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Are file geodatabases an extension of a different kind of database engine under the hood? For example, are FGDBs a customized version of an SQLite database? I'm aware that FGDBs are proprietary and inaccessible outside of ArcObjects. But it would still be helpful to know what kind of database Esri might have started with when architecting FGDBs. I assume the core non-spatial database component wasn't built 100% from scratch. Knowing what the original database was would help inform how we use SQL when writing SQL expressions on FGDBs in ArcGIS. Or even when writing database views on FGDBs*. Thanks.
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12-05-2022
08:41 AM
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A comment from @JoshuaBixby from a related post (Mobile geodatabase query layers) is relevant here too: Although a Query Layer and Database View could give the same result within a map, the implementation is different. I think the difference is enough to warrant keeping this idea. My thoughts are: Query layers are useful for temporary or one-off cases where you don’t want to create an object in the database.
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12-05-2022
08:17 AM
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What SQL client do you recommend for querying mobile geodatabases? (SQLite) For example, Toad, SQuirreL, or something like that.
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12-04-2022
08:49 PM
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Some background info about the layer: The layer's source was a Microstation drawing that was converted to a FGDB FC by an outside organization. That's beyond my control; I don't have access to the original Microstation file. And even if I did, I wouldn't know what to do with it. There are dozens of maps in this series, all with different symbology. So I don't want to create these symbology/translation tables manually by typing the information into a lookup table or field calculation. That'd be too much work. An OOTB tool would be better.
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12-04-2022
04:48 PM
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Related: Publish WMS, TMS, or XYZ layer for iHunter app
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12-04-2022
04:36 PM
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Related: Add XYZ Tiles Layer(TMS) IT sounds like XYZ/TMS might be supported after all?
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12-04-2022
12:30 PM
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I'm working with a FC that has data, of sorts, stored in the symbology. What I mean is: there is UNIT information in the symbology as labels, yet that UNIT information doesn't exist in a field in the attribute table of the FC anywhere. I want to copy or export the information from the symbology to a table -- to be used as a lookup table that I'll use to add/populate a UNIT field in the FC. I've looked in the docs and poked around in ArcGIS Pro. As far as I can tell, there isn't an OOTB tool to copy or export the information from the symbology classes to a table. Could Esri consider adding that functionality to ArcGIS Pro? Or, I suppose the holy grail would be: Idea: Convert symbology labels to a field in a feature class
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12-04-2022
12:17 PM
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To open the attribute table of a feature class, the right-click menu option is "Attribute Table":
To open the attribute table of a standalone table, the right-click menu option is "Open":
As a new ArcGIS Pro user: When I go to open the attribute table of a standalone table, I often overlook the "Open" option. I think I'm usually looking for an "Attribute Table" button, or something like that, not "Open".
Idea: Could the terminology be made more consistent for those two scenarios? I.e., make both be "Attribute Table".
I think that would be more intuitive for new users.
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12-04-2022
06:26 AM
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In ArcGIS Pro, I want to copy the coordinates of my mouse pointer's current position to the clipboard. In the past, I've used the Explore/Identify tool to identify on a feature. In the Identify window, the coordinates are listed and can be copied. But in this case, I don't have any features to identify on. And identifying on the map/basemap, in a spot that doesn't have any features, doesn't seem to do anything. The identify window doesn't come up. I'm aware that the coordinates are displayed at the bottom of the map. But they change as the mouse pointer is moved, so that means I can't get the coordinates at a specific position in the map. How can I get/copy the coordinates of the mouse pointer position -- without identifying on a feature? Thanks.
