Introduction to Database System In SQL, which command is used to add a column/integrity constraint to a table MODIFY TABLE ADD COLUMN INSERT COLUMN ALTER TABLE MODIFY TABLE ADD COLUMN INSERT COLUMN ALTER TABLE ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In SQL, the CREATE TABLESPACE is used to create a database trigger to add/rename data files, to change storage All of these to create a place in the database for storage of scheme objects, rollback segments, and naming the data files to comprise the tablespace None of these to create a database trigger to add/rename data files, to change storage All of these to create a place in the database for storage of scheme objects, rollback segments, and naming the data files to comprise the tablespace None of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In a _____ a parent record type can be linked to one or more "child" record types, but a child record type can have only one parent. Distributed database Hierarchical database Relational database Network database Distributed database Hierarchical database Relational database Network database ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following contains a complete record of all activity that affected the contents of a database during a certain period of time? data manipulation language transaction log report writer query language None of these data manipulation language transaction log report writer query language None of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A top-to-bottom relationship among the items in a database is established by a Hierarchical schema Relational schema Network schema All of the listed here Hierarchical schema Relational schema Network schema All of the listed here 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-dependent entity Weak entity Strong entity ID- independent entity ID-dependent entity Weak entity Strong entity ID- independent entity ANSWER DOWNLOAD EXAMIANS APP
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