Trino logoMigration to Trino Iceberg Table Format

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Trino added Iceberg connector some years ago and since that the connector has been getting more popular in Trino community. The major competitor for Iceberg connector is Hive one. Those table formats store data similar. The advantage of Iceberg connector is that it stores metadata along with data. It brings …

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Dbeaver logoUnleash DBeaver Productivity

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DBeaver Community open-source version is lack of some features which available in Eclipse Integrated Environment (IDE). Those features improve productivity of database tool adding extra functionality. Variety of Eclipse plug-ins make IDE powerful and attractive for users. Also, some features might not work as expected in DBeaver. The article describes …

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Dbeaver logoDBeaver/Eclipse "File is out of date" SVN Error

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DBeaver is Eclipse based Integrated Development Environment (IDE). It can be used with varieties of plug-ins. Subversion (SVN) is one of the plug-ins with source control functionality. It is integrated seamlessly with DBeaver, but Eclipse marketplace is supplied with old version of SVN library. It causes File is out of …

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Microsoft excel logoRename Worksheet Dynamically in Excel

Microsoft Excel events can be used to rename a worksheet based on a value in a cell. Depending on what kind of manipulations are done with a cell driving a worksheet name, it needs to pick up a specific event to trigger renaming.

Good candidates for events are.

  • SelectionChange
  • Calculate …
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Trino logoGet Started with Custom Connector Plugin in Trino

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If you need to create a custom connector plugin in Trino, the best way to get started is to pick up an existing connector. Trino includes a comprehensive list of native connectors of any flavor. Separation of code from the main repository is requesting some modifications to it. Those changes …

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Trino logoUse HTTPS Protocol in Trino Server with PKCS 12 Store

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Trino documentation includes description of access to Trino cluster secured by HTTPS protocol with load balancer, PEM and Java KeyStore files. PKCS #12 file is another option to implement HTTPS protocol. It is a binary format for storing a certificate chain and private key in a single, encryptable file with …

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Trino logoGet Started with Trino Plugin

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Trino is fully customizable with custom plugins. Those plugins can be developed in Java and deployed to Trino clusters. One of the aspects of success in development Trino plugins depends on your development environment. If you are able to mimic the Trino team environment, you might encounter less issues and …

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Hubitat logoHubitat Sensor Logging Visualization in Synology NAS

Sensor logging visualization is not available in Hubitat as the standard functionality. There are some ways to do it. The easiest implementation of the functionality is based on InfluxDB with Grafana. Those products are open-source and they are aimed to build logging visualization. The linking piece to Hubitat is InfluxDB …

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Cobol logoCOBOL Float Data Type

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Float data type is aimed to store floating-point numbers. Depending on values, float data type can be 4- or 8-byte size. There are two parts in floating-point numbers: (1) mantissa and (2) exponent. To get a floating-point value, the mantissa is multiplied by 10 raised to the power of the …

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