Relational Model
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$0
BSD
GPL v2
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On Premise
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Email
FAQ
Mailing List
BIGINT
INTEGER
DOUBLE (64-bit)
FLOAT
DECIMAL
NUMERIC
BLOBS
TEXT
VARCHAR
DATE
DATETIME
TIMESTAMP
ENUM
Drizzle (launchpad.net)
Relational Model
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Proprietary
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ACID
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Unicode
Email
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BIGINT (64-bit)
INTEGER
INTEGER8 (8-bit)
FLOAT
FLOAT (64-bit)
LVARCHAR
VARCHAR
DATETIME
N/A
Polyhedra DBMS (enea.com)