Introduction to SQL Each index consumes extra storage space and also requires overhead maintenance time whenever indexed data change value. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which of the following SQL commands is used to retrieve data? INSERT JOIN SELECT DELETE INSERT JOIN SELECT DELETE ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Most companies keep at least two versions of any database they are using. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL The SQL keyword BETWEEN is used: None of these for ranges. as a wildcard. to limit the columns displayed. None of these for ranges. as a wildcard. to limit the columns displayed. ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL SQL can be used to: modify database data only. query database data only. create database structures only. All of these modify database data only. query database data only. create database structures only. All of these 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
EXAMIANS