public static String getCheckSchema(String schemaName) {
        final StringBuilder sqlBuilder = new StringBuilder()
                .append("SELECT COUNT(1) FROM INFORMATION_SCHEMA.SCHEMATA WHERE SCHEMA_NAME ='")
                .append(schemaName)
                .append("';");
        LOGGER.info("check schema sql: {}", sqlBuilder);
        return sqlBuilder.toString();
    }
Build SQL to check whether the schema exists.

@param schemaName
@return
inlong-manager/manager-service/src/main/java/org/apache/inlong/manager/service/resource/sink/sqlserver/SQLServerSqlBuilder.java