Introduction to SQL 'AS' clause is used in SQL for Projection operation. Selection operation. Rename operation. Join operation. Projection operation. Selection operation. Rename operation. Join operation. ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL SELECT DISTINCT is used if a user wishes to see duplicate columns in a query. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL The command to remove rows from a table 'CUSTOMER' is: DELETE FROM CUSTOMER WHERE ... UPDATE FROM CUSTOMER ... REMOVE FROM CUSTOMER ... DROP FROM CUSTOMER ... DELETE FROM CUSTOMER WHERE ... UPDATE FROM CUSTOMER ... REMOVE FROM CUSTOMER ... DROP FROM CUSTOMER ... ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL There is an equivalent join expression that can be substituted for all subquery expressions. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL The SQL statementSELECT ROUND(45.926, -1) FROM DUAL; prints 045.926 is illegal prints garbage prints 50 prints 045.926 is illegal prints garbage prints 50 ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL SQL can be used to: create database structures only. All of these query database data only. modify database data only. create database structures only. All of these query database data only. modify database data only. ANSWER DOWNLOAD EXAMIANS APP