Introduction to SQL SQL data definition commands make up a(n) ________ . DML HTML XML DDL DML HTML XML DDL ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL The SQL keyword GROUP BY instructs the DBMS to group together those rows that have the same value in a column. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL 'AS' clause is used in SQL for Join operation. Projection operation. Selection operation. Rename operation. Join operation. Projection operation. Selection operation. Rename operation. ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Most companies keep at least two versions of any database they are using. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL If a query involves NOT, AND, OR with no parenthesis NOT will be evaluated first; AND will be evaluated second; OR will be evaluated last. NOT will be evaluated first; OR will be evaluated second; AND will be evaluated last. AND will be evaluated first; OR will be evaluated second; NOT 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. NOT will be evaluated first; OR will be evaluated second; AND will be evaluated last. AND will be evaluated first; OR will be evaluated second; NOT will be evaluated last. The order of occurrence determines the order of evaluation. ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL ............. joins two or more tables based on a specified column value not equaling a specified column value in another table. OUTER JOIN EQUIJOIN NON-EQUIJOIN NATURAL JOIN OUTER JOIN EQUIJOIN NON-EQUIJOIN NATURAL JOIN ANSWER DOWNLOAD EXAMIANS APP
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