สล็อต pg for Dummies
สล็อต pg for Dummies
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parameter is interpreted being a pattern in accordance with the exact regulations used by psql's \d instructions (see designs), so multiple tables will also be selected by producing wildcard characters within the pattern.
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the choice archive file formats has to be utilised with pg_restore to rebuild the databases. They allow pg_restore to get selective about what on earth is restored, or even to reorder the merchandise prior to getting restored. The archive file formats are meant to be portable throughout architectures.
one of the most adaptable output file formats tend to be the “personalized” format (-Fc) as well as the “directory” structure (-Fd). they permit for assortment and reordering of all archived objects, help parallel restoration, and therefore are compressed by default. The “directory” format is the one structure that supports parallel dumps.
When dumping rational replication subscriptions, pg_dump will deliver produce SUBSCRIPTION instructions that make use of the join = Fake possibility, to ensure that restoring the membership will not make remote connections for creating a replication slot or for First desk copy. like that, the dump can be restored devoid of necessitating community usage of the distant servers. it can be then up on the consumer to reactivate the subscriptions in an acceptable way.
Dump information as INSERT commands (as an alternative to duplicate). This can make restoration incredibly sluggish; it is mainly valuable for producing dumps which might be loaded into non-PostgreSQL databases. Any mistake during restoring will cause only rows which can be Element of the problematic INSERT to become dropped, as opposed to your entire desk contents.
Generally, this selection is beneficial for testing but shouldn't be utilised when dumping data from production set up.
To carry out a parallel dump, the database server must support synchronized snapshots, a characteristic which was introduced in PostgreSQL 9.2 for Main servers and 10 for standbys. using this element, database purchasers can assure they see the exact same info established Though they use various connections.
A directory format archive is usually manipulated with typical Unix instruments; for instance, data files within an uncompressed archive is usually compressed With all the gzip, lz4, or zstd resources. This structure is compressed by default using gzip as well as supports parallel dumps.
might be a relationship string. If that's so, link string parameters will override any conflicting command line choices.
, ...) VALUES ...). This can make restoration quite gradual; it is mainly useful for creating dumps which might be loaded into non-PostgreSQL databases. Any error during restoring will bring about only rows which are Component of the problematic INSERT to generally be misplaced, in lieu of all the table contents.
This really is similar to the -t/--desk alternative, besides that Furthermore, it contains any สล็อตออนไลน์ partitions or inheritance baby tables on the desk(s) matching the pattern
never output instructions to set TOAST compression procedures. With this feature, all columns are going to be restored Along with the default compression environment.
; this selects both equally the schema alone, and all its contained objects. When this feature isn't specified, all non-process schemas within the concentrate on database is going to be dumped. various schemas is usually chosen by producing many -n switches. The pattern
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this selection isn't critical, because pg_dump will instantly prompt to get a password When the server needs password authentication.
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