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Variable-length binary data with a length of “n” bytes.”n” can be from 1 to 8,000. If “n” is max, then the value of 2^30-1 is used (1 GB)įixed-length binary data with a length of “n” bytes. Parameter “n” is the maximum number of bytes between 1 and 4,000. Unused characters are padded with spaces. Parameter “n” is the number of bytes between 1 and 4,000. If “n” is max, then the value of 2^31-1 is used (2 GB)įixed-size string for Unicode data. Parameter “n” is the maximum number of bytes between 1 and 8,000. Parameter “n” is the number of bytes between 1 and 8,000. The scale “s” is the number of digits to the right of the decimal. Uses precision “p” which is the total number of decimal digits (both left and right of decimal). Integer data type, can take 1, 0 or NULL. For more information, refer to the official documentation here. Here’s a list of all of the SQL data types available in SQL Server. Stores a period of time in days, hours, minutes, and secondsīetween 0 and 9 digits in the day, between 0 and 9 digits fractional secondsĪ file locator that points to a file on the serverįixed-length binary data for a database row ID Stores a period of time in years and months Fractional seconds must be 0 to 9Ī timestamp that stores data in the specified timezoneĪ timestamp that stores data in your local timezone Stores large single-byte and multi-byte objects.Ī date value that stores time and fractional secondsįrom BC to AD. Recommended for JSON fields.Ĩ TB to 128 TB (4 GB -1 * (database block size Stores large unstructured binary objects. Variable-length national character string with a maximum length of s bytes
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Variable-length character string with a maximum length of s bytes Note: the BOOLEAN, PLS_INTEGER, and BINARY_INTEGER are only available in PL/SQL and cannot be used for columns in tables, which is why I have not listed them here.įixed-length character with a length of s.įixed length national character with a length of s. Precision p ranges from 1 to 38, and scale ranges from -84 to 127ģ2-bit, single-precision floating-point numberĦ4-bit, double-precision floating-point numberįrom 2.22507485850720E-308 to 1.79769313486231E+308ġ to 126 binary digits, and up to 22 bytes Numeric data, with a precision of p and scale of s. I’ve also written about all of the Oracle data types, their parameters, and which ones to use in different situations here: Guide to the Oracle Data Types. Here’s a list of all of the SQL data types available in Oracle.
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Let’s take a look at the data types available in each database vendor, and see how they compare at the end of this article.