Spring Jdbc Insert Sql Get Generated Key
The Microsoft JDBC Driver for SQL Server supports the optional JDBC 3.0 APIs to retrieve automatically generated row identifiers. The main value of this feature is to provide a way to make IDENTITY values available to an application that is updating a database table without a requiring a query and a second round-trip to the server.
Feb 22, 2016 This post provides code example that gets the value of the newly inserted record in database using JDBC. Some database operations, especially those involving parent-child relationships (one-to-many), you may want to insert a record into the parent table first, then into the child table. Jul 10, 2010 Spring JDBC FAQ: How do I retrieve the auto-generated database key for a serial field (also known as an autoincrement field in MySQL) after I perform a SQL INSERT using Spring JDBC? (I'm not phrasing that well, but by this question I mean the value of the primary key for the record I just inserted. This field is known as an auto. When we are inserting a record into the database table and the primary key is an auto-increment or auto-generated key, then the insert query will generate it dynamically. The below example shows how to get this key after insert statement. After perfoming executeUpdate method on PreparedStatement, call getGeneratedKeys method on PreparedStatement. Sep 02, 2008 Jive Software Version: 8.0.3.1, revision: 2626.1619a91.release8.0.3.x. Spring provides an easy way to get this auto-generated key using KeyHolder which is supported Spring JDBC 3 onwards. For this tutorial we will create a standalone maven project in Eclipse. If you already have an idea on how to create a maven project in Eclipse will be great otherwise I will tell you here how to create a maven project in Eclipse. Here's a quick look at how to get the generated key from a MySQL database table after performing a SQL INSERT statement on a table that has an autoincrement field. (Some databases also refer to this as an identity field.).
Because SQL Server doesn't support pseudo columns for identifiers, updates that have to use the auto-generated key feature must operate against a table that contains an IDENTITY column. SQL Server allows only a single IDENTITY column per table. The result set that is returned by getGeneratedKeys method of the SQLServerStatement class will have only one column, with the returned column name of GENERATED_KEYS. If generated keys are requested on a table that has no IDENTITY column, the JDBC driver will return a null result set.
As an example, create the following table in the sample database:
In the following example, an open connection to the sample database is passed in to the function, an SQL statement is constructed that will add data to the table, and then the statement is run and the IDENTITY column value is displayed.
See also
By Yashwant Chavan, Views 68064, Last updated on 13-Feb-2019
JDBC 3.0 introduced to get auto generated keys using getGeneratedKeys() method, It return the ResultSet object with the help of next() method of result set we retrieve the auto generated key value.
tags java
Mysql Auto generated Key Value
Sometimes we need to retrive auto generated key for the inserted statement. Refer the below example to get the Auto generated emp_id column value using JDBC.Get the Statement from Jdbc Connection. Statement object use to sending SQL statements to the database.
Executes the below program, Which insert the record in the trn_employee table. After record insertion it return the auto generated primary key value
getGeneratedKeys() method returns the ResultSet object and from that we retrive the primary key number.
Note : On Every execution of program , it generates next auto incremented number.
Output
Mati
Statement.RETURN_GENERATED_KEYS
Spring Jdbc Insert Sql Get Generated Key Code
is missing from the executeUpdate
Yashwant
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