• 大连中公优针对各岗位进行差异化培训
  • 大连中公优打造符合岗位规范的应聘者
  • 大连中公优专业的一对一服务指导

400-882-1933

Scala语言与Spark开发实战课:企业级数据分析人才培养全链路解析

Scala语言与Spark开发实战课:企业级数据分析人才培养全链路解析

授课机构: 大连中公优

上课地点: 校区地址

成交/评价:

联系电话: 400-882-1933

Scala语言与Spark开发实战课:企业级数据分析人才培养全链路解析课程详情

为什么企业需要Scala+Spark复合型人才?

在大数据技术高速发展的今天,企业对数据处理效率和分析深度的要求不断提升。Scala作为函数式编程与面向对象编程融合的语言,凭借其简洁的语法和强大的并发处理能力,成为Spark框架的首选开发语言。数据显示,超过80%的大数据企业在使用Spark进行海量数据处理时,会优先选择Scala作为开发语言。这一技术组合不仅能提升代码执行效率,更能满足实时数据处理、复杂算法应用等企业级场景需求。本课程正是基于这一行业趋势,聚焦Scala语言与Spark开发的深度融合教学。

四大核心培养目标:对标企业真实需求

课程设计紧密贴合企业实际业务场景,通过四大培养目标帮助学员掌握从技术应用到平台规划的全流程能力:

  • **Hive执行引擎升级Spark**:针对传统Hive处理效率低的痛点,系统讲解如何将Hive执行引擎迁移至Spark,提升数据处理速度3-5倍,适应企业实时数据分析需求。
  • **Spark SQL点击流日志处理**:围绕用户行为数据(如页面访问、按钮点击),学习使用Spark SQL完成日志清洗、维度关联、指标计算等全流程操作,输出可直接用于业务决策的分析报告。
  • **Spark业务数据处理实战**:覆盖电商、金融、物流等多行业数据场景,掌握Spark RDD、DataFrame等核心API的灵活运用,解决数据去重、聚合统计、关联分析等常见业务问题。
  • **海量数据分析平台规划**:从架构设计到资源调度,学习如何基于Spark构建企业级数据分析平台,包括集群规模评估、容错机制设计、性能优化策略等关键环节。

四大实训项目:在实战中掌握核心技能

区别于理论教学,课程设置四大高仿真实训项目,让学员在实际操作中深化技术理解:

1. Spark集群搭建与调优

从节点规划到集群部署,学员将亲手搭建包含Master、Worker节点的Spark集群,并通过调整内存分配、并行度设置等参数优化集群性能。项目中会引入真实企业数据量(100GB+),模拟高并发场景下的集群压力测试。

2. SparkStreaming实时数据外挂

针对企业实时监控需求,学习使用SparkStreaming对接Kafka消息队列,完成实时数据的接收、过滤、聚合操作。项目将模拟电商大促场景,处理每秒10万+条的用户行为数据流,输出实时成交金额、商品热度等核心指标。

3. 机器学习算法落地实践

以k-means聚类算法和贝叶斯分类算法为核心,学员将使用Spark MLlib库完成用户分群、风险预测等实际任务。项目中会提供金融行业真实交易数据,要求学员从数据清洗、特征工程到模型训练、效果评估全程参与,最终输出可落地的预测模型。

4. 点击流日志深度分析

围绕互联网产品用户行为日志,综合运用Spark SQL和Spark Core技术,完成用户访问路径分析、页面跳转流失率计算、关键转化节点识别等任务。项目输出包含可视化报表和优化建议,直接对标企业数据分析师的日常工作内容。

Scala与Spark:技术融合的底层逻辑

很多学员会疑惑:为什么Spark选择Scala作为主要开发语言?这需要从两者的技术特性说起。Scala的函数式编程特性(如高阶函数、不可变集合)天然适合处理大数据场景中的并行计算,其与JVM的深度集成了与Java生态的兼容;而Spark作为分布式计算框架,需要高效的内存管理和灵活的API设计,Scala的模式匹配、隐式转换等特性恰好能满足这些需求。课程中会通过具体代码示例,讲解Scala如何优化Spark任务的执行效率,以及如何利用Scala的特性简化Spark应用的开发流程。此外,针对Hive与Spark的协同使用,课程将重点解析两者在元数据管理、数据存储上的交互逻辑,帮助学员掌握混合架构下的最优解决方案。

三大核心优势:保障学习效果的关键支撑

1. 安全领域师资团队

讲师团队由360信息安全部、核心安全部、安全研究院等部门的技术专家组成,平均拥有8年以上企业实战经验。他们不仅熟悉Scala与Spark的技术细节,更能结合安全领域的海量数据处理案例(如日志分析、威胁检测),为学员讲解技术在实际业务中的延伸应用。课程中会穿插真实项目复盘,让学员了解企业级场景下的技术决策逻辑。

