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 po
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 ...
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...
TRIM 非保留(不能作为函数名/类型名) 保留 保留 保留 TRIM_ARRAY 保留 保留 TRUE 保留 保留 保留 保留 TRUNCATE 非保留 保留 保留 TRUSTED 非保留 TYPE 非保留 非保留 非保留 非保留 TYPES 非保留 UESCAPE 非保留 保留 保留 UNBOUNDED 非保留 非保留 非保留 UNCOMMITTED 非保留 非保留 非保留 非保留...
TRIMRemoves leading and trailing spaces (or other specified characters) from a string UNICODEReturns the Unicode value for the first character of the input expression UPPERConverts a string to upper-case SQL Server Math/Numeric Functions FunctionDescription ...
SQL TRIM() with leading character To remove the left most '1' from the string '1234567896541' from theDUALtable, the following SQL statement can be used : SQL Code: -- This SQL query trims leading characters from a given string and returns the result with an alias. ...
當將雙位元組字集 (DBCS) 字串轉換為 Unicode 時,它們可以包括 0x0020 以外的空格字元,但此功能無法移除這些空格。 若要移除所有種類的空格,您可以在從「指令碼」元件執行的指令碼中使用 Microsoft Visual Basic .NET Trim 方法。 語法 TRIM(character_expression) ...
REVERSE (<character_expression>) 其中character_expression 可以是字符串、常数或一个列的值。 4、REPLACE() 返回被替换了指定子串的字符串。 REPLACE (<string_expression1>, <string_expression2>, <string_expression3>) 用string_expression3 替换在string_expression1 中的子串string_expression2。
A. Use SUBSTRING with a character string The following example shows how to return only a part of a character string. From thesys.databasestable, this query returns the system database names in the first column, the first letter of the database in the second column, and the third and fou...
A. Remove the space character from both sides of string The following example removes spaces from before and after the wordtest. SQL SELECTTRIM(' test ')ASResult; Here's the result set. Output test B. Remove specified characters from both sides of string ...