Introduction to SQL There is an equivalent join expression that can be substituted for all subquery expressions. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL The SELECT command, with its various clauses, allows users to query the data contained in the tables and ask many different questions or ad hoc queries. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL The SQL WHERE clause: limits the column data that are returned. Both A and B are correct. Neither A nor B are correct. limits the row data are returned. limits the column data that are returned. Both A and B are correct. Neither A nor B are correct. limits the row data are returned. ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL If a query involves NOT, AND, OR with no parenthesis NOT will be evaluated first; OR will be evaluated second; AND will be evaluated last. The order of occurrence determines the order of evaluation. NOT will be evaluated first; AND will be evaluated second; OR will be evaluated last. AND will be evaluated first; OR will be evaluated second; NOT will be evaluated last. NOT will be evaluated first; OR will be evaluated second; AND will be evaluated last. The order of occurrence determines the order of evaluation. NOT will be evaluated first; AND will be evaluated second; OR will be evaluated last. AND will be evaluated first; OR will be evaluated second; NOT will be evaluated last. ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL The result of every SQL query is a table. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL ON UPDATE CASCADE ensures which of the following? Data Integrity All of these Normalization Materialized Views Data Integrity All of these Normalization Materialized Views ANSWER DOWNLOAD EXAMIANS APP
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