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
10.11
11.4
5.5
5.6
5.7
8.0
8.4
18
11g Release 2
18c
21c
23c
8.4
9.3
9.4
9.5
9.6
10
11
12
13
14
15
16
17
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
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
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
abort
markdown
donate
feedback
about
By using db<>fiddle, you agree to license everything you submit by
Creative Commons CC0
.
select pk, Column_1 into t from (values (1, 'addcd'), (2, 'swrrh'), (3, 'dggdd'), (4, 'wdffa')) v(pk, column_1)
4 rows affected
with tt as ( select t.*, row_number() over (order by pk) as seqnum from t ), bigstring as ( select convert(varchar(max), column_1) as bigstring, seqnum from tt union all select concat(bigstring.bigstring, tt.column_1), tt.seqnum from bigstring join tt on tt.seqnum = bigstring.seqnum + 1 ), string4 as ( select top (1) left(bigstring, 4) as string4, stuff(bigstring, 1, 4, '') as rest4, 1 as lev from bigstring order by len(bigstring.bigstring) desc union all select left(rest4, 4), stuff(rest4, 1, 4, ''), lev + 1 from string4 where rest4 > '' ) select string4.string4 from string4 order by lev
string4
addc
dswr
rhdg
gddw
dffa