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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
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Sakila
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AdventureWorks
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AdventureWorks
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no sample DB
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.
9
1
›
SELECT
CONCAT_WS(
','
,
NULL
,
NULL
) col
col
9
1
›
SELECT
CHAR_LENGTH(CONCAT_WS(
','
,
NULL
,
NULL
)) col_length
col_length
0