Introduction to Database System Which command(s) is(are) used to redefine a column of the table in SQL ? all of the listed here MODIFY TABLE ALTER TABLE DEFINE TABLE all of the listed here MODIFY TABLE ALTER TABLE DEFINE TABLE ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Data encryption techniques are particularly useful for improving data integrity All of these reducing storage space requirements protecting data in data communication systems None of these improving data integrity All of these reducing storage space requirements protecting data in data communication systems None of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In order to use a record management system You need to understand the model the record management system uses. None of these All of these You need to understand the low-level details of how information in stored Both (a) and (b) You need to understand the model the record management system uses. None of these All of these You need to understand the low-level details of how information in stored Both (a) and (b) ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The way a particular application views the data from the data base that the application uses is a : schema None of these module subschema relational model schema None of these module subschema relational model ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which command is used to remove a table from the database in SQL? DROP TABLE DELETE TABLE UNATTACH TABLE ERASE TABLE DROP TABLE DELETE TABLE UNATTACH TABLE ERASE TABLE ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System If the record management system allows you to edit values before they are recorded on disk, you can correct spelling changes before they are recorded change the width of a field All of the listed here change the name of a field correct spelling changes before they are recorded change the width of a field All of the listed here change the name of a field ANSWER DOWNLOAD EXAMIANS APP