VariousNotes » History » Version 2
Michel Condemine Admin, 02/22/2023 10:22 PM
| 1 | 1 | Michel Condemine Admin | # VariousNotes |
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| 2 | 2 | Michel Condemine Admin | ## OPC Foundation LDS |
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| 4 | * The Local Discovery Server (LDS) provides the necessary infrastructure to publicly expose the OPC UA Servers available on a given computer. |
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| 5 | * When OpenOpcUaCoreServer is configured to register to the LDS you have to copy its certificate in C:\ProgramData\OPC Foundation\UA\Discovery\pki\trusted\certs when using the OPC Fondation LDS. |
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| 7 | ## What is ETL? |
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| 9 | * ETL, which stands for extract, transform and load, is a data integration process that combines data from multiple data sources into a single, consistent data store that is loaded into a data warehouse or other target system. |
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| 10 | * OOUACoreServer is the perfect software to achieve ETL. |
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| 12 | ## ASCII_TABLE |
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| 13 |  |
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| 15 | ## LUA Tutorial Link |
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| 16 | [Overview](https://www.tutorialspoint.com/lua/lua_overview.htm) |
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| 17 | [if_else](https://www.tutorialspoint.com/lua/if_else_statement_in_lua.htm) |