JSON_SHRED_BATCH JSONIDおよびROWINDEXキーワードの例の設定 - Advanced SQL Engine - Teradata Database

Teradata Vantage™ - JSONデータ型

Product
Advanced SQL Engine
Teradata Database
Release Number
17.10
Published
2021年7月
ft:locale
ja-JP
ft:lastEdition
2021-09-23
dita:mapPath
ja-JP/uwa1591040057999.ditamap
dita:ditavalPath
ja-JP/wrg1590696035526.ditaval
dita:id
evi1472243742653
Product Category
Software
Teradata Vantage

後の例で使用するテーブルを作成して、データを取り込みます。

CREATE TABLE JSONDocs(
   JSONDocId INTEGER,
   jsnCol JSON(10000),
   site VARCHAR(200),
   country VARCHAR(200)
) UNIQUE PRIMARY INDEX (JSONDocId);

INSERT INTO JSONDocs VALUES('1', 
  NEW JSON('{"employees" : {"company" : "Teradata","info" : [ 
            {"id" : 1, "name" : "Cameron", "dept" : "engineering"},
            {"id" : 2, "name" : "Justin","dept" : "engineering"}
                    ]}}', LATIN),'HYD','USA');

INSERT INTO JSONDocs VALUES('2', 
  NEW JSON('{"employees" : {"company" : "Teradata","info" : [ 
            {"id" : 3, "name" : "Madhu", "dept" : "engineering"},
            {"id" : 4, "name" : "Srini","dept" : "engineering"}
                    ]}}', LATIN),'HYD','USA');

CREATE TABLE jsonshred.Teradata_Employees(
   rowIndex INTEGER, 
   empId INTEGER, 
   empName varchar(30), 
   company varchar(30),
   dept varchar(10), 
   jsonDocId INTEGER,
   site varchar(10), 
   country varchar(10));