Introduction to SQL Which of the following is valid SQL for an Index? ADD INDEX ID; CHANGE INDEX ID; REMOVE INDEX ID; CREATE INDEX ID; ADD INDEX ID; CHANGE INDEX ID; REMOVE INDEX ID; CREATE INDEX ID; ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Indexes can usually be created for both primary and secondary keys. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL If you are going to use a combination of three or more AND and OR conditions, it is often easier to use the NOT and NOT IN operators. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which SQL statement is used to delete data FROM a database? ALTER REMOVE COLLAPSE DELETE ALTER REMOVE COLLAPSE DELETE ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL The result of every SQL query is a table. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which of the following group functions ignore NULL values? COUNT MAX SUM All of these COUNT MAX SUM All of these ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS