L
- Large object
- lcm()
- libpgcommon
- libpq
- lo
- LOAD
- local_preload_libraries
- LOCK
- log_checkpoints
- log_connections
- log_destination
- log_directory
- log_error_verbosity
- log_file_mode
- logging_collector
- logical_decoding_work_mem
- login_hook
- log_line_prefix
- log_lock_waits
- log_min_duration_sample
- log_min_duration_statement
- log_parameter_max_length
- log_parameter_max_length_on_error
- log_statement_sample_rate
- log_transaction_sample_rate
- lower()
- lpad()
- LSN - Log Sequence Number
- ltree
- ltrim()