计数:select count(*) as 定义别名 from table_name where 条件 求和/平均值:select sum/average(列字段名) as 定义别名 from table_name where 条件 求极值:select max/min(列字段名) as 定义别名 from table_name where 条件 条件过滤:select * from table_name where 条件1 group by 列字段名 having ...
a premature end-of-message was encountered--an incoming data stream was interrupted when the server expected to see more data A required Privilege is not held by client in ssis With Proxy account A transport-level error has occurred when receiving results from the server. (provider: Shared Memo...
下列範例會利用 RIGHT 來傳回字元字串 abcdefg 最右側兩個字元。 SQL 複製 SELECT RIGHT('abcdefg', 2); 結果集如下所示。 複製 --- fg 另請參閱 LEFT (Transact-SQL) LTRIM (Transact-SQL) RTRIM (Transact-SQL) STRING_SPLIT (Transact-SQL) SUBSTRING (Transact-SQL) TRIM (Transact-SQL) CAST...
SELECTTRIM('.,! 'FROM' # test .')ASResult; Here's the result set. Output # test In this example, only the trailing period and spaces from before#and after the wordtestwere removed. The other characters were ignored because they didn't exist in the string. ...
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 SQL Server Date Functions ...
-- Uses AdventureWorks SELECT LEFT('abcdefg',2) FROM dbo.DimProduct; 以下為結果集。複製 -- ab 另請參閱LTRIM (Transact-SQL) RIGHT (Transact-SQL) RTRIM (Transact-SQL) STRING_SPLIT (Transact-SQL) SUBSTRING (Transact-SQL) TRIM (Transact-SQL) CAST 和 CONVERT (Transact-SQL) 資料類型 (Transa...
Adding spaces in front of text to fake an indent Admin user with no access to "Home" in SSRS manager AFter migrate to SSRS 2016 reports error The full path must be less than 260 characters long; other restrictions apply. If the report server is in native mode, the path must start with...
3 SQL select to get a string between two spaces 6 Usage on Patindex() function 2 regular expression in sql server select statement 0 How to select string between two periods (SQL Server 2012) 0 Find values in between two characters '(' and ')' 1 T-SQL Extract string be...
''' <Microsoft.SqlServer.Server.SqlFunction()> _ Public Shared Function GetSimilarityScore(string1 As SqlString, string2 As SqlString) As SqlDouble If string1.IsNull OrElse string2.IsNull Then Return SqlInt32.Null Dim s1 As String = string1.Value.ToUpper().TrimEnd(" "c) Dim s2 As...
The following example usesLTRIMto remove leading spaces from a character variable. SQL DECLARE@string_to_trimVARCHAR(60);SET@string_to_trim =' Five spaces are at the beginning of this string.';SELECT@string_to_trimAS'Original string',LTRIM(@string_to_trim)AS'Without spaces'; GO ...