如果指定了 GROUP BY,则 GROUPING 只能用在 SELECT列表、HAVING 和 ORDER BY 子句中。-- 语法 GROUPING ( <column_expression> )3.4.4.2 GROUPING_ID() 计算分组级别的函数。仅当指定了 GROUP BY 时,GROUPING_ID 才能在 SELECT列表、HAVING 或 ORDER BY 子句中使用。 代码语言:javascript 代码运行次数:0 运行...
--used to convert hex to decimal@resultBIGINT,--the value of the hex symbol being parsed@indexSMALLINT,--used for parsing the hex value@EscapeINT--the index of the next escape characterDECLARE@StringsTABLE/* in this temporary table we keep all strings, even the Names of the elements,...
REPLICATE() --函数返回一个重复character_expression 指定次数的字符串 /*select replicate('abc', 3) replicate( 'abc', -2) 运行结果如下 --- --- abcabcabc NULL*/ REVERSE() --函数将指定的字符串的字符排列顺序颠倒 REPLACE() --函数返回被替换了指定子串的字符串 /*select replace('abc123g', ...
Convert between ASCII or UNICODE code to a string character. SELECT CHAR(65) 'A' Numeric integer value as input. CHARINDEX and PATINDEX Find the starting position of one string expression or string pattern within another string expression. SELECT CHARINDEX...
Output String : (subitemid_4698&& (subitemid_5047>=0 ||subitemid_GHI>=0)) || (!subitemid_ABC && subitemid_DEF==0 && subitemid_GHI==0) Please create below function [SplitString] firstly, refer the test1 DDL from above and find the query in attached txt file. Copy [CREATE FUN...
We store data in multiple formats or data types in SQL Server tables. Suppose you have a data column that contains string data in alphanumeric format. We use LIKE logical operator to search specific character in the string and retrieve the result. For example, in theEmployeetable, we want ...
[Find_Unicode] ( @in_string nvarchar(max) ) RETURNS @unicode_char TABLE(id INT IDENTITY(1,1), Char_ NVARCHAR(4), position BIGINT) AS BEGIN DECLARE @character nvarchar(1) DECLARE @index int SET @index = 1 WHILE @index <= LEN(@in_string) BEGIN SET @character = SUBSTRING(@in_...
REVERSE ( character_expression )-- 返回字符表达式的反转。 REPLACE ( 'string_expression1' , 'string_expression2' , 'string_expression3' )--用第三个表达式替换第一个字符串表达式中出现的所有第二个给定字符串表达式。 STUFF ( character_expression , start , length , character_expression )--删除指定...
WHERE program_name IN('SQL profiler',N'SQL 事件探查器') EXEC sp_msforeach_worker '?' 7.记录搜索: 开头到N条记录 Select Top N * From 表 --- N到M条记录(要有主索引ID) Select Top M-N * From 表 Where ID in (Select Top M ID From 表) Order by ID Desc --- N到结尾记录 Select...
If you use a wildcard character in a stored procedure, view, or table-valued function to select all columns in a table or view, the number or shape of returned columns might change if the underlying table or view changes. The shape of a column is a combination of its type and size. ...