Limit MongoDB collection sizeīy default, Studio 3T loads the first 50 documents of a collection (i.e. Another tap will restore the original (unsorted) order. If you click on the header again, the view will be sorted in descending order. While in Studio 3T’s Table View, tap on a column header once to sort your view based on the data in that column in ascending order. ![]() You can now even drag-and-drop tabs and reorder them in case you have multiple tabs open and you want a quick way to compare them more easily. Again, start by right clicking one of your tabs and now choose Split Horizontally. ![]() Or you could choose to split your view horizontally. Now your two tabs will be shown side-by-side like this: Split tabs horizontally Start by right clicking on any of the tabs and choose Split Vertically. You can choose to display the two datasets side by side vertically or horizontally. With the Split Vertically / Split Horizontally feature, Studio 3T allows you to quickly see, in a single glance, multiple tabs side by side. This will result in two different tabs displayed one after the other like this: Let’s focus on the second use case and look at two separate views of the same collection. You simply want to look at and quickly compare result sets of different queries.You want to easily compare test and production data sets.Very frequently, you probably encounter one of these use cases: View multiple MongoDB collections side-by-side In Studio 3T, you can view all these collection statistics at a glance by right-clicking on the target collection and selecting Collection Statistics, which will display the information in tree view. Size data by default is returned in bytes but can be modified with the scale value, in this case kilobytes at by specifying 1024: db.sea_mammals.stats( To view a collection’s overall stats (including size and document count), use the stats() method. Total document count: db.sea_unt(Ĭount for documents matching manatee: db.sea_unt( To count the number of documents in a collection, or the number of documents a find query would return, use the count () method. View a collection’s document count – count() It returns the collection’s total storage size, plus the total size of each of the collection’s indexes in bytes. To determine a collection’s size, use the totalSize() method: db.sea_mammals.totalSize( ![]() Or right-click on the target collection and choose Rename Collection in Studio 3T: Use the renameCollection() method in the mongo shell, specifying the target name in brackets: db.sea_mammels.renameCollection( Rename a MongoDB collection – renameCollection() In Studio 3T, the same can be done by right-clicking on the collection and choosing Drop Collection or pressing Del (Fn + Del). Leaving the field blank deletes the entire collection, like so: db.manatees.drop( Removing a collection from the database is done through the drop() method. This will open a wizard where you can configure collation, validation, storage engine options, maximum number of documents, and more. In Studio 3T, you can create a collection by right-clicking on the target database’s Collections folder from the Connection Tree and choosing Add Collection. With parameters, in this case “max” (maximum number of documents): db.createCollection( In the mongo shell, creating a collection is done through the db.createCollection() method.Ī collection can be created with or without set parameters, which include size (maximum size of a document in bytes). Create a MongoDB collection – db.createCollection() Download the latest version of Studio 3T here.
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