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Oracle
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Progress
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CHAR(N) alphanumeric data up to N characters. It always store N characters no matter what. It will append blanks to the end if you assign less data. Obsolete.
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None
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VARCHAR2(N) alphanumeric data up to N characters. Unlike CHAR(N) will not append blanks and store only as much as required
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CHARACTER. Unlike Oracle format x(N) is only for display purposes. It could store up to max 32000 regardless of format.
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DATE
Default format ’31-DEC-08’ or ’31-DEC-2008’. Note single quotes.
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DATE
Default format 12/31/08 or 12/31/2008
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NUMBER(n,m). The value for n is the size and m is precision. So m is the portion of n that is defined to the right of decimal point.
NUMBER(n,m) will accept up to n significant digits of which m are to the right of decimal point.
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None
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NUMERIC, DEC, DECIMAL
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DECIMAL decimals m. The value for m is number of decimal points. Default is 2.
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BOOLEAN
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LOGICAL
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INT
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INTEGER
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ROWID, BLOB, CLOB and RAW are the same.
Progress does not have BFILE, BINARY_INTEGER, SMALLINT, POSITIVE, NATURAL, MLSLABEL, TABLE data types.
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