QStandardItemModel to sqlite database table

[sattu]

hi everyone,
I am trying to insert the data present in a QStandardItemModel.I have to set that data into a table present in sqlite database.I tried like below

QSqlTableModel table(0,db_local);
table.setTable("menu_list");
table.setEditStrategy(QSqlTableModel::OnManualSubmit);
for(i=0;i<model->rowCount();i++)
{
        table.insertRow(i);
        for(j=0;j<model->columnCount();j++)
        ok=  table.setData(table.index(i,j),model->data(model->index(i,j)));
}

QSqlTableModel table(0,db_local);
table.setTable("menu_list");
table.setEditStrategy(QSqlTableModel::OnManualSubmit);
for(i=0;i<model->rowCount();i++)
{
        table.insertRow(i);
        for(j=0;j<model->columnCount();j++)
        ok=  table.setData(table.index(i,j),model->data(model->index(i,j)));
}

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In QSqlTableModel the required value is present.
But in database nothing is there.
Is there any other statement required to update the table inside database?
plz help me.

thanks