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
17.10
Published
July 2021
ft:locale
en-US
ft:lastEdition
2021-07-27
dita:mapPath
spp1591731285373.ditamap
dita:ditavalPath
spp1591731285373.ditaval
dita:id
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