Introduction to SQL Which of the following group functions ignore NULL values? SUM All of these COUNT MAX SUM All of these COUNT MAX ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL The HAVING clause acts like a WHERE clause, but it identifies groups that meet a criterion, rather than rows. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL What is a view? None of these A view is a database diagram. A view is a special stored procedure executed when certain event occurs. A view is a virtual table which results of executing a pre-compiled query. A view is not part of the physical database schema, while the regular tables are. None of these A view is a database diagram. A view is a special stored procedure executed when certain event occurs. A view is a virtual table which results of executing a pre-compiled query. A view is not part of the physical database schema, while the regular tables are. ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL The result of a SQL SELECT statement is a(n) ________ . table form file report table form file report ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL The SQL statementSELECT ROUND(45.926, -1) FROM DUAL; prints 50 is illegal prints 045.926 prints garbage prints 50 is illegal prints 045.926 prints garbage ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which operator performs pattern matching? EXISTS operator None of these BETWEEN operator LIKE operator EXISTS operator None of these BETWEEN operator LIKE operator ANSWER DOWNLOAD EXAMIANS APP
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