| Type  | Sqlite | MySql  | Postgresql| Ms Sql server |
|--------|--------|--------|--------|--------|
| bool | BOOLEAN | BOOLEAN | BOOLEAN | BIT |
| QBitArray | BLOB | VARBINARY | BYTEA | VARBINARY (MAX) |
| QByteArray | BLOB | BLOB | BYTEA | VARBINARY (MAX) |
| QDate | DATE | DATE | DATE | DATE |
| QDateTime | DATETIME | DATETIME | TIMESTAMP | DATETIME |
| QTime | TIME | TIME | TIME | TIME |
| double | DOUBLE | REAL | REAL | REAL |
| float | FLOAT | FLOAT | FLOAT | FLOAT(24) |
| signed char | TINYINT | TINYINT | SMALLINT | tinyint |
| char | TINYINT | CHAR(1) | CHAR(1) | CHAR(1) |
| uchar | TINYINT UNSIGNED | TINYINT | SMALLINT | tinyint |
| short | SMALLINT | SMALLINT | SMALLINT | smallint |
| ushort | SMALLINT UNSIGNED | SMALLINT | SMALLINT | smallint |
| int | INT | INT | INTEGER | INT |
| uint | INT UNSIGNED | INT | INTEGER | INT |
| long | MEDIUMINT | BIGINT | BIGINT | bigint |
| ulong | MEDIUMINT UNSIGNED | BIGINT | BIGINT | bigint |
| qlonglong | BIGINT | BIGINT | BIGINT | bigint |
| qulonglong | BIGINT UNSIGNED | BIGINT | BIGINT | bigint |
| QChar | NCHAR(1) | CHAR(1) | CHAR(1) | CHAR(1) |
| QUrl | TEXT | TEXT | TEXT | TEXT |
| QJsonArray | TEXT | TEXT | JSONB | TEXT |
| QJsonValue | TEXT | TEXT | JSONB | TEXT |
| QJsonObject | TEXT | TEXT | JSONB | TEXT |
| QJsonDocument | TEXT | TEXT | JSONB | TEXT |
| QPoint | TEXT | TEXT | POINT | GEOMETRY |
| QPointF | TEXT | TEXT | POINT | GEOMETRY |
| QSize | TEXT | TEXT | TEXT | TEXT |
| QSizeF | TEXT | TEXT | TEXT | TEXT |
| QLine | TEXT | TEXT | LINE | TEXT |
| QLineF | TEXT | TEXT | LINE | TEXT |
| QRect | TEXT | TEXT | BOX | TEXT |
| QRectF | TEXT | TEXT | BOX | TEXT |
| QPolygon | TEXT | TEXT | POLYGON | TEXT |
| QPolygonF | TEXT | TEXT | POLYGON | TEXT |
| QStringList | TEXT | TEXT | TEXT[] | TEXT |
| QColor | TEXT | TEXT | TEXT | TEXT |
| QUuid | TEXT | TEXT | UUID | UNIQUEIDENTIFIER |
| QString | TEXT | TEXT | TEXT | NVARCHAR(MAX) |