select mt1.* from mytable1 mt1 LEFT join mytable2 mt2 on mt1.fld1 = mt2.fld1 ;
	WHERE mt2.fld1 IS NULL

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>How do I change the following SQL Select so that it will return only those records in MyTable1 that have no child records in MyTable2:
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>select * from mytable1 join mytable2 on mytable1.fld1 = mytable2.fld1
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>Thank you in advance for any help.