SQL for Database Construction What SQL structure is used to limit column values of a table? None of these The CHECK constraint The LIMIT constraint The VALUE constraint None of these The CHECK constraint The LIMIT constraint The VALUE constraint 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 What is an advantage of placing computations in SQL views? To ensure that the results are consistent. None of these To accomplish both of the above. To save users from having to write an expression. To ensure that the results are consistent. None of these To accomplish both of the above. To save users from having to write an expression. 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 row in a particular underlying table. a particular column in a particular underlying table. None of these a particular column in a particular row. a particular row in a particular underlying table. a particular column in a particular underlying table. None of these a particular column in a particular row. ANSWER DOWNLOAD EXAMIANS APP
SQL for Database Construction SQL views can be used to hide: both of the above can be hidden by an SQL view. columns and rows only. None of these complicated SQL syntax only. both of the above can be hidden by an SQL view. columns and rows only. None of these complicated SQL syntax only. ANSWER DOWNLOAD EXAMIANS APP
SQL for Database Construction The DROP TABLE statement: deletes the table structure along with the table data. works whether or not referential integrity constraints would be violated. deletes the table structure only. is not an SQL statement. deletes the table structure along with the table data. works whether or not referential integrity constraints would be violated. deletes the table structure only. is not an SQL statement. ANSWER DOWNLOAD EXAMIANS APP
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