U+2A1D "⨝" Join Unicode Character
Unicode Version 17.0
⨝
U+2A1D "⨝" Join is a mathematical symbol known as a bowtie or join operator, primarily used in relational algebra and database theory to represent a natural join operation between two relations. In this context, it signifies a combination of tuples from two tables based on common attributes, effectively merging data where matching values exist. The symbol's design resembles a sideways bowtie or an elongated cross, and it belongs to the Unicode block for supplemental mathematical operators, which provides a range of specialized signs for advanced mathematical and logical notation.
General Properties
| Code Point | U+2A1D |
| Version Added | 3.2 |
| Name | Join |
| Block | Supplemental Mathematical Operators |
| General Category | Math Symbol |
| Canonical Combining Class | Not Reordered |
| Bidirectional Class | Other Neutral |
Encodings
| HTML Decimal Encoding | ⨝ |
| HTML Hex Encoding | ⨝ |
| UTF-8 Encoding | 0xE2 0xA8 0x9D |
| UTF-16 Encoding | 0x2A1D |
| UTF-32 Encoding | 0x00002A1D |
| C/C++/Java Escape | \u2a1d |
Unicode Properties
| NFC Quick Check | Yes |
| NFD Quick Check | Yes |
| NFKC Quick Check | Yes |
| NFKD Quick Check | Yes |
| Numeric Type | None |
| Numeric Value | NaN |
| Line Break | Alphabetic |
| Script | Common |
| Script Extensions | Common |
| Indic Syllabic Category | Other |
| Pattern Syntax | Yes |
| Math | Yes |
| Vertical Orientation | Rotated |
| Grapheme Base | Yes |
| Grapheme Cluster Break | Other |
| Word Break | Other |
| Sentence Break | Other |