It is important to understand how we map various JDBC data types for the Redshift data types.
| BIT | BOOLEAN |
| TINYINT | SMALLINT |
| SMALLINT | SMALLINT |
| INTEGER | INTEGER |
| BIGINT | BIGINT |
| FLOAT | REAL |
| REAL | REAL |
| DECIMAL(m,n) | NUMERIC(m,n) |
| NUMERIC(m,n) | NUMERIC(m,n) |
| DOUBLE | DOUBLE PRECISION |
| CHAR(m) | CHAR(m) |
| LONGVARCHAR | VARCHAR(max) |
| LONGNVARCHAR | VARCHAR(max) |
| NCHAR(m) | VARCHAR(m) |
| NVARCHAR | VARCHAR(m) |
| VARCHAR(m) | VARCHAR(m) |
| DATE | DATE |
| TIME | TIMESTAMP |
| TIMESTAMP | TIMESTAMP |
| ARRAY | VARCHAR(max) |
| BINARY | VARCHAR(max) |
| VARBINARY | VARCHAR(max) |
| LONGVARBINARY | VARCHAR(max) |
| JAVA_OBJECT | VARCHAR(max) |
| BLOB | VARCHAR(max) |
| CLOB | VARCHAR(max) |
| NCLOB | VARCHAR(max) |
| STRUCT | VARCHAR(max) |
| REF | VARCHAR(max) |
| BOOLEAN | BOOLEAN |
| ROWID | VARCHAR(max) |
| SQLXML | VARCHAR(max) |
| OTHER | VARCHAR(max) |
| NULL | VARCHAR(max) |
| DISTRICT | VARCHAR(max) |
| DATALINK | VARCHAR(max) |
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