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 With the UNION clause, each query involved must output the same number of columns, and they must be UNION compatible. True False True False ANSWER DOWNLOAD EXAMIANS APP
Advanced SQL Which of the following is true concerning systems information in an RDBMS? RDBMS store database definition information in system-created tables. This information often cannot be updated by a user. This information can be accessed using SQL. All of these RDBMS store database definition information in system-created tables. This information often cannot be updated by a user. This information can be accessed using SQL. All of these ANSWER DOWNLOAD EXAMIANS APP
Advanced SQL Which of the following is true concerning a procedure? They do not need to have a unique name. They include procedural and SQL statements. They are the same thing as a function. You do not create them with SQL. They do not need to have a unique name. They include procedural and SQL statements. They are the same thing as a function. You do not create them with SQL. ANSWER DOWNLOAD EXAMIANS APP
Advanced SQL A function returns one value and has only output parameters. False True False True ANSWER DOWNLOAD EXAMIANS APP
Advanced SQL ROLLBACK WORK asks SQL to empty the log file. False True False True ANSWER DOWNLOAD EXAMIANS APP
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