Advanced SQL Which of the following is true concerning triggers? You do not create them with SQL. They have an event, condition, and action. They execute against only some applications that access a database. They cannot cascade (cause another trigger to fire). You do not create them with SQL. They have an event, condition, and action. They execute against only some applications that access a database. They cannot cascade (cause another trigger to fire). 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 no more than two 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 multiple queries and does not 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 must include the same number of columns. Combines the output from no more than two queries and must include the same number of columns. ANSWER DOWNLOAD EXAMIANS APP
Advanced SQL What type of join is needed when you wish to include rows that do not have matching values? Natural join Equi-join Outer join All of these Natural join Equi-join Outer join All of these 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 Embedded SQL is which of the following? Hard-coded SQL statements in a program language such as Java. Hard-coded SQL statements in a trigger. The process of making an application capable of generating specific SQL code on the fly. Hard-coded SQL statements in a procedure. Hard-coded SQL statements in a program language such as Java. Hard-coded SQL statements in a trigger. The process of making an application capable of generating specific SQL code on the fly. Hard-coded SQL statements in a procedure. ANSWER DOWNLOAD EXAMIANS APP
Advanced SQL A function returns one value and has only output parameters. False True False True ANSWER DOWNLOAD EXAMIANS APP
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