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JDBC Transaction Management Example

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In this post, we want to talk about JDBC Transactions and how we can manage the operations in a database. The most popular DBMS like MySQL and Oracle have by default the option autocommit enabled, it means immediately after any DML Operation saves the changes and makes them visible to all users. To use transactions must set the database parameter ...

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Java PostgreSQL Example

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In this article I will discuss about PostgreSQL database and how to use it through Java code. PostgreSQL, or simply Postgres, is an Object-Relational Database Management System (ORDBMS). Its primary function is to store data, securely and supporting best practices, and retrieve it later, as requested by other software applications, be it those on the same computer or those running ...

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Java JDBC ResultSet Example

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In this example, we are going to demonstrate how to use Java JDBC ResultSet in order to get and manipulate data from a database. ResultSet is essentially a table, which contains all the information that should be returned from a specific query, as well as some essential metadata. You can also check this tutorial in the following video: Java JDBC ...

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Delete records in database with JdbcTemplate

With this example we are going to demonstrate how to delete records in a database, using the JdbcTemplate class provided by the Spring Framework. The JdbcTemplate class is the central class in the JDBC core package. It simplifies the use of JDBC and helps to avoid common errors. It executes core JDBC workflow, leaving application code to provide SQL and ...

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Create Data Source for JdbcTemplate

This is an example of how to create a Datasource for the JdbcTemplate class provided by the Spring Framework. The DataSource class is a utility class that provides connection to the database. It is part of the JDBC specification and allows a container or a framework to hide connection pooling and transaction management issues from the application code. Creating a ...

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Update records in database with JdbcTemplate

In this example we shall show you how to update records in a database using the JdbcTemplate Class provided by the Spring Framework. The JdbcTemplate class is the central class in the JDBC core package. It simplifies the use of JDBC and helps to avoid common errors. It executes core JDBC workflow, leaving application code to provide SQL and extract ...

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Select records from database with JdbcTemplate

With this example we are going to demonstrate how to select records from a database using the JdbcTemplate class provided by the Spring Framework. The JdbcTemplate class is the central class in the JDBC core package. It simplifies the use of JDBC and helps to avoid common errors. It executes core JDBC workflow, leaving application code to provide SQL and ...

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Insert record in database with JdbcTemplate

This is an example of how to insert a record to the database using the JdbcTemplate class provided by the Spring Framework. The JdbcTemplate class is the central class in the JDBC core package. It simplifies the use of JDBC and helps to avoid common errors. It executes core JDBC workflow, leaving application code to provide SQL and extract results. ...

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