Introduction to SQL 'AS' clause is used in SQL for Join operation. Rename operation. Selection operation. Projection operation. Join operation. Rename operation. Selection operation. Projection operation. ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which SQL statement is used to delete data FROM a database? ALTER DELETE COLLAPSE REMOVE ALTER DELETE COLLAPSE REMOVE ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL SQL can be used to: create database structures only. All of these modify database data only. query database data only. create database structures only. All of these modify database data only. query database data only. ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which of the following SQL commands is used to retrieve data? DELETE INSERT JOIN SELECT DELETE INSERT JOIN SELECT ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Count function in SQL returns the number of groups. columns. values. distinct values. groups. columns. values. distinct values. ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL COUNT(field_name) tallies only those rows that contain a value; it ignores all null values. True False True False ANSWER DOWNLOAD EXAMIANS APP
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