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12-04-2022
05:25 AM
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I thought I’d share some thoughts on Esri as a company and the ArcGIS platform, as someone who temporarily left the GIS industry, and then came back: In my opinion, Esri seems to be a well-run company with great staff that make quality software. As much as we like to complain about things in ArcGIS that cause us grief, I find working with ArcGIS products to generally be a positive experience. For example, the docs and support are impressively good, the software in general does what we need it to do and isn’t overly buggy, Esri is always innovating new & improved tech, and of course, the communities are extremely helpful and are well-run. As my IT department said, “ArcGIS is the only platform we have that people actually like.” In comparison, other big software companies like IBM are not as well run, in my opinion. To be blunt, the docs are terrible, the software is buggy, innovation is lacking, working with support is frustrating, and don’t get me started on licensing or their add-on products. Those are some of the reasons I left the IBM industry and came back to GIS. And since I’ve been back, I’ve noticed that my IT department was right: GIS professionals really are an exception in the office; we enjoy what we do. And having good, flexible software is one of the main reasons. Like I said, it might seem like we complain a lot. But that’s just because we hold Esri to a high standard. What I mean is: ArcGIS is already a high-quality platform. We can see that it’s really close to being exactly what we need, so we push for improvements to try to get the best possible solutions. Whereas, other platforms are so lacking that you don’t really know where to start. So, I just want to say: Kudos to Esri staff. And keep up the good work!
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12-03-2022
12:09 PM
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It would be helpful if we could control the logic used for getting the records on the many side of [one-to-first] joins. For example, choose an ORDER BY field: Grab the related record with the latest date, or the largest integer, etc. Specify ascending or descending order. Even better, make it a user-defined ORDER BY sql clause, so that we can use specialized logic like: SQL CASE statement Multiple sorting fields, some ASC and some DESC NULLS FIRST or NULLS LAST (relatively unknown SQL functionality) Specify how nulls are sorted in the attribute table (nulls first or last) Related: Choose if join will be 1:1 or 1:Many
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12-03-2022
10:43 AM
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It looks like the Add Join (Data Management) geoprocessing tool might do what I want: Related: Add Join will not create a 1:M join Solution: Make sure both FCs/tables have ObjectIDs and are in the same geodatabase. Option to Create One-to-Many Join Test: Before: No join Three features After: Joined to a table that has duplicates. The join is based on the common ASSET_ID. Now, there are 4 features. ASSET_ID #3 has been duplicated, since the related table has duplicate rows for that asset. A different option: Alternatively, I could add XY fields to the point FC. Then join (in-map join in attribute table) from the table to the FC. Then make an XY event layer from the result. I think that would give me the duplicated points.
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12-03-2022
09:10 AM
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It would be helpful if we could create query layers on mobile geodatabase data. For example, create a query layer to roll up features using GROUP BY. And loads of other functionality that's only available in full-blown SQL queries. Related post: Support query layers for file geodatabases
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12-03-2022
12:58 AM
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It would be very helpful if we could create query layers on file geodatabase data. Even though FGDBs don't have a SQL spatial type like ST_GEOMETRY, it would still help to use non-spatial SQL in full blown SQL queries on file geodatabases.
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12-03-2022
12:49 AM
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In a FGDB, I have: A point FC with a unique ID field. A related table that has the ID field as a foreign key, of sorts. The relationship is: 1:M (one point feature to many related table records). I want to export a copy of the FC that brings in the information from the related records. So the challenge is: how to handle the 1:M relationship? Options: Join from the FC to the table using an in-map join in the attribute table. In-map attribute table joins get the first arbitrary related record that it finds (“one-to-first”), and ignores the rest of the related records. So that's not quite what I want. Or, pivot the related records into columns, making the relationship 1:1. Or, create duplicate points for each related record. For option #3, how can I propagate duplicate features for each related record? If I were working in pure SQL, I'd simply use a LEFT JOIN from the FC to the table. But I don't think I can write full-blown SQL queries with JOIN clauses on FGDB data (i.e. Query Layers). Thanks.
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12-03-2022
12:40 AM
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| Title | Kudos | Posted |
|---|---|---|
| 1 | 03-20-2026 02:12 PM | |
| 1 | 03-19-2026 11:42 AM | |
| 1 | 06-03-2026 04:02 AM | |
| 1 | 03-18-2026 07:08 PM | |
| 2 | a month ago |