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Query Syntax

48K

Solutions

19K

Contributors

SQL (Structured Query Language) is designed to be used in conjunction with relational database products as of a means of working with sets of data. SQL consists of data definition, data manipulation, and procedural elements. Its scope includes data insert, query, update and delete, schema creation and modification, and data access control.

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This is a cool tool to help visualize explain plans in postgres: https://explain.depesz.com/
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CHALLENGE LAB: Troubleshooting Connectivity Issues
CHALLENGE LAB: Troubleshooting Connectivity Issues

Goal: Fix the connectivity issue in the lab's AWS environment so that you can SSH into the provided EC2 instance.  

Query Syntax

48K

Solutions

19K

Contributors

SQL (Structured Query Language) is designed to be used in conjunction with relational database products as of a means of working with sets of data. SQL consists of data definition, data manipulation, and procedural elements. Its scope includes data insert, query, update and delete, schema creation and modification, and data access control.