str: String expression to concatenate. Can be a constant, column, or function, and any combination of string operators. str_n: Subsequent string expression to concatenate. Can be a constant, column, or function, and any combination of string operators. Related functions concat Viewconcat_wsquery...
REPEAT (String,Number):Repeats a string the specified number of times. Example: select repeat('Small',2) Padding a String LPAD(String1,Length,String2): Returns theString1value left-padded with theString2value to a length ofLengthcharacters. ...
SELECT LEFT('abcdefg',2) GO Here is the result set. -- ab (1 row(s) affected) See Also Reference CAST and CONVERT (Transact-SQL) Data Types (Transact-SQL) String Functions (Transact-SQL)
STRING_SPLIT (Transact-SQL) SUBSTRING (Transact-SQL) TRIM (Transact-SQL) CAST and CONVERT (Transact-SQL) Data Types (Transact-SQL) String Functions (Transact-SQL) Feedback Was this page helpful? YesNo Provide product feedback|Get help at Microsoft Q&A...
left(str,numchar),right(str,numchar): 返回字符串中最左边或最右边的numchar字符 lpad(str,len,padstr),rpad(str,len,padstr): 返回一个在左侧或右侧填充有padstr的字符串,长度不超过len个字符 例如: AI检测代码解析 mysql> select left('TSO',1),right('TSO',2),lpad('TSO',4,'#'),rpad('TSO...
SELECT LEFT('football', 5); 使用RIGHT函数返回字符串中右边的字符,输入语句如下: SELECT RIGHT('football', 4); 4、填充字符串LPAD(s1,len,s2)和RPAD(s1,len,s2) 使用LPAD函数对字符串进行填充操作,输入语句如下: SELECT LPAD('hello',4,'??'), LPAD('hello',10,'??'); ...
If pad is not specified, str will be padded to the left with space characters if it is a character string, and with zeros if it is a byte sequence. lpad(str, lenl,padl)-返回str,用pad左填充到len的长度如果str比len长,则返回值缩短为len字符或字节。如果未指定pad,如果是字符串,str将在...
傳回從 str 最左邊的 len 個字元。 語法 複製 left(str, len) 引數 str:STRING 表達式。 len:INTEGER 運算式。 傳回 字串。 如果len 小於1,則會傳回空字串。 範例 SQL 複製 > SELECT left('Spark SQL', 3); Spa 相關函數 right 函式 substr 函式意見...
env.setParallelism(1)// 设置并行度为1//2.构建TableEnvval tableEnv=StreamTableEnvironment.create(env)//3.构建数据源val data=env.readTextFile("./data/words.txt")// 解析数据val wordData:DataStream[String]=data.flatMap(_.split(","))// 类型转换val tableWord=tableEnv.fromDataStream(wordData...
Built in string functions in sql server 2008LEFT, RIGHT, CHARINDEX and SUBSTRING functions in sql serverReplicate, Space, Patindex, Replace and Stuff