Sql updating multiple columns from another table is carbon dating really reliable

It will be vastly faster and more understandable.i have two tables names DETAILS and STATUS DETALIS contains eid,ename,sal and STATUS contains eid,sal,updationdate. Only nc type amt2 column in table1 should be updated 2. You have 200 over them in the dictionary, generate code for run said code Tony Fernandez, if you are merging data into another table, don't use a cursor at all - If at all possible, query user_tab_columns to build a native dynamic MERGE statement to do the data move. :) Hi Tom, There are 2 tables Table1 type cpty amt1 amt2 c a 10 0 c a 20 0 nc a 30 0 nc a 40 0 c b 50 0 c b 60 0 nc b 70 0 nc b 80 0 Table2 amt A cpty 100 a 115 a 120 a 125 b 130 b 140 b Trying to write an single update statement that will do the following 1. Unfortunately i cant get the tkprof as i dont have access to....you were asked to pilot a plane with a blindfold on - how well do you think you would inputs = no outputs. And why do i get an 'invalid column name' error when i run this? create table types 2 (type varchar2(1), 3 description varchar2(50), 4 factor number(4)); ************************************************************************ Insert table: insert into types values ('A','Monthly','12') / insert into types values ('B','HOURLY','1796') / insert into types values ('G','Daily','224') / insert into types values ('H','Per Visit','') / insert into types values ('I','Per session','') / ******************************************************************** insert into class_test values ('0001','3,281.18','4,177.64') / insert into class_test values ('0002','3,779.27','4,820.00') / insert into class_test values ('0003','4,779.27','5,820.00') / insert into class_test values ('0004','5,779.27','6,820.00') / insert into class_test values ('0005','7,311.45,'10,402.64') / insert into class_test values ('0005','','20.83') / insert into class_test values ('0006','','14,528.60') / insert into class_test values ('0007','5,001.82','5,727.91') / ****************************************************************** insert into jobs values ('0001','CSI','A','','50131.68') / insert into jobs values ('0002','TTI','A','','200') / insert into jobs values ('0003','SSP','A','','') / insert into jobs values ('0004','CCC','A','','') / insert into jobs values ('0006','CIO','A','','') / insert into jobs values ('0007','CIO','A','','') / It should be update rows in JOBS table where rate_type = 'A', and ITEM_NO of JOBS table should be match with ITEM_NO of class_test table. Name Marital Status Mobile Phone Email I want to update table A (Name and Marital Status) using table B data, considering that ID matches in both tables, and using a designated ID (the use of Id may be optional, but for sake of simplicity lets assume we only want to update 1 row, but multiple columns at same time) Update table A set table A. Interestingly the Update that is suggested by you takes 12 hours and Update using the PL/SQL cursor style takes 8 hrs consistently on the live environment! thanks in advance June 04, 2008 - pm UTC create table has to be followed by indexing, grants, constraints and everything else - have you accounted for THAT.... If it is not possible can you show me how to write "GOOD" sql ? i.e, one column of a table should get updated from another column of another table. regards & thankspjp June 29, 2005 - am UTC select as many old columns as you want and as many new columns as you want??? But when i did the same with the syntax given i got this error ora-01779 cannot modify a column which maps to a non key preserved value. I tried doing the same through this update ( select old. COMP_BLOOMBERG_CODE = xls01.col1), COMP_AMS_DIVIDEND_FREQ=( SELECT col17 FROM xls01 WHERE INVST_COMPANY. Is there a way to do this or perhaps a better approach? June 05, 2013 - pm UTC write one bit of code to generate the other bits of code.don't write 200 procedures.write one procedure that will write 200 procedures. COMP_BLOOMBERG_CODE = xls01.col1), COMP_AMS_LST_DIVIDEND_PAID=( SELECT col16 FROM xls01 WHERE INVST_COMPANY. I see a regno (no explanation of what that is), papercode (same comment), name (i guess a student name??? I was able to define a generic cursor with ref cursor, but can't define a generic %rowtype off of that cursor.

Secondly you have shown me to update table with "KEY PRESERVED" method. IT NEEDS THIS LOGICALLY regardless of the method used, so just add it (for if a row in OLD joins to more than one row in NEW -- you are hosed, you cannot update this data, therefore NEW has a unique/primary key, add it to facilitate the update) I had a similiar query and i tried applying to my tables. ( Client number is consist of branch, Number, Sub Number Currency Code ) We have one big transaction table around 1 million records, having many columns, and at many places client numbers are stored from account master under various columns1. June 28, 2005 - pm UTC yes, the predicate in the join for the fictional question without a sample table and data was wrong(everytime I wing it, try to answer WITHOUT TESTING, it comes out wrong. test cases are relevant :) Hi Tom, Thanks for answering my question. You told me to useupdate ( select old.old_account_number, new.new_account_number from old_table old, mapping_table new where old.old_account_number = new.old_account_number ) set old_account_number = new_account_number; But I think my questions still reamin unanswered1. In your answer only one number say client number will get updated. 00000 - "%s: invalid identifier"update ( select old. What if i need to update a table using data from an external table? WORKEXTENSION; But I was getting following error, by the Im on 10g R2 SQL Error: ORA-00904: "NEW"."WORKEXTENSION": invalid identifier 00904. Dear Tom, You mentioned previously that we need to have the table we are updating from to have a unique or primary key constraint.

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September 26, 2008 - pm UTC you can use mergemerge into t1using t2on (t1.x = t2.a)when matched then update set y = t2.b;if there exist duplicated by t2.a (more than one row with t2.a having the same value), the merge will fail at runtime when it encounters you trying to modify Y in a non-deterministic fashion. Can we use the WHERE clause in the merge statement?

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