Advanced SQL With the UNION clause, each query involved must output the same number of columns, and they must be UNION compatible. False True False True ANSWER DOWNLOAD EXAMIANS APP
Advanced SQL A CASE SQL statement is which of the following? A way to establish an IF-THEN-ELSE in SQL. A way to establish a loop in SQL. All of these A way to establish a data definition in SQL. A way to establish an IF-THEN-ELSE in SQL. A way to establish a loop in SQL. All of these A way to establish a data definition in SQL. ANSWER DOWNLOAD EXAMIANS APP
Advanced SQL Which of the following statements is true concerning subqueries? Does not start with the word SELECT. Involves the use of an inner and outer query. All of these Cannot return the same result as a query that is not a subquery. Does not start with the word SELECT. Involves the use of an inner and outer query. All of these Cannot return the same result as a query that is not a subquery. ANSWER DOWNLOAD EXAMIANS APP
Advanced SQL Which of the following statements is true concerning routines and triggers? Both run automatically. Both have to be called to operate. Both consist of procedural code. Both are stored in the database. Both run automatically. Both have to be called to operate. Both consist of procedural code. Both are stored in the database. ANSWER DOWNLOAD EXAMIANS APP
Advanced SQL Which of the following is true concerning triggers? They have an event, condition, and action. They execute against only some applications that access a database. You do not create them with SQL. They cannot cascade (cause another trigger to fire). They have an event, condition, and action. They execute against only some applications that access a database. You do not create them with SQL. They cannot cascade (cause another trigger to fire). ANSWER DOWNLOAD EXAMIANS APP
Advanced SQL There should be one condition within the WHERE clause for each pair of tables being joined. False True False True ANSWER DOWNLOAD EXAMIANS APP
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