The maximum size and default is 4,000 bytes. The optional size is the size of a column of type UROWID. The maximum size and default is 4,000 bytesīase 64 string representing the logical address of a row of an index-organized table. Hex string representing the logical address of a row of an This data type is primarily for values returned by the ROWID pseudocolumn. (primarily for values returned by the ROWID pseudocolumn.)īase 64 string representing the unique address of a row in its table. Hexadecimal string representing the unique address of a row Note this is smalller than the maximum width of a LONG RAW column (not intrepreted by PL/SQL)Ģ Gigabytes - but now deprecated (provided for backward compatibility only) (default = 6)Ģ,000 bytes if MAX_STRING_SIZE = STANDARD
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(default = 2)įractional_seconds_precision can be 0 to 9. Time in days, hours, minutes, and seconds.ĭay_precision is the maximum number of digits in 'DAY'įractional_seconds_precision is the max number of fractional digitsĭay_precision can be 0 to 9. INTERVAL DAY ( day_precision) TO SECOND ( fractional_seconds_precision) Time in years and months, where year_precision is the numberĪccepted values are 0 to 9. TIMESTAMP ( fractional_seconds_precision) WITH TIMEZONEĪs above with time zone displacement value The number of digits in the fractional part of the SECONDĪccepted values of fractional_seconds_precision are 0 to 9. TIMESTAMP ( fractional_seconds_precision) Note this is smalller than the maximum width of a LONG column Signed integers (older slower version of PLS_INTEGER)Ĭharacter data of variable length (A bigger version the VARCHAR2Ģ Gigabytes - but now deprecated (provided for backward compatibility only). 2,147,483,647Ī sub-type of PLS_INTEGER that is always NOT NULL. PLS_INTEGER values require less storage and provide better performance than Supports the special values infinity and NaN (not a number). Each BINARY_DOUBLE value requires 8 bytes. Supports the special values infinity and NaN (not a number).Ī 64-bit, double-precision floating-point number data type.
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Each BINARY_FLOAT value requires 4 bytes. REAL has a maximum precision of 63 binary digits, which is roughly equivalentĪ 32-bit, single-precision floating-point number data type.
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Maximum precision of 126 binary digits, which is roughly equivalent to 38 This should be used for fixed length data. Such as codes A100, B102…įixed length national character set data of length size bytes. VARCHAR is a synonym for VARCHAR2 but this usage might change in future versions.įixed length character data of length size bytes.
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Now deprecated (provided for backward compatibility only) (determined by the national character set definition.) of bytes can be up to 2x size for AL16UTF16 encoding and 3x size for UTF8 encoding. Variable length national character set string having maximumģ2,767 bytes if MAX_STRING_SIZE = EXTENDEDĤ,000 bytes if MAX_STRING_SIZE = STANDARD max is only 32,767 bytes or characters if MAX_STRING_SIZE = EXTENDEDģ2,767 bytes or characters if MAX_STRING_SIZE = EXTENDEDĤ,000 bytes or characters if MAX_STRING_SIZE = STANDARD Variable length character string having maximum length size