Уважаемые мастера!

Я наткнулся на странный феномен.
Работаю с базой данных. Использую dbExpress'ный компонент SQLQuery и, соответственно, свойство SQL. Последовательно добавляю в него инсерты один за другим. Мноого инсертов. Хочу отправить SQL на исполнение, а мне говорят - "неверный синтаксис" оО
Стал копать. Обнаружилось, что на каком-то шаге цикла в список начинает добавляться какая-то полная несуразица.
Провожу эксперимент:
for i:=1 to 1000 do DataModule4.SQLInserts.SQL.Append(inttostr(i));
и заглядываю внутрь DataModule4.SQLInserts.SQL.Text, и вижу там, пардон, вот эту херню
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После 841 шага в списке ерунда. Что бы это значило и как с этим бороться?

> и заглядываю внутрь DataModule4.SQLInserts.SQL.Text

Как заглядываешь?

> Использую dbExpress'ный компонент SQLQuery

sqlcommand предпочтительнее

> Последовательно добавляю в него инсерты один за другим.

там 1 sql должен быть, а не много