D.1. Supported Features
Identifier
Core?
Description
Comment
B012
Embedded C
B021
Direct SQL
E011
Core
Numeric data types
E011-01
Core
INTEGER and SMALLINT data types
E011-02
Core
REAL, DOUBLE PRECISION, and FLOAT data types
E011-03
Core
DECIMAL and NUMERIC data types
E011-04
Core
Arithmetic operators
E011-05
Core
Numeric comparison
E011-06
Core
Implicit casting among the numeric data types
E021
Core
Character data types
E021-01
Core
CHARACTER data type
E021-02
Core
CHARACTER VARYING data type
E021-03
Core
Character literals
E021-04
Core
CHARACTER_LENGTH function
trims trailing spaces from CHARACTER values before counting
E021-05
Core
OCTET_LENGTH function
E021-06
Core
SUBSTRING function
E021-07
Core
Character concatenation
E021-08
Core
UPPER and LOWER functions
E021-09
Core
TRIM function
E021-10
Core
Implicit casting among the character string types
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