Example: HELP TABLE with a JSON Auto Column - Advanced SQL Engine - Teradata Database

SQL Data Definition Language Syntax and Examples

Product
Advanced SQL Engine
Teradata Database
Release Number
17.00
Published
September 2020
Language
English (United States)
Last Update
2021-01-23
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B035-1144
lifecycle
previous
Product Category
Teradata Vantage™

Here is the table definition of MyTable for this example, where the JSON column c is defined with the AUTO COLUMN option.

     CREATE TABLE TEST.MyTable (
      a INTEGER,
      b JSON(16776192) INLINE LENGTH 4096 CHARACTER SET LATIN,
      c JSON(16776192) INLINE LENGTH 4096 CHARACTER SET LATIN AUTO COLUMN)
     PRIMARY INDEX ( a );

This statement displays information for the table MyTable.

     HELP TABLE MyTable;

Below is the abbreviated HELP TABLE output for selected attributes of column c.

Column Name c
Type JN
Nullable Y
Format X(64000)
Max Length 16,776,192
Table/View? T
Inline Length 4,096
Auto Column Y