Computer MCQs

501.You want to create a composite PK using the first and third fields in the table. How is this done? … Read more

451.Which of the following is used with INSERT command to insert values in a DB table? Select correct option: ONTO … Read more

401.A hierarchical data model is : Partially ordered Not ordered Totally ordered Concept of ordering does not appear 402.A form … Read more

301.Which of the following is not true regarding DB transactions ? A set of database operations that are processed partly … Read more

251. DML commands are used for inserting data into databases   creating database destroying databases  creating DB objects .  252.Structural constraints … Read more

201.Suppose there are 8 rows and 4 columns in TABLE1 and 3 rows and 4 columns in TABLE2;what is the … Read more

151.Select the correct statement among the following on proper naming of schema constructs Entity type name applies to all the … Read more

101. User rights information is stored in Physical database Catalog Logical database  Buffer 102.Making a change to the conceptual schema … Read more

51. Making a change to the conceptual schema of a database but not affecting the existing external schemas is an … Read more

MCQsFoundry.com brings to you 1000+ Database Mcqs which are new and latest. These Mcqs are gathered form various free sources … Read more