ADD COLUMN IF NOT EXISTS sucursal VARCHAR(3) DEFAULT NULL, ADD COLUMN IF NOT EXISTS punto_venta VARCHAR(5) DEFAULT NULL; COMMENT ON COLUMN fe_documentos.sucursal IS 'Terminal: sucursal (3 dígitos).

When the IBM PC was new, I served as the president of the San Francisco PC User Group for three years. That’s how I met PCMag’s editorial team, who brought me on board in 1986. In the years since that ...