E
- earthdistance
- ECPG
- effective_cache_size
- effective_io_concurrency
- emit_log_hook
- enable_incrementalsort
- enable_partition_pruning
- enable_partitionwise_aggregate
- enable_partitionwise_join
- ENUM
- Event trigger
- ExecutorCheckPerms_hook
- ExecutorEnd_hook
- ExecutorFinish_hook
- ExecutorRun_hook
- ExecutorStart_hook
- EXPLAIN
- explain_get_index_name_hook
- ExplainOneQuery_hook
- Extension
- external_pid_file