Explore >> Select a destination
|
You are here 
|
savvinov.com | ||
| | | | |
iusoltsev.wordpress.com
|
|
| | | | | ??????? ?????? ?? ??????? ??????????? 465 ??????! SELECT A.ID, A.LOGIN, A.NAME, A.LASTNAME, A.EMAIL FROM ACCOUNT A WHERE (A.LOGIN LIKE '%%') AND (A.NAME LIKE '%????????%' OR A.LASTNAME LIKE '%????????%') AND A.COMPANY_ID = 1 ORDER BY A.LOGIN ??? ???????, ????????? ???? ?? ??????? A.COMPANY_ID = 1 ???????? ??????? ???????????????? SQL> SELECT 'ALL' as "Condition", count(*) FROM ACCOUNT... | |
| | | | |
jonathanlewis.wordpress.com
|
|
| | | | | [More on dbms_xplan.display_cursor()] If you're using 9i and haven't learned about the dbms_xplan package, then you should take a good look atit right away. It's(usually) a much better wayof getting execution plans from your system thanwriting yourown queries against the plan_table. If you'vebeen using dbms_xplan, and upgraded from 9i to 10g, make sure that you... | |
| | | | |
www.bobbydurrettdba.com
|
|
| | | | | Sunday night we worked with Oracle Support on a performance issue with a query that had been running for over 14 hours even though it ran the previous weekend in five minutes. Oracle Support showe... | |
| | | | |
dincosman.com
|
|
| | | The performance issue with an SQL query was resolved by using the /*+ PARALLEL(2) */ hint, reducing execution time from 180-200 seconds to milliseconds. The decision to perform a direct read from disk to memory instead of reading blocks from disk was made by the database engine and is controlled by the hidden "_serial_direct_read" parameter.... | ||
