New Step by Step Map For สล็อต pg
New Step by Step Map For สล็อต pg
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parameter is interpreted as a sample based on the identical regulations employed by psql's \d commands (see designs), so a number of tables may also be selected by creating wildcard characters inside the pattern.
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this selection will make no big difference if there aren't any read through-produce transactions active when pg_dump is begun. If study-compose transactions are active, the beginning of the dump could possibly be delayed for an indeterminate length of time. Once jogging, efficiency with or with no swap is similar.
Specifies the host title from the machine on which the server is running. If the worth commences having a slash, it's made use of because the directory for the Unix domain socket. The default is taken within the PGHOST setting variable, if established, else a Unix area socket link is tried.
this feature disables using greenback quoting for purpose bodies, and forces them for being quoted working with SQL normal string syntax.
Dump facts as INSERT commands (as opposed to duplicate). Controls the most amount of rows for every INSERT command. The value specified needs to be a selection larger than zero. Any mistake for the duration of restoring will lead to only rows which are Element of the problematic INSERT เว็บตรง to get shed, as opposed to your complete desk contents.
normally, this option is beneficial for screening but shouldn't be made use of when dumping facts from manufacturing set up.
$ pg_restore -d newdb db.dump To reload an archive file into the exact same database it had been dumped from, discarding The present contents of that database:
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you are able to only use this option With all the directory output format because this is the only output structure where by multiple procedures can create their knowledge concurrently.
Requesting distinctive locks on databases objects though running a parallel dump could trigger the dump to fall short. The main reason is that the pg_dump chief procedure requests shared locks (accessibility SHARE) over the objects which the employee procedures are likely to dump later in order to be sure that no person deletes them and can make them disappear even though the dump is functioning. If A different client then requests an special lock on a desk, that lock won't be granted but might be queued watching for the shared lock from the chief method to be introduced.
pg_dump can be a utility for backing up a PostgreSQL database. It makes dependable backups although the databases is being used concurrently. pg_dump isn't going to block other customers accessing the databases (audience or writers).
In the event the consumer does not have sufficient privileges to bypass row protection, then an error is thrown. This parameter instructs pg_dump to set row_security to on as a substitute, permitting the user to dump the areas of the contents with the table that they have access to.
Use this Should you have referential integrity checks or other triggers around the tables that you don't desire to invoke all through data restore.
This option isn't effective for just a dump which is meant only for catastrophe Restoration. it may be valuable for the dump utilized to load a replica of the database for reporting or other go through-only load sharing even though the first database proceeds for being up to date.
utilize a serializable transaction with the dump, in order that the snapshot employed is in line with later on database states; but try this by watching for some extent from the transaction stream at which no anomalies may be existing, to make sure that there isn't a threat in the dump failing or resulting in other transactions to roll back which has a serialization_failure. See Chapter thirteen for more information about transaction isolation and concurrency control.
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