This release fixes some OracleDB and PostgreSQL specific issues.

 * Introspecting table columns on OracleDB when using a non-default schema caused SQL error ORA-01427
 * SQL parameter expansion was broken when using the `ARRAY[]` expression on PostgreSQL

Total issues resolved: **9**

- [2496: Fix parameter list expansion inside PostgreSQL arrays](https://github.com/doctrine/dbal/pull/2496)
- [2515: PHP Warning when listing table columns in Oracle](https://github.com/doctrine/dbal/issues/2515)
- [2516: #2515 fix schema listing when having identical tables in databases](https://github.com/doctrine/dbal/pull/2516)
- [2517: ORA-01427 when listing table columns](https://github.com/doctrine/dbal/issues/2517)
- [2518: Fixed ORA-01427 when listing columns](https://github.com/doctrine/dbal/pull/2518)
- [2522: OraclePlatform - ORA-01427: single-row subquery returns more than one row](https://github.com/doctrine/dbal/pull/2522)
- [2549: Oracle column metadata import fix](https://github.com/doctrine/dbal/pull/2549)
- [2584: Doctrine:Schema:Validate leeds to ORA-01427(single-row subquery returns more than one row)](https://github.com/doctrine/dbal/issues/2584)
- [2585: OraclePlatform : Add an owner condition to the list table column comment subquery](https://github.com/doctrine/dbal/pull/2585)