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donde podría obtener información acerca de consultas SQL ?
por ejemplo: en vfp una consulta que quiero hacer en mysql es.
select *from mi_tabla where not empty(mi_campo) order by mi_campo into cursor cMyCursor if reccount()>0 sele cMyCursor brow endif
En
esa consulta estoy pidiendo mostrar todos los registros en donde no
existan campos vacios en mi_campo. Como podría lograrlo en MySQL? ya que mysql no lee la opcion Empty().
gracias.
Héctor A Arteaga R
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Apr 8, 2014, 11:50:36 AM4/8/14
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Buen día
En mysql quedaría así:
select *from mi_tabla where trim(mi_campo) != '' order by mi_campo
Saludos!!
Héctor A Arteaga R
México.
El 08/04/14 10:50, Saúl Piña escribió:
Saúl Piña
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Apr 8, 2014, 1:17:12 PM4/8/14
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Gracias, si funcionó..
y como podría saber estas opciones para MySQL? algun buen libro o documento? gracias.
Arnaldo Toledano
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Apr 9, 2014, 4:02:00 PM4/9/14
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