SQL Server - Wirekite Docs

Mapping

The following tables explain how SQL Server source datatypes are mapped to each target database. Wirekite extracts data from SQL Server, converts it to an internal type representation, then maps to the appropriate target type.

Numeric Types

SQL Server	PostgreSQL	MySQL	Oracle	DB2	Firebolt	Snowflake	Spanner	BigQuery	SingleStore	Databricks
`TINYINT`	`smallint`	`TINYINT UNSIGNED`	`NUMBER(38)`	`SMALLINT`	`INTEGER`	`number`	`INT64`	`INT64`	`TINYINT UNSIGNED`	`SMALLINT`
`SMALLINT`	`smallint`	`SMALLINT`	`NUMBER(38)`	`SMALLINT`	`INTEGER`	`number`	`INT64`	`INT64`	`SMALLINT`	`SMALLINT`
`INT`	`integer`	`INT`	`NUMBER(38)`	`INTEGER`	`INTEGER`	`int`	`INT64`	`INT64`	`INT`	`INT`
`BIGINT`	`bigint`	`BIGINT`	`NUMBER(38)`	`BIGINT`	`BIGINT`	`bigint`	`INT64`	`INT64`	`BIGINT`	`BIGINT`
`DECIMAL`	`decimal`	`DECIMAL`	`NUMBER`	`DECIMAL`	`NUMERIC`	`number`	`NUMERIC`	`NUMERIC`	`DECIMAL`	`DECIMAL`
`NUMERIC`	`numeric`	`NUMERIC`	`NUMBER`	`DECIMAL`	`NUMERIC`	`number`	`NUMERIC`	`NUMERIC`	`NUMERIC`	`DECIMAL`
`MONEY`	`numeric`	`NUMERIC`	`NUMBER`	`DECIMAL(21,2)`	`NUMERIC`	`number`	`NUMERIC`	`NUMERIC`	`NUMERIC`	`DECIMAL`
`SMALLMONEY`	`numeric`	`NUMERIC`	`NUMBER`	`DECIMAL(21,2)`	`NUMERIC`	`number`	`NUMERIC`	`NUMERIC`	`NUMERIC`	`DECIMAL`
`FLOAT`	`real` or `double precision`	`FLOAT` or `DOUBLE`	`BINARY_FLOAT` or `BINARY_DOUBLE`	`DOUBLE`	`DOUBLE`	`float`	`FLOAT32` or `FLOAT64`	`FLOAT64`	`FLOAT` or `DOUBLE`	`FLOAT` or `DOUBLE`
`REAL`	`real`	`FLOAT`	`BINARY_FLOAT`	`DOUBLE`	`DOUBLE`	`float`	`FLOAT32`	`FLOAT64`	`FLOAT`	`FLOAT`
`BIT`	`boolean`	`TINYINT(1)`	`CHAR(1)`	`BOOLEAN`	`BOOLEAN`	`boolean`	`BOOL`	`BOOL`	`TINYINT(1)`	`BOOLEAN`

Date and Time Types

SQL Server	PostgreSQL	MySQL	Oracle	DB2	Firebolt	Snowflake	Spanner	BigQuery	SingleStore	Databricks
`DATE`	`date`	`DATE`	`DATE`	`DATE`	`DATE`	`date`	`DATE`	`DATE`	`DATE`	`DATE`
`TIME`	`time without time zone`	`TIME(6)`	`VARCHAR2(64)`	`VARCHAR(64)`	`TEXT`	`time`	`STRING`	`TIME`	`TIME(6)`	`STRING`
`DATETIME`	`timestamp without time zone`	`DATETIME(6)`	`TIMESTAMP`	`TIMESTAMP`	`TIMESTAMP`	`timestamp_ntz`	`TIMESTAMP`	`DATETIME`	`DATETIME(6)`	`TIMESTAMP`
`DATETIME2`	`timestamp without time zone`	`DATETIME(6)`	`TIMESTAMP`	`TIMESTAMP`	`TIMESTAMP`	`timestamp_ntz`	`TIMESTAMP`	`DATETIME`	`DATETIME(6)`	`TIMESTAMP`
`SMALLDATETIME`	`timestamp without time zone`	`DATETIME(6)`	`TIMESTAMP`	`TIMESTAMP`	`TIMESTAMP`	`timestamp_ntz`	`TIMESTAMP`	`DATETIME`	`DATETIME(6)`	`TIMESTAMP`
`DATETIMEOFFSET`	`varchar(64)`	`DATETIME(6)`	`TIMESTAMP WITH LOCAL TIME ZONE`	`TIMESTAMP`	`TIMESTAMP`	`timestamp_ltz`	`STRING`	`STRING`	`DATETIME(6)`	`STRING`

