When comparing A5:SQL Mk-2 vs SQLGate, the Slant community recommends SQLGate for most people. In the question“What are the best SQL Clients for Windows?” SQLGate is ranked 8th while A5:SQL Mk-2 is ranked 16th. The most important reason people chose SQLGate is:
Functions; filter, sort and group on grid / Copy, past, sum and statistics functions like excel.
Specs
Ranked in these QuestionsQuestion Ranking
Pros
Pro ER diagrams
Supports two-way Entity Relationship diagrams.
Pro Excel support
Support for Excel input and output.
Pro Portable
Can be made portable by simply creating a folder "Portable" in the app folder.
Pro Quick data analysis
Functions; filter, sort and group on grid / Copy, past, sum and statistics functions like excel.
Pro Saves time with autocomplete & template functions
Pro Fast processing and easy customization
They put out weekly updates, so there are new and impressive functions being added pretty consistently.
Pro Supports cloud-based DB such as AWS & Azure
Pro Includes PL/SQL editor and debugger
Pro ER diagrams
Entity Relationship database diagrams limitations are: only supports reverse engineering, and can not export to formats other than .erd
Cons
Con Website
The website is mostly in Japanese.
Con Logon
The logon process after starting up the application is rather long winded (tested with PostgreSQL, no defaults shown for e.g. port number).
Con Free version is limited
e.g. only 10 tables allowed in ERD designer.