By default, the TRIM function removes the space character from both the start and the end of the string. This behavior is equivalent to LTRIM(RTRIM(@string)).To enable the optional LEADING, TRAILING, or BOTH positional arguments in SQL Server 2022 (16.x), you must enable database ...
enclosed_by--enclosed by characterforexpress mode load optionally_enclosed_by--optionally enclosed by characterforexpress mode load characterset--charactersetforexpress mode load degree_of_parallelism--degreeofparallelismforexpress mode load and external table load trim--trim typeforexpress mode load and ...
TRIM(character_expression) 参数 character_expression 要从中删除空格的字符表达式。 结果类型 DT_WSTR 备注 如果该参数为空,则 TRIM 返回的结果为空。 TRIM 只可用于 DT_WSTR 数据类型。 如果character_expression参数是字符串文字或数据类型为 DT_STR 的数据列,则它在 TRIM 执行操作前隐式转换为 DT_WSTR 数...
DECLARE @string_to_trim varchar(60); SET @string_to_trim = 'Four spaces are after the period in this sentence. '; SELECT @string_to_trim + ' Next string.'; SELECT RTRIM(@string_to_trim) + ' Next string.'; GO 下面是结果集: --- Four spaces are after the period in this senten...
TRIM DEALLOCATE MONTH TRUE DEC NAMES UNION DECIMAL NATIONAL UNIQUE DECLARE NATURAL UNKNOWN DEFAULT NCHAR UPDATE DEFERRABLE NEXT UPPER DEFERRED NO USAGE DELETE NONE USER DESC NOT USING DESCRIBE NULL VALUE DESCRIPTOR NULLIF VALUES DIAGNOSTICS NUMERIC ...
如果expression 是支持的字符数据类型之一,则返回字符数据 。 如果 expression 是 binary 支持的字符数据类型之一,则返回字符数据 。 返回的字符串类型与指定表达式的类型相同(表中显示的除外)。 指定的表达式返回类型 char/varchar/textvarchar nchar/nvarchar/ntextnvarchar ...
A. Remove the space character from both sides of string The following example removes spaces from before and after the word test. SQL Copy SELECT TRIM( ' test ') AS Result; Here's the result set. Output Copy test B. Remove specified characters from both sides of string The followin...
DECLARE@string_to_trimVARCHAR(60);SET@string_to_trim ='Four spaces are after the period in this sentence. ';SELECT@string_to_trim +' Next string.';SELECTRTRIM(@string_to_trim) +' Next string.'; GO 结果集如下。 输出 Four spaces are after the period in this sentence. Next string. Fo...
(String value) { if (StrUtil.isNotEmpty(value)) { for (Relation relation : values()) { if (StrUtil.equalsIgnoreCase(relation.getValue().trim(), value)) { return relation; } } } return AND; } /** * 反转关系 * * @param relation 关系 * @return {@link Relation} */ public static...
TRAILING, FROM - these are keywords to specify trimming string characters from the right end of the string trim(str) -从str中删除前后空格字符 trim(BOTH FROM str) -从str中删除前导和尾随空格字符 trim(LEADING FROM str) -从str中删除前导空格字符 trim(TRAILING FROM str) -从str中删除尾随空格...