flink-connector-jdbc-core/src/main/java/org/apache/flink/connector/jdbc/derby/database/dialect/DerbyDialect.java
flink-connector-jdbc-db2/src/main/java/org/apache/flink/connector/jdbc/db2/database/dialect/Db2Dialect.java

flink-connector-jdbc-core/src/main/java/org/apache/flink/connector/jdbc/derby/database/DerbyFactory.java
flink-connector-jdbc-db2/src/main/java/org/apache/flink/connector/jdbc/db2/database/Db2Factory.java

flink-connector-jdbc-core/src/main/java/org/apache/flink/connector/jdbc/core/database/JdbcFactoryLoader.java
flink-connector-jdbc-db2/src/main/java/org/apache/flink/connector/jdbc/db2/database/Db2Factory.java