Introduction to SQL COUNT(field_name) tallies only those rows that contain a value; it ignores all null values. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL The SQL statement: SELECT Number1 + Number 2 AS Total FROM NUMBER_TABLE; adds two numbers from each row together and lists the results in a column named Total. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL NULL is the same as 0 for integer not a value the same as blank for character the same as 0 for integer and blank for character the same as 0 for integer not a value the same as blank for character the same as 0 for integer and blank for character ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL In SQL, which of the following is not a data definition language commands? RENAME GRANT UPDATE REVOKE RENAME GRANT UPDATE REVOKE ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which of the following is the correct order of keywords for SQL SELECT statements? FROM, WHERE, SELECT SELECT,WHERE,FROM SELECT, FROM, WHERE WHERE, FROM,SELECT FROM, WHERE, SELECT SELECT,WHERE,FROM SELECT, FROM, WHERE WHERE, FROM,SELECT ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL The wildcard in a WHERE clause is useful when? An exact match is not possible in a CREATE statement. An exact match is necessary in a CREATE statement. An exact match is not possible in a SELECT statement. An exact match is necessary in a SELECT statement. An exact match is not possible in a CREATE statement. An exact match is necessary in a CREATE statement. An exact match is not possible in a SELECT statement. An exact match is necessary in a SELECT statement. ANSWER DOWNLOAD EXAMIANS APP