Can you use PostGIS on lower version of PostgreSQL?
While the PostGIS version may work on lower versions of PostgreSQL, GEOS, GDAL, and Proj, enhanced features may be disabled on the lower versions. For further details, refer to our compatibility and support matrix.
When to compile a new version of PostGIS?
Support for a new PostgreSQL major version generally starts at the newest stable release version of PostGIS available at the time of the PostgreSQL major version release. We may on occasion introduce compile support for a newer PostgreSQL major version in the previous micro version to allow easier PostgreSQL pg_upgrade migrations.
Which is the latest version of PostgreSQL for testing?
It includes generally latest version of PostgreSQL, PostGIS, and PLV8. Great for development and testing. Do not mix with other installations.
When to upgrade ArcGIS to PostgreSQL 12.x?
Once you upgrade to PostgreSQL 12.x, if the database contains a geodatabase, older ArcGIS clients can no longer use the data; you must upgrade your ArcGIS clients. If you use a geodatabase in PostgreSQL or use the ST_Geometry type in a PostgreSQL database, the following operating systems have been tested and are the minimum supported version.
How does PostgreSQL backend work for archiving files?
PostgreSQL archiving methods are the ultimate in flexibility: the PostgreSQL backend simply calls a script specified in the archive_command configuration parameter. That means archiving can be as simple as copying the file to a network-mounted drive, and as complex as encrypting and emailing the files to the remote archive.
How does a tar file work in PostgreSQL?
Tar using a UNIX archive format to hold components of the dump in separate files. Using the tar format allows the pg_restore utility to selectively restore parts of the dump. Compress is like the Tar format, but compresses the internal components individually, allowing them to be selectively restored without decompressing the entire archive.