SQL for Database Construction There are three SQL data modification operations: insert, modify and delete. True False True False ANSWER DOWNLOAD EXAMIANS APP
SQL for Database Construction What is an advantage of placing computations in SQL views? 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. To ensure that the results are consistent. None of these To accomplish both of the above. 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 underlying table. a particular column in a particular row. a particular row in a particular underlying table. None of these a particular column in a particular underlying table. a particular column in a particular row. a particular row in a particular underlying table. None of these ANSWER DOWNLOAD EXAMIANS APP
SQL for Database Construction SQL Server does not support the BEFORE trigger. True False True False ANSWER DOWNLOAD EXAMIANS APP
SQL for Database Construction Three types of triggers are: BEFORE, AFTER and EXCEPTION. False True False True 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
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