Format Numbers with Commas in PostgreSQL

In PostgreSQL, we can use the TO_CHAR() function to format numbers in a given format. This includes formatting numbers with commas in the relevant location.

PostgreSQL also has a money data type, which outputs the value using the current locale. This can include commas in the appropriate place, based on the locale being used.

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Format Numbers with a Comma in SQLite

SQLite has a printf() function or format() function that allows us to format numbers according to a format string.

As from SQLite 3.18.0, it accepts a comma flag, which enables us to have comma separators at the thousands marks for integers.

Further work can be done to get it working with real/floating point numbers.

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Concatenate a String and a Number in MySQL

There are a couple of approaches we can use to concatenate strings and numbers in MySQL.

  • We can use the CONCAT() function, which concatenates its arguments.
  • We can use the pipe concatenation operator (||), which concatenates its operands.

Below are examples of each.

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