SQL Dialect Cheat Sheet

Feature	Access	SQLite	SQL Server	Postgres
Row limit	`SELECT TOP n`	`LIMIT n`	`SELECT TOP (n)`	`LIMIT n`
Null coalesce	`IIF(x Is Null, y, x)`	`IFNULL(x, y)`	`ISNULL(x, y)`	`COALESCE(x, y)`
Concatenation	`&`	`\|\|`	`+` or `CONCAT()`	`\|\|`
Date literal	`#YYYY-MM-DD#`	`'YYYY-MM-DD'`	`'YYYY-MM-DD'`	`'YYYY-MM-DD'`
Boolean	`True`/`False` (-1/0)	`1`/`0`	`1`/`0`	`TRUE`/`FALSE`