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Overview
Comment:Remove obsolete text about SQLITE_EXTRA_DURABLE from the PRAGMA synchronous documentation.
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SHA3-256: fc5ba69bb777f295276ece36128ca80b4d3893fc4a6a7579d13a9add38e6816b
User & Date: drh 2018-03-20 13:14:41
Context
2018-03-22
12:01
Updates to the change log. check-in: 50c0768dbe user: drh tags: trunk
2018-03-20
13:15
Remove obsolete text about SQLITE_EXTRA_DURABLE from the PRAGMA synchronous documentation. check-in: 015a7ffa9e user: drh tags: branch-3.22
13:14
Remove obsolete text about SQLITE_EXTRA_DURABLE from the PRAGMA synchronous documentation. check-in: fc5ba69bb7 user: drh tags: trunk
2018-03-19
13:46
Document two new bug fixes in the change log. check-in: 58f72e5776 user: drh tags: trunk
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Changes to pages/pragma.in.

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    The extra WAL sync following each transaction help ensure that 
    transactions are durable across a power loss.  Transactions are
    consistent with or without the extra syncs provided by
    synchronous=FULL.
    If durability is not a concern, then synchronous=NORMAL is normally
    all one needs in WAL mode.</p>

    <p>^The default setting is usually synchronous=FULL.
    The [SQLITE_EXTRA_DURABLE] compile-time option changes the
    default to synchronous=EXTRA.</p>

    <p>The TEMP schema always has synchronous=OFF since the content of
    of TEMP is ephemeral and is not expected to survive a power outage.
    Attempts to change the synchronous setting for TEMP are
    silently ignored.

    <p>See also the [fullfsync] and [checkpoint_fullfsync] pragmas.</p>
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    The extra WAL sync following each transaction help ensure that 
    transactions are durable across a power loss.  Transactions are
    consistent with or without the extra syncs provided by
    synchronous=FULL.
    If durability is not a concern, then synchronous=NORMAL is normally
    all one needs in WAL mode.</p>





    <p>The TEMP schema always has synchronous=OFF since the content of
    of TEMP is ephemeral and is not expected to survive a power outage.
    Attempts to change the synchronous setting for TEMP are
    silently ignored.

    <p>See also the [fullfsync] and [checkpoint_fullfsync] pragmas.</p>
}