SQL for Database Construction For what purposes are views used? To hide columns only All of these To hide rows only To hide complicated SQL statements only To hide columns only All of these To hide rows only To hide complicated SQL statements only ANSWER DOWNLOAD EXAMIANS APP
SQL for Database Construction The SQL CHECK constraint is fully defined by the SQL-92 standard, and is consistently implemented by all DBMS vendors. True False True False ANSWER DOWNLOAD EXAMIANS APP
SQL for Database Construction To update an SQL view, the DBMS must be able to associate the column(s) to be updated with: a particular column in a particular row. None of these a particular row in a particular underlying table. a particular column in a particular underlying table. a particular column in a particular row. None of these a particular row in a particular underlying table. a particular column in a particular underlying table. ANSWER DOWNLOAD EXAMIANS APP
SQL for Database Construction What is an SQL virtual table that is constructed from other tables? A relation Query results Just another table A view A relation Query results Just another table A view ANSWER DOWNLOAD EXAMIANS APP
SQL for Database Construction When using the SQL INSERT statement: rows cannot be copied in mass from one table to another only. rows can either be inserted into a table one at a time or in groups. rows can be inserted into a table only one at a time only. rows can be modified according to criteria only. rows cannot be copied in mass from one table to another only. rows can either be inserted into a table one at a time or in groups. rows can be inserted into a table only one at a time only. rows can be modified according to criteria only. ANSWER DOWNLOAD EXAMIANS APP
SQL for Database Construction A trigger is a stored program that is attached to a database. True False True False ANSWER DOWNLOAD EXAMIANS APP