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create table auxTagsResources ( id int identity primary key, instanceId int not null, tags nvarchar(max) ); insert into auxTagsResources (instanceId, tags) values (1, N'{"tag1": "value1"}') , (1, N'{"tagA": "valueA", "tagB": "valueB"}');
2 rows affected
SELECT tag.id, j.[key] as tag, j.[value] FROM auxTagsResources tag CROSS APPLY OPENJSON(tag.tags) j WHERE tag.instanceId = 1
id
tag
value
1
tag1
value1
2
tagA
valueA
2
tagB
valueB