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10 Φεβ 2010 · SELECT REGEXP_REPLACE(COLUMN,'[^[:ascii:]],'') but Oracle does not implement the [:ascii:] character class. Is there a simple way doing what I want to do?
The Oracle ASCII function returns an ASCII code value of a character or character expression. Syntax ASCII(character_expression) Code language: SQL (Structured Query Language) ( sql )
Syntax. The syntax for the DECODE function in Oracle/PLSQL is: DECODE( expression , search , result [, search , result]... [, default] ) Parameters or Arguments expression The value to compare. It is automatically converted to the data type of the first search value before comparing. search The value that is compared against expression.
27 Δεκ 2023 · In this comprehensive guide, we will delve deep into the Oracle DECODE function, explaining its purpose, usage, potential pitfalls, and providing examples for clarity. Understanding Oracle DECODE Function; The Oracle DECODE function behaves similar to an IF-THEN-ELSE statement. It compares the first argument with the second argument.
This appendix contains two tables: ASCII character sets and control characters.
Print the character for a given ASCII code: SQL> SELECT chr (65) FROM dual; C - A. ASCII table[ edit] Here is a small PL/SQL program that can be used to print an ASCII table:
1 Ιουν 2023 · The purpose of the Oracle DECODE function is to perform an IF-THEN-ELSE function. It’s similar to a CASE statement, but CASE is a statement where DECODE is a function. It allows you to provide a value, and then evaluate other values against it and show different results.
