Introduction to Database System The DBMS that is most difficult to use is ________ . Oracle Corporation's Oracle Microsoft's SQL Server Microsoft's Access IBM's DB2 Oracle Corporation's Oracle Microsoft's SQL Server Microsoft's Access IBM's DB2 ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following products was the first to implement true relational algebra in a PC DBMS? IDMS R:base Oracle dBase-II IDMS R:base Oracle dBase-II ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which type of entity cannot exist in the database unless another type of entity also exists in the database, but does not require that the identifier of that other entity be included as part of its own identifier? ID- independent entity Strong entity ID-dependent entity Weak entity ID- independent entity Strong entity ID-dependent entity Weak entity ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A relation is in Boyce-Codd Normal Form (BCNF) if every determinant is a composite key. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which type of entity has its relationship to another entity determined by an attribute in that other entity called a discriminator? Archetype entity Instance entity Supertype entity Subtype entity Archetype entity Instance entity Supertype entity Subtype entity ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Data items grouped together for storage purposes are called a record string None of these list title record string None of these list title ANSWER DOWNLOAD EXAMIANS APP
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