1) what is Data Hierarchy? a) An entity relationship refers ti the association or connection between two or more entities in database b) Organized structure from smallest to largest data unit c) Specifies the kind of data a field can contain and how the field is used d) A reference containing definitions and details about each field in the database 2) What is the function of Data Dictionary? a) Ensures clarity, consistency and control b) Improves Database design c) store a sequence of character d) stora date or time 3) What can you describe about text base on Data Type? a) store any number b) store date or time c) store numbers with decimal points d) stire a sequence of character 4) Whats the definition of Entity Relationship a) refers to the association or connection between two or more entities in a database b) smallest unit of data a computer can understand c) a collection of related files d) a collection of related field 5) What is data files? a) a collection of related records b) a collection of related characters c) a collection of related files d) a collection of related fields 6) what is the correct arrangements of Data Hierarchy? a) files, database, records, fields, bytes and bits b) bits, bytes, fields, records, files and database c) database, files, records, fields, bytes and bits d) fields, files, database, records, bits and bytes 7) what are the five basic concepts of database? a) database, procedures, data, software and hardware b) Data Hierarchy, Data Dictionary, Data type, Entity Relationship and Entity Relationship Model c) Data security, privacy, back up, data consistency and recovery d) Microsoft Access, Oracle RDBMS, IBM DB2, LibreOffice Base and MySQ 8) describe Decimal a) store a sequence of character b) store true or false value c) Store date or time d) Store numbers with decimal points 9) Describe Boolean a) store date or time b) store numbers with decimal points c) store true or false value d) store a sequence of character 10) What is Database in Data Hierarchy? a) smallest unit of data a computer can read b) a collection of related characters c) a collection of related files d) a collection of related records 11) which data type is used to store the value "TRUE or FALSE" a) Date/Time b) Text c) Number d) Boolean

Database 2.2 quiz time

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