TECHNICAL ISO/IEC TR REPORT 19583-21 First edition 2022-08 Information technology - Concepts and usage of metadata - Part 21: 11179-3 Data model in SQL Reference number IS0/IEC TR 19583-21:2022(E) ISO E IS0/IEC 2022 IS0/IEC TR 19583-21:2022(E) COPYRIGHT PROTECTED DOCUMENT @IS0/IEC2022 All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting on the internet or an intranet, without prior written permission. Permission can be requested from either IsO at the address below or Iso'smemberbodyinthe country oftherequester. ISO copyright office CP 401 · Ch. de Blandonnet 8 CH-1214 Vernier, Geneva Phone:+4122 749 0111 Email: [email protected] Website: www.iso.org Published in Switzerland ii @ IS0/IEC 2022 -All rights reserved