SQL for Database Construction There are three SQL data modification operations: insert, modify and delete. False True False True 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: None of these a particular column in a particular row. a particular column in a particular underlying table. a particular row in a particular underlying table. None of these a particular column in a particular row. a particular column in a particular underlying table. a particular row in a particular underlying table. ANSWER DOWNLOAD EXAMIANS APP
SQL for Database Construction The SQL DELETE statement is used to delete both the table structure and table data. True False True False ANSWER DOWNLOAD EXAMIANS APP
SQL for Database Construction The SQL ALTER statement can be used to: delete rows from the table. change the table structure. change the table data. add rows to the table. delete rows from the table. change the table structure. change the table data. add rows to the table. ANSWER DOWNLOAD EXAMIANS APP
SQL for Database Construction What is an SQL virtual table that is constructed from other tables? A view A relation Just another table Query results A view A relation Just another table Query results 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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