Category: SQL TUTORIAL
DENSE_RANK calculates the rank of a value in a group of values. The return type is NUMBER. If two or more rows tie for a rank, each tied rows …
Lets take a look at differences between INTERVAL and ADD_MONTHS() in Teradata. And this post mainly focused on where to use ADD_MONTHS() over INTERVAL function in Teradata. INTERVAL is …
Indexes are special lookup tables that the database search engine can use to speed up data retrieval. Simply put, an index is a pointer to data in a table. …
RANK Function: RANK function returns the rank of a value in a group of values. It is very similar to DENSE_RANK function. The rank function can cause non-consecutive rankings …
