Introduction to Database System A race condition occurs when None of the listed here Both of the listed here Two concurrent activities interact to cause a processing error two users of the DBMS are interacting with different files at the same time None of the listed here Both of the listed here Two concurrent activities interact to cause a processing error two users of the DBMS are interacting with different files at the same time ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In the relational model, relationships between relations or tables are created by using: composite keys. determinants. candidate keys. foreign keys. composite keys. determinants. candidate keys. foreign keys. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A key: identifies a column. can only be one column. must always be composed of two or more columns. identifies a row. identifies a column. can only be one column. must always be composed of two or more columns. identifies a row. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following is not true of the traditional approach to information processing? All of these Programs are dependent on the files There is common sharing of data among the various applications It is inflexible It is file-oriented All of these Programs are dependent on the files There is common sharing of data among the various applications It is inflexible It is file-oriented ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A computer file can be best described as None of these an orderly collection of data items a random collection of data items a single data item a general collection of data items None of these an orderly collection of data items a random collection of data items a single data item a general collection of data items ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which command(s) is(are) used to enable/disable/drop an integrity constraint in SQL? ALTER TABLE DEFINE TABLE All of the listed here MODIFY TABLE ALTER TABLE DEFINE TABLE All of the listed here MODIFY TABLE ANSWER DOWNLOAD EXAMIANS APP