Advanced SQL (part 1) CS263 Lecture 7. Processing Multiple Tables – Joins The real power of the relational model derives from its storage of data in many.
Relational Database Operators Relational algebra –Defines theoretical way of manipulating table contents using relational operators: SELECT PROJECT JOIN.
Ch 7 Continued. Substrings Returns substrings Format: Substr(stringvalue, m, n) Where m is the starting value and n is the length of characters (count)
