add batch
remove batch
split batch
comment selection
show hidden batches
hide batch
highlight batch
db<>fiddle
Db2
Firebird
MariaDB
MySQL
Node.js
Oracle
Postgres
SQL Server
SQLite
TimescaleDB
YugabyteDB
Developer-C 11.1
3.0
4.0
10.2
10.3
10.4
10.5
10.6
10.7
10.8
10.9
5.5
5.6
5.7
8.0
18
11g Release 2
18c
21c
23c
8.4
9.3
9.4
9.5
9.6
10
11
12
13
14
15
16
2012
2014
2016
2017
2017 (Linux)
2019
2019 (Linux)
2022
3.8
3.16
3.27
3.39
2.11
2.14
2.6
2.8
2.18
no sample DB
no sample DB
no sample DB
no sample DB
no sample DB
no sample DB
no sample DB
no sample DB
no sample DB
no sample DB
no sample DB
no sample DB
no sample DB
no sample DB
no sample DB
Sakila
no sample DB
no sample DB
no sample DB
no sample DB
no sample DB
no sample DB
no sample DB
no sample DB
no sample DB
no sample DB
no sample DB
no sample DB
no sample DB
no sample DB
no sample DB
no sample DB
no sample DB
no sample DB
no sample DB
no sample DB
no sample DB
no sample DB
no sample DB
AdventureWorks
no sample DB
no sample DB
AdventureWorks
no sample DB
no sample DB
no sample DB
no sample DB
no sample DB
no sample DB
no sample DB
no sample DB
no sample DB
run
markdown
donate
feedback
about
By using db<>fiddle, you agree to license everything you submit by
Creative Commons CC0
.
CREATE TABLE Tmp ( StrTmp nvarchar(10)); INSERT INTO Tmp values(Nchar(55357) + Nchar(56374) + N'A' + Nchar(55357) + Nchar(56374)), (N'ʕ•ﻌ•ʔ'), (Nchar(55357) + Nchar(56893) +Nchar(55357) + Nchar(56893) +Nchar(55357) + Nchar(56893) +N'ʔʔʔ'), (Nchar(55357) + Nchar(56374) + N'ʔʔʔ' + Nchar(55357) + Nchar(56374)), (N'ﻌﻌﻌ'); SELECT * FROM Tmp
StrTmp
🐶A🐶
ʕ•ﻌ•ʔ
😽😽😽ʔʔʔ
🐶ʔʔʔ🐶
ﻌﻌﻌ
-- collate Latin1_General_100_CI_AS_SC : 計算長度時一個符號與一個字元一樣等於一 WITH CTE_X1 AS ( SELECT StrTmp, SUBSTRING(StrTmp collate Latin1_General_100_CI_AS_SC,1,1) AS StrNew, 1 AS NUM FROM Tmp UNION ALL SELECT StrTmp, SUBSTRING(StrTmp collate Latin1_General_100_CI_AS_SC,NUM + 1,1) AS StrNew, NUM + 1 AS NUM FROM CTE_X1 WHERE LEN(StrTmp collate Latin1_General_100_CI_AS_SC) - NUM>0 ) SELECT StrNew,COUNT(1) AS 'Counter' FROM CTE_X1 AS A GROUP BY StrNew ORDER BY StrNew DESC
StrNew
Counter
😽
3
🐶
4
ﻌ
4
ʕ
1
ʔ
7
A
1
•
2