@@ -1340,14 +1340,14 @@ Is not null supports all types of columns. Non-null expression is < > "" and onl
| Escape Sequence | **Character Represented by Sequence** |
| :--------: | ------------------- |
| \\' | A single quote (') character |
| \\" | A double quote (") character |
| `\'` | A single quote (') character |
| `\"` | A double quote (") character |
| \n | A newline (linefeed) character |
| \r | A carriage return character |
| \t | A tab character |
| \\\ | A backslash (\) character |
| \\% | A % character; see note following the table |
| \\_ | A _ character; see note following the table |
| `\\` | A backslash (\) character |
| `\%` | A % character; see note following the table |
| `\_` | A _ character; see note following the table |
- Escape character usage rules
- The escape characters that in a identifier (database name, table name, column name)
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@@ -1355,4 +1355,4 @@ Is not null supports all types of columns. Non-null expression is < > "" and onl
2. Backquote`` identifier： Keep it as it is.
- The escape characters that in a data
3. The escape character defined above will be escaped (% and _ see the description below). If there is no matching escape character, the escape character will be ignored.
4. The \% and \_ sequences are used to search for literal instances of % and _ in pattern-matching contexts where they would otherwise be interpreted as wildcard characters.If you use \% or \_ outside of pattern-matching contexts, they evaluate to the strings \% and \_, not to % and _.
\ No newline at end of file
4. The `\%` and `\_` sequences are used to search for literal instances of % and _ in pattern-matching contexts where they would otherwise be interpreted as wildcard characters.If you use `\%` or `\_` outside of pattern-matching contexts, they evaluate to the strings `\%` and `\_`, not to % and _.
