SQL for Database Construction For what purposes are views used? To hide rows only To hide columns only To hide complicated SQL statements only All of these To hide rows only To hide columns only To hide complicated SQL statements only All of these ANSWER DOWNLOAD EXAMIANS APP
SQL for Database Construction The SQL command to create a table is: CREATE TABLE MAKE TABLE ALTER TABLE DEFINE TABLE CREATE TABLE MAKE TABLE ALTER TABLE DEFINE TABLE ANSWER DOWNLOAD EXAMIANS APP
SQL for Database Construction If any required (NOT NULL) columns are missing from the view, the view cannot be used for inserting new data. True False True False ANSWER DOWNLOAD EXAMIANS APP
SQL for Database Construction When a foreign key column is created without a corresponding foreign key constraint, we have created a "casual relationship" between the two tables. False True False True ANSWER DOWNLOAD EXAMIANS APP
SQL for Database Construction What is an advantage of placing computations in SQL views? 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. To ensure that the results are consistent. ANSWER DOWNLOAD EXAMIANS APP
SQL for Database Construction Views constructed from SQL SELECT statements that conform to the SQL-92 standard may not contain: GROUP BY WHERE ORDER BY FROM GROUP BY WHERE ORDER BY FROM ANSWER DOWNLOAD EXAMIANS APP
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