Chapter 35. Lookup Tables
When you are working with CloudConnect Designer, you can also create and use Lookup Tables. These tables are data structures that allow fast access to data stored using a known key or SQL query. This way you can reduce the need to browse database or data files.
![[Warning]](figures/warning.png) | Warning |
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Remember that you should not use lookup tables in the |
All data records stored in any lookup table are kept in files, in databases or cached in memory.
As in the case of metadata an database connections, also lookup tables can be internal or external (shared). You can create them in two ways.
Each lookup table can be created as:
Internal: See Internal Lookup Tables.
Internal lookup tables can be:
Externalized: See Externalizing Internal Lookup Tables.
Exported: See Exporting Internal Lookup Tables.
External (shared): See External (Shared) Lookup Tables.
External (shared) lookup tables can be:
Linked to the graph: See Linking External (Shared) Lookup Tables.
Internalized: See Internalizing External (Shared) Lookup Tables.
Types of lookup tables are the following:
Simple lookup table: See Simple Lookup Table.
Database lookup table: See Database Lookup Table.
Range lookup table: See Range Lookup Table.
Persistent lookup table: See Persistent Lookup Table.
Aspell lookup table: See Aspell Lookup Table.