Introduction to SQL Which of the following is valid SQL for an Index? REMOVE INDEX ID; CHANGE INDEX ID; CREATE INDEX ID; ADD INDEX ID; REMOVE INDEX ID; CHANGE INDEX ID; CREATE INDEX ID; ADD INDEX ID; 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 Indexes can usually be created for both primary and secondary keys. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL To sort the results of a query use: None of these ORDER BY. SORT BY. GROUP BY. None of these ORDER BY. SORT BY. GROUP BY. 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 In SQL, which command(s) is(are) used to change a table's storage characteristics? CHANGE TABLE ALTER TABLE All of these MODIFY TABLE CHANGE TABLE ALTER TABLE All of these MODIFY TABLE ANSWER DOWNLOAD EXAMIANS APP