Installation and Use of Couchbase

Couchbase is a high-performance and scalable distributed NoSQL database. The following will provide a detailed introduction to the installation process of the Couchbase database and demonstrate how to create data tables and perform data insertion, modification, query, and deletion operations. The installation process of the Couchbase database is as follows: Step 1: Go to the Couchbase official website（ https://www.couchbase.com/ ）Download the installation program suitable for your operating system. Step 2: Run the installation program and follow the prompts to install. You can choose the default installation path or choose a custom installation path. Step 3: After the installation is completed, open your browser and enter“ http://localhost:8091 Enter the Couchbase web console. Step 4: In the console, you need to create a new cluster. Click on the "Setup New Cluster" button. Step 5: In the pop-up window, enter the name and password for your cluster, and then click the "Next" button. Step 6: In the following interface, you can select settings such as database size and memory allocation size. Then click on the "Next" button. Step 7: In the next interface, you can choose whether to enable features such as data sharding, indexing, and memory optimization. Then click on the "Next" button. Step 8: In the final interface, you can choose other advanced settings as needed. Then click on the "Finish" button. At this point, the installation process is complete. Next, we will demonstrate how to create a data table and perform data insertion, modification, query, and deletion operations. Create a data table: Step 1: In the Couchbase console, click on the "Buckets" tab. Step 2: Click the "Create Bucket" button to create a new data table. Step 3: In the pop-up window, enter a name for the data table, and then click the "Create" button. Data insertion, modification, query, and deletion: Data insertion and modification: Step 1: In the Couchbase console, navigate to the data table you created. Step 2: Click on the "Documents" tab. Step 3: Click the "Create Document" button to insert new data. Step 4: In the pop-up window, enter the data you want to insert and click the "Create" button. Step 5: To modify the data, you can directly find the data you want to modify under the "Documents" tab and make the corresponding modifications. Data Query: Step 1: In the Couchbase console, navigate to the data table you created. Step 2: Click on the "Query" tab. Step 3: Enter the query statement you want to execute in the query window and click the "Execute Query" button. You can use the standard N1QL query syntax. Data deletion: Step 1: In the Couchbase console, navigate to the data table you created. Step 2: Click on the "Documents" tab. Step 3: Find the data to be deleted under the "Documents" tab and click the "Delete" button to delete the data. The above is a demonstration of the installation process of the Couchbase database and the operations of creating data tables, inserting, modifying, querying, and deleting data. I hope it will be helpful to you!