Introduction to SQL SELECT DISTINCT is used if a user wishes to see duplicate columns in a query. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL If you are going to use a combination of three or more AND and OR conditions, it is often easier to use the NOT and NOT IN operators. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL There is an equivalent join expression that can be substituted for all subquery expressions. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL SQL query and modification commands make up a(n) ________ . HTML DDL XML DML HTML DDL XML DML ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL DISTINCT and its counterpart, ALL, can be used more than once in a SELECT statement. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which SQL statement is used to delete data FROM a database? ALTER REMOVE DELETE COLLAPSE ALTER REMOVE DELETE COLLAPSE ANSWER DOWNLOAD EXAMIANS APP
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