[Konstantinos]

1) Splitting.

pawn Код:

format(Query2,sizeof(Query2),
"INSERT INTO ...",
PN(playerid), string, ...);

2) strcat

pawn Код:

Query = "INSERT INTO `Users` (`Name`, ...)";
strcat(Query, " VALUES ('%s', ...)");

format(Query, sizeof(Query), Query, PN(playerid), string, ...);

3) Zeex's compiler exceeds the line limit to 4095 characters:
https://github.com/Zeex/pawn
https://sampforum.blast.hk/showthread.php?pid=2768123#pid2768123

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Notes:
- Consider updating to the latest versions of mysql plugin.
- Escape strings when needed.
- Use default values to reduce the query.
- Values' specifiers (only strings) need an apostrophe and not grave accent character. It will result in error in syntax.