Introduction to SQL SQL provides five built-in functions: COUNT, SUM, AVG, MAX, MIN. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL The benefits of a standard relational language include which of the following? All of these Increased dependence on a single vendor Applications are not needed Reduced training costs All of these Increased dependence on a single vendor Applications are not needed Reduced training costs ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which of the following is illegal? SELECT SYSDATE - SYSDATE FROM DUAL; None of these SELECT SYSDATE - (SYSDATE + 2) FROM DUAL; SELECT SYSDATE - (SYSDATE - 2) FROM DUAL; SELECT SYSDATE - SYSDATE FROM DUAL; None of these SELECT SYSDATE - (SYSDATE + 2) FROM DUAL; SELECT SYSDATE - (SYSDATE - 2) FROM DUAL; ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which of the following do you need to consider when you make a table in SQL? Primary keys All of these Default values Data types Primary keys All of these Default values Data types ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which of the following must be enclosed in double quotes? Strings Column Alias All of these Dates Strings Column Alias All of these Dates ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL A subquery in an SQL SELECT statement: cannot have its results sorted using ORDER BY. can always be duplicated by a join. has a distinct form that cannot be duplicated by a join. can only be used with two tables. cannot have its results sorted using ORDER BY. can always be duplicated by a join. has a distinct form that cannot be duplicated by a join. can only be used with two tables. ANSWER DOWNLOAD EXAMIANS APP
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