For a weak entity set to be meaningful, it must be associated with another entity set in combination with some of their attribute values, is called as : (A) Neighbour Set (B) Strong Entity Set (C) Owner entity set (D) Weak Set

1 Answer

Answer :

(C) Owner entity set 

Related questions

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 : 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 : 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 provides the best description of an entity type? (A) A specific concrete object with a defined set of processes (e.g. Jatin with diabetes) (B) A value given to a ... template for a group of things with the same set of characteristics that may exist in the real world

Last Answer : Answer: D

Description : Consider the following Entity-Relationship (E-R) diagram and three possible relationship sets (I, II and III) for this E-R diagram: If different symbols stand for different values (e.g., t1 is definitely not equal to t2 ... diagram ? (A) I only (B) I and II only (C) II only (D) I, II and III

Last Answer : (A) I only

Description : A set of possible data values is called (A) attribute. (B) degree. (C) tuple. (D) domain.

Last Answer : D) domain.

Description : In an ER model, ……………. is described in the database by storing its data. A) Entity B) Attribute C) Relationship D) Notation

Last Answer : A) Entity

Description : In RDBMS, the constraint that no key attribute (column) may be NULL is referred to as: (A) Referential integrity (B) Multi-valued dependency (C) Entity Integrity (D) Functional dependency

Last Answer : (C) Entity Integrity

Description : Which of the following statements is correct? (A) Aggregation is a strong type of association between two classes with full ownership. (B) Aggregation is a strong type of association between two ... ownership. (D) Aggregation is a weak type of association between two classes with full ownership.

Last Answer : (C) Aggregation is a weak type of association between two classes with partial ownership.

Description : Based on the cardinality ratio and participation ............... associated with a relationship type, choose either the Foreign Key Design, the Cross Referencing Design or Mutual Referencing Design. (A) Entity (B) Constraints (C) Rules (D) Keys

Last Answer : (B) Constraints

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 : What is Weak Entity set?

Last Answer : An entity set may not have sufficient attributes to form a primary key, and its primary key compromises of its partial key and primary key of its parent entity, then it is said to be Weak Entity set.

Description : How do Ka values of weak acid and a strong acid compare?

Last Answer : Need answer

Description : ………..defines the structure of a relation which consists of a fixed set of attribute-domain pairs. A) Instance B) Schema c) Program D) Super Key

Last Answer : B) Schema

Description : Linking to another place in the same or another webpage require two A (Anchor) tags, the first with the ................. attribute and the second with the ................ attribute. (A) NAME & LINK (B) LINK & HREF (C) HREF & NAME (D) TARGET & VALUE

Last Answer : (C) HREF & NAME

Description : …………… can be defined as data that has been processed into a form that is meaningful to the recipient and is of real or perceived value in current or prospective decisions. A) Information B) Data collection C) Internal data D) Sample data

Last Answer : A) Information

Description : ………… can be defined as data that has been processed into a form that is meaningful to the recipient and is of real or perceive value in current or prospective decisions. A) System B) Information C) Technology D) Service

Last Answer : B) Information

Description : The Prototyping model of software development is: (1) a reasonable approach when requirements are well-defined. (2) a useful approach when a customer cannot define requirements clearly. (3) the ... projects with large development teams. (4) a risky model that rarely produces a meaningful product.

Last Answer : 1

Description : Explain the various values associated with “scrolling” attribute of FRAME tag. -Technology

Last Answer : The scrolling attribute of FRAME tag can take 3 values:Yes will insert both the scrolls irrespective of the size of the sub-window.Auto will insert the scrolls only when the contents of the sub-window are not visible.No will not insert any scrolls even when all the contents are not visible.

Description : What are the common protocols associated with the network layer? a. Address Resolution Protocol b. Reverse Address Resolution Protocol c. Internet protocol d. Neighbour Discovery Protocol

Last Answer : c. Internet protocol

Description : The number of attributes in relation is called as its ..................... A) Cardinality B) Degree C) Tuples D) Entity

Last Answer : B) Degree

Description : Process is ........................ A) A program in execution B) An instance of a program running on a computer. C) The entity that can be assigned to and executed D) All of the above.

Last Answer : D) All of the above.

