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  <title>Ebean ORM for Java & Kotlin</title>
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  <section>
    <h3>Search documentation</h3>
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    <h1><img src="/images/logo-200.png" width="120"> Ebean ORM</h1>
    <h2>Persistence for Java & Kotlin</h2>
    <div class="links">
      <h4><a class="bright-link" href="/docs/getting-started"><i class="fas fa-angle-right"></i> Getting started</a></h4>
      <h4><a href="/docs"><i class="fas fa-angle-right"></i> Documentation</a></h4>
      <h4><a href="https://github.com/ebean-orm"><i class="fas fa-angle-right"></i> Github</a></h4>
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    <div id="sponsors">
      <h4 class="mtx"><a href="/sponsors">premium sponsors</a></h4>
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  <section class="grid g3 mtx">
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      <h3>Databases supported</h3>
      <p>
        <a href="/docs/database/h2">H2</a>,
        <a href="/docs/database/postgres">Postgres</a>,
        <a href="/docs/database/mysql">MySql</a>,
        <a href="/docs/database/nuodb">NuoDB</a>,
        <a href="/docs/database/postgres/postgis">PostGIS</a>,
        <a href="/docs/database/mariadb">MariaDB</a>,
        <a href="/docs/database/sqlserver">SQL Server</a>,
        <a href="/docs/database/oracle">Oracle</a>,
        <a href="/docs/database/hana">SAP Hana</a>,
        <a href="/docs/database/cockroach">CockroachDB</a>,
        <a href="/docs/database/clickhouse">Clickhouse</a>,
        <a href="/docs/database/sqlite">Sqlite</a>.
      </p>
    </div>

    <div class="col-md-4">
      <h3>Multiple abstraction levels</h3>
      <p>
        Ebean provides multiple levels of query abstraction.
      </p>
      <ul>
        <li><a href="/docs/intro/queries/orm-query">ORM Queries, mixed with SQL</a></li>
        <li><a href="/docs/intro/queries/dto-query">DTO Queries</a></li>
        <li><a href="/docs/intro/queries/sql-query">SqlQuery and JDBC</a></li>
      </ul>
      <p>
        Work at the highest level of abstraction and drop down levels as needed.
      </p>
    </div>

    <div class="col-md-4">
      <h3>Benefits of ORM</h3>
      <ul>
        <li>Automatically avoid N+1</li>
        <li>L2 caching to reduce database load</li>
        <li>Queries mixing database and L2 cache</li>
        <li>Automatically tune ORM queries</li>
        <li>Elasticsearch for search or L3 cache.</li>
      </ul>
    </div>

    <div class="col-md-4">
      <h3>Docker test containers</h3>
      <p>
        <a href="/docs/testing">Docker test containers</a> for all the supported databases.
      </p>
      <p>
        Get 100% test coverage on all the features of the database we use.
      </p>
    </div>
    <div class="col-md-4">
      <h3>Database migrations</h3>
      <p>
        Built in <a href="/docs/db-migrations">DB migration</a> generation and running.
      </p>
      <p>
        Support for "rebase" migrations as well as repeatable, init and 'normal' migrations.
      </p>
    </div>

    <div class="col-md-4">
      <h3>Type safe queries</h3>
      <p>
        We can build queries using type safe <a href="/docs/query/query-beans">query beans</a>.
      <p>
      <p>
        IDE auto-complete when writing queries, compile time checking and it's FUN.
      </p>
    </div>

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      <h3>Automated query tuning</h3>
      <p>
        For ORM queries Ebean can profile the object graph being used and either
        <a href="/docs/query/background/autotune">automatically tune the query</a>.
      </p>
    </div>

    <div class="col-md-4">
      <h3>Awesome SQL</h3>
      <p>
        Ebean produces SQL that you would hand craft yourself.
      </p>
      <p>
        Use great SQL, never generate SQL cartesian product, always honor relational limit/offset.
      </p>
    </div>

    <div class="col-md-4">
      <h3>Performance isn't optional</h3>
      <p>
        <a href="/docs/query/fetchgroup">Optimise queries</a> to only fetch what we need (partial objects).
      </p>
      <p>
        Automatically avoid N+1 via a smart load context.
      </p>
    </div>

  </section>


  <section class="mtx" style="text-align: center;">
    <h4><a href="/sponsors">silver sponsors</a></h4>

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      <span class="initials">MH</span>
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    <span class="avatar-name">Maximilian Holtzberg</span>

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      <span class="initials">SH</span>
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    <span class="avatar-name">Szabolcs Hubai</span>

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    <span class="avatar-name">Al-Mothafar Al-Hasan</span>

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    <span class="avatar-name">Sando Leinzinger</span>
  </section>


  <p class="mtx">&nbsp;</p>
  <h2>About Ebean</h2>

  <section class="grid g2 summary">
    <aside>
      <h3>JPA Mapping</h3>
      <p>
        Ebean uses JPA mapping annotations.
      </p>
      <p>
        Extra mappings ebean provides include:<br>
        <a href="/docs/mapping/extensions/dbjson">@DbJson</a>,
        <a href="/docs/mapping/extensions/dbarray">@DbArray</a>,
        <a href="/docs/mapping/extensions/dbpartition">@DbPartition</a>,
        <a href="/docs/mapping/extensions/history">@History</a>,
        <a href="/docs/mapping/extensions/when-modified">@WhenModified</a>,
        <a href="/docs/mapping/extensions/who-modified">@WhoModified</a>,
        <a href="/docs/mapping/extensions/soft-delete">@SoftDelete</a>,
        <a href="/docs/mapping/extensions/encrypted">@Encrypted</a>
        <a href="/docs/mapping/">more ...</a>
      </p>
    </aside>
    <div>
      <pre content="java">
        @Entity
        @Table(name="customer")
        public class Customer extends BaseModel {

          @Column(length=100)
          String name;

          @ManyToOne(cascade=CascadeType.ALL)
          Address billingAddress;

          @OneToMany(mappedBy="customer")
          List<|Contact> contacts;
          ...
      </pre>
    </div>

    <aside>
      <h3>Simple to use</h3>
      <p>
        Ebean provides a simple programming model that developers can
        understand and master quickly.
      </p>
    </aside>
    <div>
      <pre content="java">
        // insert ...
        Customer customer = new Customer("Joe");
        customer.save();

        ...

        // find and update ...
        Customer customer = Customer.find.byId(42);
        customer.setName("Montana");
        customer.save();
      </pre>
    </div>
    <aside>
      <h3>Type safe queries</h3>
      <p>
        We can use <a href="/docs/query/query-beans">Query beans</a> to build queries in a type safe manner.
      </p>
    </aside>
    <div>
      <pre content="java">
        List<|Customer> customers =

          new QCustomer()
            .name.istartsWith("rob")
            .billingAddress.city.equalTo("Auckland")
            .setMaxRows(10)
            .orderBy()
              .name.asc()
            .findList();
      </pre>

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