Several of the Teradata attribute functions are extensions to the ANSI SQL:2011 standard.
To maintain ANSI compatibility, use the ANSI equivalent functions instead of Teradata attribute functions, when available. As listed in the table below, change the Teradata function to the ANSI function in new applications.
| Teradata Function | ANSI Function |
|---|---|
| CHARACTERS CHARS CHAR |
CHARACTER_LENGTH |
| MCHARACTERS† | |
| † This function is no longer documented because its use is deprecated and it will no longer be supported after support for KANJI1 is dropped. | |
The following Teradata functions have no ANSI equivalents:
- BYTES
- FORMAT
- TYPE