Description : A data cannot flow between a store and i) a store ii) a process iii) an external entity A) i and iii B) i and ii C) ii and iii D) ii

Last Answer : A) i and iii

Description : By an external entity we mean a A) Unit outside the system being designed which can be controlled by an analyst. B) Unit outside the system whose behavior is independent of the system being designed C) A unit external to the system being designed D) A unit which is not part of a DFD

Last Answer : C) A unit external to the system being designed

Description : A rectangle in a DFD represents A) a process B) a data store C) an external entity D) an input unit

Last Answer : C) an external entity

Description : A data flow can A) Only emanate from an external entity B) Only terminate in an external entity C) May emanate and terminate in an external entity D) May either emanate or terminate in an external entity but not both

Last Answer : C) May emanate and terminate in an external entity

Description : . ………………… is a special type of integrity constraint that relates two relations & maintains consistency across the relations. A) Entity Integrity Constraints B) Referential Integrity Constraints

Last Answer : B) Referential Integrity

Description : Which if the following is not the type of data integrity. A) Key integrity B) Domain integrity C) Entity integrity D) Referential integrity

Last Answer : A) Key integrity

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 : 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 : Specialization Lattice stands for (A) An entity type can participate as a subclass in only one specialization. (B) An entity type can participate as a subclass in more than one specialization. ... can participate in one specialization. (D) An entity type that can participate in one generalization.

Last Answer : (B) An entity type can participate as a subclass in more than one specialization.

Description : Examples of weak entity?

Last Answer : an entity set may not have sufficient attribute 2 form a primary key is called weak entity set.ex entity set payment has 3 attribute pay-no,pay-date, pay-amount.pay-no is a sequential no generated ... entity set doent have a primary key,so it is a weak entity set. Placid04 bakhra,muzaffarpur,bihar.

Description : Let P(m,n) be the statement m divides n where the Universe of discourse for both the variables is the set of positive integers. Determine the truth values of the following propositions. (a) ∃m ∀n P(m,n) (b) ∀n P(1,n) ( ... -False (C) (a)-False; (b)-False; (c)-False (D) (a)-True; (b)-True; (c)-True

Last Answer : Answer: A

Description : Consider a sequence F00 defined as: Then what shall be the set of values of the sequence F00? (1) (1, 110, 1200) (2) (1, 110, 600, 1200) (3) (1, 2, 55, 110, 600, 1200) (4) (1, 55, 110, 600, 1200)

Last Answer : Answer: 1 Explanation: We have given, F00(0) = 1, F00(1) = 1 F00(2) = (10*F00(1) + 100)/F00(0) = 110 F00(3) = (10*F00(2) + 100)/F00(1) = 1200 F00(4) = (10*F00(3) + ... (2) = 110 Since the values repeats after the first three values, the set of values of F00 will be (1,110,1200).

Description : Recording of capital contributed by the owner as liability ensures the adherence of principle of– (A) Consistency (B) Going concern (C) Separate entity (D) Materiality

Last Answer : Answer: Separate entity

Description : Business enterprise is separate from its owner according to _____ concept. a) Money measurement concept b) Matching concept c) Entity concept d) Dual aspect concept

Last Answer : c) Entity concept

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 : 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 : 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 : The Relation Vendor Order (V_no, V_ord_no, V_name, Qty_sup, unit_price) is in 2NF because : (A) Non key attribute V_name is dependent on V_no which is part of composite key (B) ... Qty_sup is dependent on primary_key unit price (D) key attribute V_ord_no is dependent on primary_key unit price

Last Answer : (A) Non key attribute V_name is dependent on V_no which is part of composite key

Description : Find the false statement: (A) The relationship construct known as the weak relationship type was defined by Dey, Storey & Barron (1999). (B) A weak relationship occurs when two ... Ternary, Quaternary and Quintary relationships are shown through a series of application scenario's and vignette's

Last Answer : (C) Conceptual model is not accurate representation of "Universe of interest".

Description : The Octal number to be given alogn with chmod command to make a file readable, writable and executable to the owner, readable and executable to group and others is: A. 000 B. 755 C. 744 D. 555 E. None of the above

Last Answer : B. 755

Description : A pushdown automation M = (Q, Σ, Γ, δ, q0, z, F) is set to be deterministic subject to which of the following condition(s), for every q ∈ Q, a ∈ Σ ∪ {λ} and b ∈ Γ (s1) δ(q, a, b) contains at most one ... ) must be empty for every c ∈ Σ (A) only s1 (B) only s2 (C) both s1 and s2 (D) neither s1 nor s2

Last Answer : (C) both s1 and s2

Description : In java, string is a ............. A) primitive data type B) abstract data type C) combination of boolean D) None of the above

Last Answer : B) abstract data type