>> the col is 'updateflag'.

>> These are all tables:

BackupDetails, Material_Master, WB06Material_purchased1011,

WB06Musterrollmaster1011, WB06MustRoll1011,WB06Registration,WB06Work_demand0607

WB06Work_demand1011,WB1011SummaryMust,WBDrought_Proofing,WBexp_amount1011

WBFlood_control,WBMaterial_Master,WBOtherWorks, WBPan_account1011

WBPan_trans1011,WBRC_Stretch_details,WBrecieve_blk1011,WBimpl_account1011

WBrecieve_pan1011,WBRural_Connectivity,WBWater_conservation, WBWork_detail

WBWork_Material,WBWork_Sanction,work_category,work_present_status,

work_proposed_status,work_status,Work_type,wrk_act_master.

>> I wish to set the updateflag to NULL just by writing one script and not buy...