Earn $100 Online Daily. Work From Home. Click Here

What is the correct answer?


Which of the following aggregate functions does not ignore nulls in its results?.


B. COUNT (*)



Related Questions

E-R Modeling is achieved by using ____ diagrams What will be the number of columns and rows respectively obtained for… In an ER diagram the ___shape specifies the Attibute and a ____ shape… The concept of mapping of ______ entity types is the concept in which… In SQL the statement select * from R, S is equivalent to Which of the following concurrency control schemes is not based on the… The part of a database management system which ensures that the data remains… Relational Algebra does not have The normal form that is not necessarily dependency preserving is The drawback of shadow paging technique are When an E-R diagram is mapped to tables, the representation is redundant… The fact that all employees of a particular organization should not have… ______defines the structure of a relation which consists of a fixed set… In a relational schema, each tuple is divided into fields called A list consists of last names, first names, addresses and pin codes. If… The collection of information stored in a database at a particular moment… The values of the attribute describes a particular operator is used to compare a value to a list of literals values that… ______contains information that defines valid values that are stored in… The metadata is created by the Which of the following is not a property of transactions? The language that requires a user to specify the data to be retrieved… Which of the following is not a consequence of concurrent operations? Whenever two independent one-to-many relationships are mixed in the same… What is a disjoint less constraint? _____ First proposed the process of normalization. If a transaction T has obtained an exclusive lock on item Q, then T can A top-to-bottom relationship among the items in a database is established… _____is a full form of SQL. Wait-for graph is used for