Character Types

SQL Server	PostgreSQL	MySQL	Oracle	DB2	Firebolt	Snowflake	Spanner	BigQuery	SingleStore	Databricks
`CHAR`	`character`	`CHAR`	`CHAR`	`CHAR`	`TEXT`	`varchar`	`STRING`	`STRING`	`CHAR`	`STRING`
`NCHAR`	`character`	`CHAR`	`NCHAR`	`CHAR`	`TEXT`	`varchar`	`STRING`	`STRING`	`CHAR`	`STRING`
`VARCHAR`	`character varying`	`VARCHAR`	`VARCHAR2`	`VARCHAR`	`TEXT`	`varchar`	`STRING`	`STRING`	`VARCHAR`	`STRING`
`NVARCHAR`	`character varying`	`VARCHAR`	`NVARCHAR2`	`VARCHAR`	`TEXT`	`varchar`	`STRING`	`STRING`	`VARCHAR`	`STRING`
`TEXT`	`text`	`LONGTEXT`	`CLOB`	`CLOB`	`TEXT`	`varchar`	`STRING`	`STRING`	`LONGTEXT`	`STRING`
`NTEXT`	`text`	`LONGTEXT`	`NCLOB`	`CLOB`	`TEXT`	`varchar`	`STRING`	`STRING`	`LONGTEXT`	`STRING`

Binary Types

SQL Server	PostgreSQL	MySQL	Oracle	DB2	Firebolt	Snowflake	Spanner	BigQuery	SingleStore	Databricks
`BINARY`	`bytea`	`BINARY`	`RAW`	`BINARY`	`BYTEA`	`binary`	`BYTES`	`BYTES`	`BINARY`	`BINARY`
`VARBINARY`	`bytea`	`VARBINARY`	`RAW`	`VARBINARY`	`BYTEA`	`binary`	`BYTES`	`BYTES`	`VARBINARY`	`BINARY`
`IMAGE`	`bytea`	`VARBINARY`	`RAW`	`BLOB`	`BYTEA`	`binary`	`BYTES`	`BYTES`	`VARBINARY`	`BINARY`

Other Types

SQL Server	PostgreSQL	MySQL	Oracle	DB2	Firebolt	Snowflake	Spanner	BigQuery	SingleStore	Databricks
`UNIQUEIDENTIFIER`	`uuid`	`VARCHAR(64)`	`VARCHAR2(128)`	`VARCHAR(128)`	`TEXT`	`varchar(64)`	`STRING`	`STRING`	`VARCHAR(64)`	`STRING`
`XML`	`xml`	`TEXT`	`CLOB`	`CLOB`	`TEXT`	`varchar`	`STRING`	`STRING`	`TEXT`	`STRING`
`JSON`	`jsonb`	`JSON`	`CLOB`	`CLOB`	`TEXT`	`varchar`	`JSON`	`JSON`	`JSON`	`STRING`
`GEOGRAPHY`	`varchar(4000)`	`VARCHAR(4000)`	`VARCHAR2(4000)`	`VARCHAR(4000)`	`TEXT`	`varchar(4000)`	`STRING`	`STRING`	`VARCHAR(4000)`	`STRING`
`GEOMETRY`	`varchar(4000)`	`VARCHAR(4000)`	`VARCHAR2(4000)`	`VARCHAR(4000)`	`TEXT`	`varchar(4000)`	`STRING`	`STRING`	`VARCHAR(4000)`	`STRING`
`HIERARCHYID`	`varchar(4000)`	`VARCHAR(4000)`	`VARCHAR2(4000)`	`VARCHAR(4000)`	`TEXT`	`varchar(4000)`	`STRING`	`STRING`	`VARCHAR(4000)`	`STRING`
`SQL_VARIANT`	`varchar(4000)`	`VARCHAR(4000)`	`VARCHAR2(4000)`	`VARCHAR(4000)`	`TEXT`	`varchar(4000)`	`STRING`	`STRING`	`VARCHAR(4000)`	`STRING`