Advanced SQL There should be one condition within the WHERE clause for each pair of tables being joined. True False True False ANSWER DOWNLOAD EXAMIANS APP
Advanced SQL How many tables may be included with a join? Three One All of these Two Three One All of these Two ANSWER DOWNLOAD EXAMIANS APP
Advanced SQL Which of the following statements is true concerning subqueries? Does not start with the word SELECT. All of these Involves the use of an inner and outer query. Cannot return the same result as a query that is not a subquery. Does not start with the word SELECT. All of these Involves the use of an inner and outer query. Cannot return the same result as a query that is not a subquery. ANSWER DOWNLOAD EXAMIANS APP
Advanced SQL The most frequently used relational operation, which brings together data from two or more related tables into one resultant table, is called an equi-join. True False True False ANSWER DOWNLOAD EXAMIANS APP
Advanced SQL A UNION query is which of the following? Combines the output from multiple queries and does not include the same number of columns. Combines the output from multiple queries and must include the same number of columns. Combines the output from no more than two queries and must include the same number of columns. Combines the output from no more than two queries and does not include the same number of columns. Combines the output from multiple queries and does not include the same number of columns. Combines the output from multiple queries and must include the same number of columns. Combines the output from no more than two queries and must include the same number of columns. Combines the output from no more than two queries and does not include the same number of columns. ANSWER DOWNLOAD EXAMIANS APP
Advanced SQL A CASE SQL statement is which of the following? A way to establish a loop in SQL. A way to establish a data definition in SQL. A way to establish an IF-THEN-ELSE in SQL. All of these A way to establish a loop in SQL. A way to establish a data definition in SQL. A way to establish an IF-THEN-ELSE in SQL. All of these ANSWER DOWNLOAD EXAMIANS APP
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