lmatter[1,6] = '011191' does not work, but lmatter[1,6] like '011191%' works perfectly

Any idea ???? If I do query "Select lmatter[1,6] =2E=2E=2E" it returns stri= ng =20 '011191', but Where statement for those criteria does not=2E Why I can not=20= use=20 "=3D" ????=20 __________________________________________________ This message is intended only for the use of the=20 Addressee and may contain information that is=20 PRIVILEGED and CONFIDENTIAL=2E If you are not the intended recipient, you are hereby notified that any dissemination of this communication is strictly prohibited=2E If you have received this communication in error, please erase all copies of the message and its attachments and notify us immediately=2E Thank You=2E __________________________________________________