ARRAY_REMOVE

SELECT array_remove(ARRAY[1, 2, 2, 3], 2)

create.select(arrayRemove(array(1, 2, 2, 3), 2)).fetch();

+--------------+
| array_remove |
+--------------+
| [1, 3]       |
+--------------+

arrayRemove(array(1, 2, 2, 3), 2)

-- AURORA_POSTGRES, COCKROACHDB, POSTGRES, TRINO, YUGABYTEDB
array_remove(
  ARRAY[1, 2, 2, 3],
  2
)

-- H2, HSQLDB
(
  SELECT array_agg(x ORDER BY o)
  FROM UNNEST(ARRAY[1, 2, 2, 3]) WITH ORDINALITY t (x, o)
  WHERE x <> 2
)

-- ACCESS, ASE, AURORA_MYSQL, BIGQUERY, DB2, DERBY, EXASOL, FIREBIRD, HANA, INFORMIX, MARIADB, MEMSQL, MYSQL, ORACLE, 
-- REDSHIFT, SNOWFLAKE, SQLDATAWAREHOUSE, SQLITE, SQLSERVER, SYBASE, TERADATA, VERTICA
/* UNSUPPORTED */