DBI Software Blog :: DB2 Performance How-To :: Db2 Performance: Tuning Db2 LUW Explains and db2advis, Part 2
![SAP on IBM i – Update week 20, 2017: Access to IBM DB2 for i DB Catalog Browser via DBA Cockpit | SAP Blogs SAP on IBM i – Update week 20, 2017: Access to IBM DB2 for i DB Catalog Browser via DBA Cockpit | SAP Blogs](https://blogs.sap.com/wp-content/uploads/2017/05/2017-05-08_15-57-32.png)
SAP on IBM i – Update week 20, 2017: Access to IBM DB2 for i DB Catalog Browser via DBA Cockpit | SAP Blogs
![Slow performance when using DB2, caused by limitation of database optimise routine (in Controller 10.4.0 and earlier) relating to database statistics Slow performance when using DB2, caused by limitation of database optimise routine (in Controller 10.4.0 and earlier) relating to database statistics](https://www.ibm.com/support/pages/system/files/inline-images/image-20190501171624-1.png)
Slow performance when using DB2, caused by limitation of database optimise routine (in Controller 10.4.0 and earlier) relating to database statistics
![Database Navigator - Does not show all SYSIBM tables for DB2 for z/OS · Issue #8102 · dbeaver/dbeaver · GitHub Database Navigator - Does not show all SYSIBM tables for DB2 for z/OS · Issue #8102 · dbeaver/dbeaver · GitHub](https://user-images.githubusercontent.com/61581747/76064838-c0068600-5f8a-11ea-9e5a-34279102da04.png)
Database Navigator - Does not show all SYSIBM tables for DB2 for z/OS · Issue #8102 · dbeaver/dbeaver · GitHub
![Database Navigator - Does not show all SYSIBM tables for DB2 for z/OS · Issue #8102 · dbeaver/dbeaver · GitHub Database Navigator - Does not show all SYSIBM tables for DB2 for z/OS · Issue #8102 · dbeaver/dbeaver · GitHub](https://user-images.githubusercontent.com/61581747/76064898-d44a8300-5f8a-11ea-8d12-57d665288e91.png)