Advanced SQL A UNION query is which of the following? 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 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 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 must include the same number of columns. Combines the output from multiple queries and does not include the same number of columns. ANSWER DOWNLOAD EXAMIANS APP
Advanced SQL Which of the following is one of the basic approaches for joining tables? Subqueries Natural join All of these Union Join Subqueries Natural join All of these Union Join ANSWER DOWNLOAD EXAMIANS APP
Advanced SQL Outer join is the same as equi-join, except one of the duplicate columns is eliminated in the result table. False True False True ANSWER DOWNLOAD EXAMIANS APP
Advanced SQL Embedded SQL is which of the following? The process of making an application capable of generating specific SQL code on the fly. Hard-coded SQL statements in a trigger. Hard-coded SQL statements in a program language such as Java. Hard-coded SQL statements in a procedure. The process of making an application capable of generating specific SQL code on the fly. Hard-coded SQL statements in a trigger. Hard-coded SQL statements in a program language such as Java. Hard-coded SQL statements in a procedure. ANSWER DOWNLOAD EXAMIANS APP
Advanced SQL ROLLBACK WORK asks SQL to empty the log file. True False True False ANSWER DOWNLOAD EXAMIANS APP
Advanced SQL What type of join is needed when you wish to return rows that do have matching values? Outer join All of these Natural join Equi-join Outer join All of these Natural join Equi-join ANSWER DOWNLOAD EXAMIANS APP
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