Tag Archives: oracle sql tutorials

ARITHMETIC OPERATORS Arithmetic operations can be used on the data which type is ‘date’ or ‘number’. The priority of the operators is like below ;   USAGE OF THE ARITMETHIC …

SELECT Statement Selection : SQL statements are being used to returning the selected lines from related tables. Projection : SQL’s projection ability is being used to returning the selected columns …

CHAPTER 1 – INTRODUCTION TO SQL Explaining the capabilities of the SELECT statement Writing simple SELECT statements Select columns and aliases Arithmetic operators NULL value Union operator Usage of DISTINCT …