A robust database is the key to building high-performing and scalable web applications. Whether you are building a simple ...

Ultimately, we want to ensure your Db2 for z/OS system functions as effectively and reliably as possible ... John Campbell, retired IBM Distinguished Engineer and former leader of the IBM Db2 for z/OS ...

1. AVG () = returns average value 2. COUNT () = returns number of values 3. MAX () = returns maximum value 4. MIN () = returns minimum value 5. SUM() = returns the sum of all values ...

Exponential and logarithmic functions are mathematical concepts with wide-ranging applications. Exponential functions are commonly used to model phenomena such as population growth, the spread of ...

Abstract: The additional speed and precision of the IBM RISC System/6000* floating-point unit have motivated reexamination of algorithms to perform division, square root, and the elementary functions.

ROW_NUMBER() : A UNIQUE SEQUENCE IS AUTO GENERATED FOR EVERY ROW. SIMILAR TO IDENTITY. RANK() : SAME SEQUENCE GENERATED FOR A COLUMN THAT HAS SIMILAR VALUE. NEW VALUE RESULTS IN ROW NUMBER. DENSE_RANK ...