Calculator
What the SQL to MongoDB Converter does
SQL to MongoDB Converter: converts Status and MongoDB find() from Simple SQL SELECT. Example: the sample loaded on the page gives status Converted (best effort).
Status and MongoDB find(), derived from Simple SQL SELECT. Edit a field and the answer updates in place.
Typical users are developers debugging a payload. Spotting a malformed field is far quicker when the structure is laid out clearly.
The page holds your values in memory and forgets them the moment you close it.
If you want to check the arithmetic, the field table, the method and a worked example are further down.
What do the SQL to MongoDB Converter fields mean?
The SQL to MongoDB Converter uses 1 input. You can work from the defaults, or clear them and start fresh, both work.
| Field | What to enter | Default |
|---|---|---|
| Simple SQL SELECT | paste or type any amount of text | SELECT name, age FROM users WHERE age > 18 |
How does the SQL to MongoDB Converter work?
Each output is derived from the inputs above in a single pass; there is no hidden state carried between runs, so the same inputs always give the same conversion.
The guard clauses run before the formula does, which is why mistakes surface next to the field.
Worked example
These are the values the SQL to MongoDB Converter loads by default, and the result it produces from them. Here is the calculation as it stands the moment the page loads.
| Simple SQL SELECT | SELECT name, age FROM users WHERE age > 18 |
|---|
| Status | Converted (best effort) |
|---|---|
| MongoDB find() | db.users.find({"age":{"$gt":18}}, {"name":1,"age":1}) |
How to use it
- Paste your content into Simple SQL SELECT.
- Watch the results panel as you type: it recalculates on every keystroke.
- The panel reports Status and MongoDB find().
- Copy Link is the quickest way to send the exact scenario to someone else.
What this tool does not do
- Output follows the common convention for this format; a specific toolchain may have its own house style.
- Processing happens in your browser, so very large inputs are bounded by available memory.
- It assumes the values you give are already consistent with each other.
Frequently asked questions
Simple SQL SELECT. That is the whole form. Nothing starts empty, letting you treat it as a what-if tool rather than a data-entry form.
With the values loaded when the page opens, status comes out as Converted (best effort). Any edit re-runs the calculation, so there is no stale number on screen.
Nothing is stored. The page has no back end to send data to, and holds your input only in memory.
Nothing at all. There is no registration, no paywall and no per-use quota.
Reliable for the case described. Where more than one convention exists, the method section says which one is used.