Introduction to SQL In SQL, which of the following is not a data definition language commands? UPDATE GRANT REVOKE RENAME UPDATE GRANT REVOKE RENAME ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL To remove duplicate rows from the results of an SQL SELECT statement, the ________ qualifier specified must be included. DISTINCT SINGLE ONLY UNIQUE DISTINCT SINGLE ONLY UNIQUE ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL A subquery in an SQL SELECT statement is enclosed in: brackets -- [...]. CAPITAL LETTERS. parenthesis -- (...) . braces -- {...}. brackets -- [...]. CAPITAL LETTERS. parenthesis -- (...) . braces -- {...}. ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Each index consumes extra storage space and also requires overhead maintenance time whenever indexed data change value. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL In SQL, which command is used to change a table's storage characteristics? CHANGE TABLE MODIFY TABLE ALTER TABLE None of these CHANGE TABLE MODIFY TABLE ALTER TABLE None of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL The wildcard in a WHERE clause is useful when? An exact match is necessary in a SELECT statement. An exact match is not possible in a CREATE statement. An exact match is not possible in a SELECT statement. An exact match is necessary in a CREATE statement. An exact match is necessary in a SELECT statement. An exact match is not possible in a CREATE statement. An exact match is not possible in a SELECT statement. An exact match is necessary in a CREATE statement. ANSWER DOWNLOAD EXAMIANS APP
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