The following table provides an overview of the defined data types in Exasol.
Exasol Type (ANSI type)  Note 

BOOLEAN 

CHAR(n) 
1 ≤ n ≤ 2,000 
DATE 

DECIMAL (p,s) 
s ≤ p ≤ 36 p ≥ 1; s ≥ 0 
DOUBLE PRECISION 

GEOMETRY[(srid)] 
srid defines the coordinate system. For more information, see EXA_SPATIAL_REF_SYS. 
INTERVAL DAY [(p)] TO SECOND [(fp)] 
1 ≤ p ≤ 9, 0 ≤ fp ≤ 9, accuracy precise to a millisecond 
INTERVAL YEAR [(p)] TO MONTH 
1 ≤ p ≤ 9 
TIMESTAMP 
Time stamp with accuracy precise to a millisecond 
TIMESTAMP WITH LOCAL TIME ZONE 
Time stamp which considers the session time zone 
VARCHAR(n) 
1 ≤ n ≤ 2,000,000 
HASHTYPE[(n BYTE  m BIT)] 
1 ≤ n ≤ 1024 BYTE When specifying the size in bits, the number of bits m must always be a multiple of 8. 