Introduction to SQL Which of the following must be enclosed in double quotes? Dates Column Alias Strings All of these Dates Column Alias Strings All of these 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 NON-EQUIJOIN EQUIJOIN NATURAL JOIN OUTER JOIN NON-EQUIJOIN EQUIJOIN NATURAL JOIN ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL What operator tests column for the absence of data? EXISTS operator IS NULL operator NOT operator None of these EXISTS operator IS NULL operator NOT operator None of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which of the following is the correct order of keywords for SQL SELECT statements? SELECT, FROM, WHERE SELECT,WHERE,FROM FROM, WHERE, SELECT WHERE, FROM,SELECT SELECT, FROM, WHERE SELECT,WHERE,FROM FROM, WHERE, SELECT WHERE, FROM,SELECT ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL DISTINCT and its counterpart, ALL, can be used more than once in a SELECT statement. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL The SELECT statement SELECT 'Hi' FROM DUAL WHERE NULL = NULL; Outputs Nothing FLASE TRUE Hi Nothing FLASE TRUE Hi ANSWER DOWNLOAD EXAMIANS APP
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