#2042 add insertMultiple() and friends, with semantics aligned with ORM 7 #4130

Job	Run time
Run examples in 'session-example' on MySQL	2m 4s
Test with MariaDB	3m 22s
Test with Java 17	3m 3s
Run examples in 'session-example' on PostgreSQL	1m 46s
Test with Java 20	3m 19s
Test with MySQL	4m 3s
Run examples in 'native-sql-example' on PostgreSQL	2m 6s
Test with PostgreSQL	3m 14s
Test with Java 21	3m 3s
Test with MSSQLServer	3m 39s
Test with Java 23	3m 5s
Test with CockroachDB	5m 59s
Test with Java 24-ea	3m 3s
Test with Db2	4m 57s
Test with Java 25-ea	3m 14s
Test with Oracle	4m 47s
	54m 44s

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