SQL for Database Construction Which is NOT one of the most common types of SQL CHECK constraints? Lists of values Range checks System date Comparing one column value to another within the same table Lists of values Range checks System date Comparing one column value to another within the same table ANSWER DOWNLOAD EXAMIANS APP
SQL for Database Construction What is an advantage of placing computations in SQL views? To accomplish both of the above. None of these To ensure that the results are consistent. To save users from having to write an expression. To accomplish both of the above. None of these To ensure that the results are consistent. To save users from having to write an expression. ANSWER DOWNLOAD EXAMIANS APP
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 Which of the following is NOT a type of SQL constraint? FOREIGN KEY PRIMARY KEY UNIQUE ALTERNATE KEY FOREIGN KEY PRIMARY KEY UNIQUE ALTERNATE KEY ANSWER DOWNLOAD EXAMIANS APP
SQL for Database Construction For what purposes are views used? All of these To hide complicated SQL statements only To hide columns only To hide rows only All of these To hide complicated SQL statements only To hide columns only To hide rows only ANSWER DOWNLOAD EXAMIANS APP
SQL for Database Construction Standard SQL-92 views are constructed from SQL SELECT statements that do not contain the GROUP BY clause. True False True False ANSWER DOWNLOAD EXAMIANS APP
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