the database table? (A) I and III only (B) III and IV only (C) II only (D) I only
Last Answer : (C) II only
Description : Consider a database table R with attributes A and B. Which of the following SQL queries is illegal ? (A) SELECT A FROM R; (B) SELECT A, COUNT(*) FROM R; (C) SELECT A, COUNT(*) FROM R GROUP BY A; (D) SELECT A, B, COUNT(*) FROM R GROUP BY A, B;
Last Answer : (B) SELECT A, COUNT(*) FROM R;
Description : The different types of tables maintained by the operating system are ............. A) memory, logical , I/O file B) memory, I/O, file, physical C) memory, I/O, file, process D) memory, logical, I/O, physical
Last Answer : C) memory, I/O, file, process
Description : ……………… is a tabular method for describing the logic of the decisions to be taken. A) Decision tables B) Decision tree C) Decision Method D) Decision Data
Last Answer : A) Decision tables
Description : The relational model is based on the concept that data is organized and stored in two-dimensional tables called ………………………A) Fields B) Records C) Relations D) Keys
Description : …………………… is the process of organizing data into related tables. A) Normalization B) Generalization C) Specialization D) None of the above
Last Answer : A
Description : ey to represent relationship between tables is called (A) Primary key (B) Secondary Key (C) Foreign Key (D) None of these
Last Answer : (C) Foreign Key
Description : Consider the following ER diagram: The minimum number of tables required to represent M, N, P, R1, R2 is (A) 2 (B) 3 (C) 4 (D) 5
Last Answer : (A) 2
Description : Distance vector routing algorithm is a dynamic routing algorithm. The routing tables in distance vector routing algorithm are updated ........... (1) automatically (2) by server (3) by exchanging information with neighbour nodes. (4) with back up database
Last Answer : Answer: 3
Description : When the requirements associated with a new-task purchase are changed the second or third time, this is called a: A)modified rebuy purchase B)contractual purchase C)straight rebuy purchase D)negotiated rebuy purchase
Last Answer : A)modified rebuy purchase
Description : The first letter is derived from the 18th letter of greek alphabet, the second one is the rounded form of v, the third one arises from the 2nd letter of greek alphabt, the fourth one is derived ... last letter is believed to be derived from Djet (an egyptian pharoah ) Can you decode it? -Riddles
Last Answer : This answer was deleted by moderators
Description : The form of oath of office for a minister for the union of India is enshrined in the - (1) first schedule (2) second schedule (3) third schedule (4) fourth schedule
Last Answer : (3) third schedule Explanation: The form of oath of office for a minister for the union of India is enshrined in the third schedule of the Constitution. In first schedule List of States & Union ... General of India. Fourth schedule is for allocation of seats for each state of India in Rajya Sabha.
Description : One of the important attributes of Parliamentary form of government is – (1) Fixed tenure for the executive (2) Executive is answerable to the people (3) Executive is separate from the legislature (4) Collective responsibility of Council of Ministers to the Parliament
Last Answer : (4) Collective responsibility of Council of Ministers to the Parliament Explanation: the Parliamentary form of government, the Parliament is supreme, and the governments, comprised of some ... Individual Responsibility of each Minister; Collective responsibility of the Council of Ministers, etc.
Description : A mother gave birth to six kids. The first daughter's name is July. The second daughter's name is August. The third daughter's name is September. The fourth daughter's name is October. The next child was ... turned out that she got a boy. If she didn't name him December, what is his name? -Riddles
Last Answer : Jason. She took the first letter of the names of her children. July, August, September, October, November.
Description : Four middle-aged people were reminiscing about their individual journeys through life. Two of them were college grads, and the other two were business people. The first was heard to say, 'When I happened upon ... well as my wasting my money on $5,000 toupees, raccoon coats, and buying a R -Riddles
Last Answer : The four people had just finished playing the board game, LIFE, and were discussing some of the good and bad things they had encountered while playing.
Description : I share people who you love. My fifth letter is in letter but not in mutt. if you cut off two heads I become what you do to hit some one with a weapon. I can have designes but I might be ... something that is really important not to do. I rhyme with two words in this riddle. What am I? -Riddles
Last Answer : Frame.
Description : Fifty is my first. Nothing is my second. Five just makes my third. My fourth, a vowel, is reckoned. Now to find my name, Fit my parts together. I die if I grow cold, but never fear cold weather. What am I? -Riddles
Last Answer : L O V E.
Description : We are little Verbal creatures. Each of us with different features. The first of us in glass is set. The second you can find in jet. The third is trapped in tin. The fourth is boxed within. Now the ... side. An adopted sibling we also have but, he only appears when pigs fly. What are we? -Riddles
Last Answer : The vowels A, E, I, O, U and sometimes Y.