Introduction to SQL Which of the following is a SQL aggregate function? AVG LEN LEFT JOIN AVG LEN LEFT JOIN ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL What operator tests column for the absence of data? None of these EXISTS operator IS NULL operator NOT operator None of these EXISTS operator IS NULL operator NOT operator ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL The SQL statement: SELECT Name, COUNT(*) FROM NAME_TABLE; counts the number of name rows and displays this total in a table with a single row and a single column. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL You can add a row using SQL in a database with which of the following? ADD INSERT MAKE CREATE ADD INSERT MAKE CREATE ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Data manipulation language (DML) commands are used to define a database, including creating, altering, and dropping tables and establishing constraints. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL The FROM SQL clause is used to... specify range for search condition specify what table we are selecting or deleting data FROM None of these specify search condition specify range for search condition specify what table we are selecting or deleting data FROM None of these specify search condition ANSWER DOWNLOAD EXAMIANS APP