... value or a number value. The Oracle Server and PL/SQL provide a number of different character datatypes, including CHAR, VARCHAR, VARCHAR2, LONG, RAW, and LONG RAW. In PL/SQL, the three different ... chapter. The remaining functions (not covered in this chapter) are specific to National Language Support and Trusted Oracle. Table 11.1: The Built-In Character Functions Please purchase PDF Split-Merge ... have performed many acts of concatenation in my time. Surprisingly, the answer is that PL/SQL (and the Oracle RDBMS) offers a second concatenation operator -- the double vertical bars (||). This...