This is called a correlated update UPDATE table1 t1 SET (name, desc) = (SELECT t2.name, t2.desc FROM table2 t2 WHERE t1.id = t2.id) WHERE EXISTS ( SELECT 1 FROM table2 t2 WHERE t1.id = t2.id ) Assuming the join results in a key-preserved view, you could also UPDATE (SELECT t1.id, t1.name name1, t1.desc desc1, t2.name … Read more
you can join both tables even on UPDATE statements, UPDATE a SET a.marks = b.marks FROM tempDataView a INNER JOIN tempData b ON a.Name = b.Name SQLFiddle Demo for faster performance, define an INDEX on column marks on both tables. using SUBQUERY UPDATE tempDataView SET marks = ( SELECT marks FROM tempData b WHERE tempDataView.Name … Read more
Use the following SQL query to generate the SQL queries that you need to replace a value in all columns. select concat( ‘UPDATE my_table SET ‘, column_name, ‘ = REPLACE(‘, column_name, ‘, ”a”, ”e”);’) from information_schema.columns where table_name=”my_table”; After executing this SQL query simply run all queries to replace all values. Untested after some googling … Read more
here’s the correct syntax of UPDATE with join in MySQL UPDATE table1 a INNER JOIN table2 b ON a.ID = b.ID SET a.value = b.value SQLFiddle Demo
Your UPDATE query should look like this: UPDATE table2 t2 SET val2 = t1.val1 FROM table1 t1 WHERE t2.table2_id = t1.table2_id AND t2.val2 IS DISTINCT FROM t1.val1; — optional, see below The way you had it, there was no link between individual rows of the two tables. Every row would be fetched from table1 for … Read more
select v.SQL_TEXT, v.PARSING_SCHEMA_NAME, v.FIRST_LOAD_TIME, v.DISK_READS, v.ROWS_PROCESSED, v.ELAPSED_TIME, v.service from v$sql v where to_date(v.FIRST_LOAD_TIME,’YYYY-MM-DD hh24:mi:ss’)>ADD_MONTHS(trunc(sysdate,’MM’),-2) where clause is optional. You can sort the results according to FIRST_LOAD_TIME and find the records up to 2 months ago.
Try ;with counts AS ( SELECT total, COUNT(*) as dos FROM temp_table2010 WHERE total in (select id from #temp) ) UPDATE T SET dos=counts.dos FROM #temp T INNER JOIN counts ON t.id = counts.total
I think this should work: UPDATE table SET field = REPLACE(field, ‘string’, ‘anothervalue’) WHERE field LIKE ‘%string%’;
Well, it looks like Access can’t do aggregates in UPDATE queries. But it can do aggregates in SELECT queries. So create a query with a definition like: SELECT func_id, min(tax_code) as MinOfTax_Code FROM Functions INNER JOIN Tax ON (Functions.Func_Year = Tax.Tax_Year) AND (Functions.Func_Pure <= Tax.Tax_ToPrice) GROUP BY Func_Id And save it as YourQuery. Now we … Read more
UPDATE business b, people p SET b.email = p.email WHERE b.business_id = p.business_id AND p.sort_order=”1″ AND b.email=””