TRIM( [ [ BINARY ] [ LEADING | TRAILING | BOTH ] [ characters ] FROM ] string ) 1. string表示需要修剪的字符串,BINARY表示该函数将针对二进制字符串进行操作,LEADING表示仅在字符串开头删除字符,TRAILING表示仅在字符串结尾删除字符,BOTH表示在字符串开头和结尾都删除字符,characters表示需要删除的字符或字符...
Remove the longest string containing only characters from characters (a space by default) from the start, end, or both ends: trim (both from 'yxJohnxx', 'xyz')→ John. ASCII Returns the decimal representation in the database character set of the fir...
Restriction:The S format element can appear only in the first or last position of a number format model. TM TM "Text minimum". Returns (in decimal output) the smallest number of characters possible. This element is case-insensitive.
SOUNDEX converts an alphanumeric string to a four-character code that is based on how the string sounds when spoken in English. The first character of the code is the first character of character_expression, converted to upper case. The second through fourth characters of the code are numbers...
If using the SQL Server Management Studio Query Editor, theResults to Gridoption can't implement the carriage return. Switch toResults to Textto see the result set properly. Results to Text are truncated to 256 characters by default. To increase this limit, change theMaximum number of character...
RPAD(column | expression, n, 'string') 用一个给定的字符string来填出这个表达式/字符串,填充完以后总长度为n. Returns an expressionleft-padded(左填充)to legth of n characters with a character expression. Returns an expression right-padded to length of n characters with a character expression. ...
SELECT name, SUBSTRING(name, 1, 1) AS Initial, SUBSTRING(name, 3, 2) AS ThirdAndFourthCharacters FROM sys.databases WHERE database_id < 5; 結果集如下所示。 展開資料表 NAMEInitialThirdAndFourthCharacters master m st tempdb t mp model m de msdb m db 若要顯示字串常數 abcdef的第二、...
ltrim(trimStr, str) - Removes the leading string contains the characters from the trim string Examples: > SELECT ltrim(' SparkSQL '); SparkSQL > SELECT ltrim('Sp', 'SSparkSQLS'); arkSQLS 11.regexp_extract 正则提取某些字符串,regexp_replace正则替换 ...
Thesubstring()function retrieves the first 50 characters from the string value retrieved by thestring(). This is a partial result: ProductModelID Result --- --- 19 <Prod>Our top-of-the-line competition mountain bike.</Prod> 23 <Prod>Suitable for any type of riding, on or off-roa...
Create a query to remove last two characters of a string Create a view and change the data types of some variables Create a writable view in SQL DB create an index on just the date part of a datetime field Create Database Failed - Primary file must be at least 3 MB ... create dynam...