mul-agent-virtual-simulation-system/server/src/main/resources/db/changelog/db-server.xml

<?xml version="1.0" encoding="utf-8"?>
<databaseChangeLog
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xmlns="http://www.liquibase.org/xml/ns/dbchangelog"
    xsi:schemaLocation="http://www.liquibase.org/xml/ns/dbchangelog http://www.liquibase.org/xml/ns/dbchangelog/dbchangelog-3.5.xsd">

    <property name="schema.name" value="${database.defaultSchemaName}"/>
    <property name="catalog.name" value="${database.defaultCatalogName}"/>

    <property name="clob.type" value="longtext" dbms="h2"/>
    <property name="clob.type" value="longtext" dbms="mysql,mariadb"/>
    <property name="clob.type" value="clob"/>

    <property name="autoing.type" value="bigint(20)" dbms="h2"/>
    <property name="autoing.type" value="bigint(20)" dbms="mysql,mariadb"/>
    <property name="autoing.type" value="serial"/>

    <property name="number.type" value="bigint" dbms="h2"/>
    <property name="number.type" value="int" dbms="mysql,mariadb"/>
    <property name="number.type" value="serial"/>

    <property name="now" value="now()" dbms="h2"/>
    <property name="now" value="now()" dbms="mysql,mariadb"/>
    <property name="now" value="sysdate"/>

    <changeSet author="zhanghaijun" id="mysql_charsets_change" runOnChange="true" runAlways="true" failOnError="false" dbms="mysql,mariadb">
        <validCheckSum>ANY</validCheckSum>
        <sql dbms="mysql,mariadb" splitStatements="true" stripComments="true">
            ALTER DATABASE ${schema.name} DEFAULT CHARACTER SET utf8mb4 DEFAULT COLLATE utf8mb4_bin
        </sql>
    </changeSet>

    <include relativeToChangelogFile="true" file="db-server-train"/>

</databaseChangeLog>