Introduction to SQL Which of the following is a SQL aggregate function? LEN JOIN AVG LEFT LEN JOIN AVG LEFT 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 Data types All of these Default values Primary keys Data types All of these Default values ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which SQL keyword is used to retrieve only unique values? DISTINCT DISTINCTIVE UNIQUE DIFFERENT DISTINCT DISTINCTIVE UNIQUE DIFFERENT ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL The SQL keyword BETWEEN is used: None of these as a wildcard. for ranges. to limit the columns displayed. None of these as a wildcard. for ranges. to limit the columns displayed. ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL The SQL statementSELECT SUBSTR('abcdefghij', INSTR('123321234', '2', 3, 2), 2) FROM DUAL;prints 23 bc ab gh 23 bc ab gh ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL The result of every SQL query is a table. True False True False ANSWER DOWNLOAD EXAMIANS APP