SELECT AND CONSUME Example | SQL Statements | Teradata Vantage - Example: Returning the Row Having the Oldest QITS Value in a Queue Table - Analytics Database - Teradata Vantage

SQL Data Manipulation Language

Deployment
VantageCloud
VantageCore
Edition
Enterprise
IntelliFlex
VMware
Product
Analytics Database
Teradata Vantage
Release Number
17.20
Published
June 2022
ft:locale
en-US
ft:lastEdition
2024-12-13
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pon1628111750298.ditamap
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qkf1628213546010.ditaval
dita:id
esx1472246586715
lifecycle
latest
Product Category
Teradata Vantageā„¢

This CREATE TABLE statement creates a queue table named shopping_cart:

     CREATE SET TABLE shopping_cart, QUEUE (
       cart_qits  TIMESTAMP(6) NOT NULL DEFAULT CURRENT_TIMESTAMP(6),
       product_id INTEGER,
       quantity   INTEGER )
   PRIMARY INDEX (product_id);

This SELECT AND CONSUME statement returns all the columns of the row with the oldest value in the cart_qits column of the shopping_cart table:

     SELECT AND CONSUME TOP 1 * FROM shopping_cart;