Using Database Display ON/OFF icon, you can expand the working window.

Figure 1 Database Window ON/OFF Icon

Figure 2 Database Window ON/OFF
Rearrangement
If you drag Database Window holding 'Ctrl' key in the working window, you can overlap the other tool bar.

Figure 3 Database window ON/OFF Database window overlap
Direct Rename
You can rename a selected entity with the ‘F2’ button at Database.

Figure 4 Direct Rename