Introduction to SQL A dynamic view is one whose contents materialize when referenced. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which SQL statement is used to delete data FROM a database? DELETE REMOVE ALTER COLLAPSE DELETE REMOVE ALTER COLLAPSE ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which is the subset of SQL commands used to manipulate Oracle Database structures, including tables? None Data Manipulation Language(DML) Both of above Data Definition Language(DDL) None Data Manipulation Language(DML) Both of above Data Definition Language(DDL) ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL A subquery in an SQL SELECT statement: cannot have its results sorted using ORDER BY. can always be duplicated by a join. can only be used with two tables. has a distinct form that cannot be duplicated by a join. cannot have its results sorted using ORDER BY. can always be duplicated by a join. can only be used with two tables. has a distinct form that cannot be duplicated by a join. ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Find all the cities whose humidity is 89 SELECT city FROM weather WHERE humidity = 89; SELECT city FROM weather; SELECT humidity = 89 FROM weather; SELECT city WHERE humidity = 89; SELECT city FROM weather WHERE humidity = 89; SELECT city FROM weather; SELECT humidity = 89 FROM weather; SELECT city WHERE humidity = 89; ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL The HAVING clause acts like a WHERE clause, but it identifies groups that meet a criterion, rather than rows. False True False True ANSWER DOWNLOAD EXAMIANS APP
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