PostgreSQL

19.18. Short Options
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19.18. Short Options

For convenience there are also single letter command-line option switches available for some parameters. They are described in Table 19.3. Some of these options exist for historical reasons, and their presence as a single-letter option does not necessarily indicate an endorsement to use the option heavily.

Table 19.3. Short Option Key

Short Option Equivalent

Short Option	Equivalent
`-B +`_`+x`_	`shared_buffers = +`_`+x`_
`-d +`_`+x`_	log_min_messages = DEBUG`x`
`-e`	`datestyle = euro`
`-fb`, `-fh`, `-fi`, `-fm`, `-fn`, `-fo`, `-fs`, `-ft`	`enable_bitmapscan = off`, `enable_hashjoin = off`, `enable_indexscan = off`, `enable_mergejoin = off`, `enable_nestloop = off`, `enable_indexonlyscan = off`, `enable_seqscan = off`, `enable_tidscan = off`
`-F`	`fsync = off`
`-h +`_`+x`_	`listen_addresses = +`_`+x`_
`-i`	`listen_addresses = '*'`
`-k +`_`+x`_	`unix_socket_directories = +`_`+x`_
`-l`	`ssl = on`
`-N +`_`+x`_	`max_connections = +`_`+x`_
`-O`	`allow_system_table_mods = on`
`-p +`_`+x`_	`port = +`_`+x`_
`-P`	`ignore_system_indexes = on`
`-s`	`log_statement_stats = on`
`-S +`_`+x`_	`work_mem = +`_`+x`_
`-tpa`, `-tpl`, `-te`	`log_parser_stats = on`, `log_planner_stats = on`, `log_executor_stats = on`
`-W +`_`+x`_	`post_auth_delay = +`_`+x`_

`-B +`_`+x`_

`shared_buffers = +`_`+x`_

`-d +`_`+x`_

log_min_messages = DEBUG`x`

-e

datestyle = euro

-fb, -fh, -fi, -fm, -fn, -fo, -fs, -ft

enable_bitmapscan = off, enable_hashjoin = off, enable_indexscan = off, enable_mergejoin = off, enable_nestloop = off, enable_indexonlyscan = off, enable_seqscan = off, enable_tidscan = off

-F

fsync = off

`-h +`_`+x`_

`listen_addresses = +`_`+x`_

-i

listen_addresses = '*'

`-k +`_`+x`_

`unix_socket_directories = +`_`+x`_

-l

ssl = on

`-N +`_`+x`_

`max_connections = +`_`+x`_

-O

allow_system_table_mods = on

`-p +`_`+x`_

`port = +`_`+x`_

-P

ignore_system_indexes = on

-s

log_statement_stats = on

`-S +`_`+x`_

`work_mem = +`_`+x`_

-tpa, -tpl, -te

log_parser_stats = on, log_planner_stats = on, log_executor_stats = on

`-W +`_`+x`_

`post_auth_delay = +`_`+x`_

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19.17. Developer Options	Home	Chapter 20. Client Authentication

19.17. Developer Options

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Chapter 20. Client Authentication

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