This slide deck explores data access in Ballerina including - RDBMS Data Access and Manipulation - Batch execution and Stored Procedures - Transaction Handling - Data Access Best Practices Recording: https://youtu.be/lLqvaLtC3m0

1. Niveathika Rajendran
@niveathika

2. About Ballerina Community Call
● Monthly meeting
● Community call structure
○ Feature explanation + demonstration
○ Open discussion
● Useful links
○ Agenda
○ Notify me form
○ Topic suggestion form

3. Agenda
● RDBMS Data Access and Manipulation
● Batch execution and Stored Procedures
● Transaction Handling
● Data Access Best Practices

4. RDBMS Data Access & Manipulation

5. Use case

6. Batch Execution & Stored Procedures

7. Transaction Handling

8. Data Access Best Practices

9. Data Access Best Practices
● Cleaning up connections
○ Returned stream MUST BE be closed explicitly, if it is not iterated until the last element.
○ `sql:ProcedureCallResult` needs to be closed.
● Use of Global Connection Pool
● Use of batchExecute
● USe of ParameterizedQuery

10. References
● https://ballerina.io/swan-lake/learn/api-docs/ballerina/sql/
● https://ballerina.io/swan-lake/learn/api-docs/ballerina/java.jdbc/
● https://ballerina.io/swan-lake/learn/by-example/

11. Open Discussion