Numeric in Teradata are columns with the following data types: BYTEINT, SMALLINT, INTEGER, BIGINT, DECIMAL/NUMERIC, FLOAT/REAL/DOUBLE PRECISION, NUMBER.
The query below lists all columns with numeric data types.
Query
SELECT DatabaseName,
TableName,
ColumnName,
CASE ColumnType
WHEN 'I' THEN '4 Byte Integer'
WHEN 'I1' THEN '1 Byte Integer'
WHEN 'I2' THEN '2 Byte Integer'
WHEN 'I8' THEN '8 Byte Integer'
WHEN 'N' THEN 'Number'
WHEN 'D' THEN 'Decimal'
WHEN 'F' THEN 'Float'
END AS DataType,
DecimalTotalDigits,
DecimalFractionalDigits
FROM DBC.ColumnsV
WHERE ColumnType in ('I1', 'I2', 'I8', 'I', 'N', 'D', 'F')
AND DatabaseName NOT IN ('All', 'Crashdumps', 'DBC', 'dbcmngr',
'Default', 'External_AP', 'EXTUSER', 'LockLogShredder', 'PUBLIC',
'Sys_Calendar', 'SysAdmin', 'SYSBAR', 'SYSJDBC', 'SYSLIB',
'SystemFe', 'SYSUDTLIB', 'SYSUIF', 'TD_SERVER_DB',
'TD_SYSGPL', 'TD_SYSXML', 'TDMaps', 'TDPUSER', 'TDQCD',
'TDStats', 'tdwm', 'SQLJ', 'SYSSPATIAL','TD_SYSFNLIB')
ORDER BY DatabaseName,
TableName;
Columns
- DatabaseName - name of the database
- TableName - name of the table
- ColumnName - name of the column
- DataType - type of data
- DecimalTotalDigits - precision of the numeric column
- DecimalFractionalDigits - scale of the numeric column
Rows
- One row represents one column with a numeric data type
- Scope of rows: all columns containing numeric data types in the database
- Ordered by database name and table name