Using Data Definition - Teradata Vantage

Teradata® VantageCloud Lake

Deployment
VantageCloud
Edition
Lake
Product
Teradata Vantage
Published
January 2023
Language
English (United States)
Last Update
2024-04-03
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The following CREATE TABLE statement uses Teradata SQL data definition phrases to define the columns of the Employee table:

CREATE TABLE Employee
 (EmpNo PRIMARY KEY SMALLINT FORMAT '9(5)'
   CHECK(EmpNo BETWEEN 1000 AND 32001),
  Name VARCHAR(12) CHARACTER SET LATIN NOT CASESPECIFIC NOT NULL,
  DeptNo SMALLINT FORMAT '999'
   CHECK (DeptNo BETWEEN 100 AND 900),
  JobTitle VARCHAR(12) CHARACTER SET LATIN NOT CASESPECIFIC,
 Salary DECIMAL(8,2) FORMAT 'ZZZ,ZZ9.99'
   CHECK (Salary BETWEEN 1.00 AND 999000.00),
  YrsExp BYTEINT FORMAT 'Z9'
   CHECK (YrsExp BETWEEN -99 AND 99),
  DOB DATE FORMAT ’MMMbDDbYYYY’ NOT NULL,
  Gender CHAR CHARACTER SET LATIN UPPERCASE NOT NULL,
  Race CHAR CHARACTER SET LATIN UPPERCASE,
  MStat CHAR CHARACTER SET LATIN UPPERCASE,
  EdLev BYTEINT FORMAT 'Z9'
   CHECK (EdLev BETWEEN 0 AND 2) NOT NULL,
  HCap BYTEINT FORMAT 'Z9'
   CHECK (HCap BETWEEN -99 AND 99)
INDEX (Name) ;

The following SELECT statement uses Teradata SQL data definition phrases to modify the heading of the EmpNo column and the format of the results of the Salary column:

SELECT EmpNo (TITLE 'Employee Number'),
  Salary (FORMAT 'GLLZ(I)D9(F)')
FROM Employee;