Introduction to SQL Which of the following is valid SQL for an Index? CREATE INDEX ID; ADD INDEX ID; CHANGE INDEX ID; REMOVE INDEX ID; CREATE INDEX ID; ADD INDEX ID; CHANGE INDEX ID; REMOVE INDEX ID; ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL The SQL statementSELECT ROUND(45.926, -1) FROM DUAL; prints 045.926 prints 50 prints garbage is illegal prints 045.926 prints 50 prints garbage is illegal ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL DISTINCT and its counterpart, ALL, can be used more than once in a SELECT statement. False True False True 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
Introduction to SQL SQL can be used to: query database data only. All of these create database structures only. modify database data only. query database data only. All of these create database structures only. modify database data only. ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL The ADD command is used to enter one row of data or to add multiple rows as a result of a query. True False True False ANSWER DOWNLOAD EXAMIANS APP
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