2. 全周期实战培养机制

课程深度融合360公司13年来积累的内部人才培养体系,从入学测试到项目答辩,建立“学习-练习-实战-反馈”的闭环机制。每个阶段设置明确的能力考核标准(如代码规范、任务完成度、性能优化指标),学员需通过阶段性测试后方可进入下一环节。同时,配备专属学习顾问,针对学员的薄弱环节提供个性化辅导方案。

3. 专业实训基地支持

优与360共建教学实训基地,配备企业级硬件设备(如高性能服务器集群、分布式存储系统)和真实生产环境。学员在实训过程中可直接使用企业级数据(经脱敏处理),模拟真实工作场景下的技术挑战。基地还设置专门的项目展厅,展示不同行业的Spark应用案例,帮助学员拓宽技术视野。

适合人群与学习收益

本课程适合有一定编程基础(如Java/Python)的开发者、大数据相关专业学生,以及希望转型数据开发/数据分析岗位的从业者。通过系统学习,学员将掌握:

  • Scala语言的核心语法与函数式编程思想;
  • Spark Core、Spark SQL、SparkStreaming的深度应用;
  • 企业级大数据平台的规划与搭建能力;
  • 机器学习算法在Spark框架下的落地经验。

无论你是想提升技术竞争力,还是希望进入大数据领域,这门课程都能为你提供从技术学习到实战的全链路支持。

大连中公优

大连中公优
认证 7 年

成立: 2006年

认证 地址认证 教学保障 在线预约 到店体验 售后支持
基本 文件 流程 错误 SQL 调试
  1. 请求信息 : 2026-06-19 12:39:52 HTTP/1.1 GET : http://www.edufv.com/s/2683/c/38698.html
  2. 运行时间 : 0.039284s [ 吞吐率:25.46req/s ] 内存消耗:396.95kb 文件加载:136
  3. 缓存信息 : 0 reads,0 writes
  1. /data/web/baijiao_branch_collect/public/index.php ( 0.79 KB )
  2. /data/web/baijiao_branch_collect/vendor/autoload.php ( 0.75 KB )
  3. /data/web/baijiao_branch_collect/vendor/composer/autoload_real.php ( 1.63 KB )
  4. /data/web/baijiao_branch_collect/vendor/composer/platform_check.php ( 0.90 KB )
  5. /data/web/baijiao_branch_collect/vendor/composer/ClassLoader.php ( 15.99 KB )
  6. /data/web/baijiao_branch_collect/vendor/composer/autoload_static.php ( 4.26 KB )
  7. /data/web/baijiao_branch_collect/vendor/topthink/think-helper/src/helper.php ( 8.34 KB )
  8. /data/web/baijiao_branch_collect/vendor/topthink/think-validate/src/helper.php ( 2.19 KB )
  9. /data/web/baijiao_branch_collect/vendor/topthink/think-orm/src/helper.php ( 1.47 KB )
  10. /data/web/baijiao_branch_collect/vendor/topthink/think-orm/stubs/load_stubs.php ( 0.16 KB )
  11. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/think/Exception.php ( 1.69 KB )
  12. /data/web/baijiao_branch_collect/vendor/topthink/think-container/src/Facade.php ( 2.71 KB )
  13. /data/web/baijiao_branch_collect/vendor/symfony/deprecation-contracts/function.php ( 0.99 KB )
  14. /data/web/baijiao_branch_collect/vendor/symfony/polyfill-mbstring/bootstrap.php ( 8.26 KB )
  15. /data/web/baijiao_branch_collect/vendor/symfony/polyfill-mbstring/bootstrap80.php ( 9.78 KB )
  16. /data/web/baijiao_branch_collect/vendor/symfony/var-dumper/Resources/functions/dump.php ( 1.49 KB )
  17. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/think/App.php ( 15.30 KB )
  18. /data/web/baijiao_branch_collect/vendor/topthink/think-container/src/Container.php ( 15.76 KB )
  19. /data/web/baijiao_branch_collect/vendor/psr/container/src/ContainerInterface.php ( 1.02 KB )
  20. /data/web/baijiao_branch_collect/app/provider.php ( 0.19 KB )
  21. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/think/Http.php ( 6.04 KB )
  22. /data/web/baijiao_branch_collect/vendor/topthink/think-helper/src/helper/Str.php ( 7.29 KB )
  23. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/think/Env.php ( 4.68 KB )
  24. /data/web/baijiao_branch_collect/app/common.php ( 10.83 KB )
  25. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/helper.php ( 18.78 KB )
  26. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/think/Config.php ( 5.54 KB )
  27. /data/web/baijiao_branch_collect/config/app.php ( 1.29 KB )
  28. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/think/facade/Env.php ( 1.67 KB )
  29. /data/web/baijiao_branch_collect/config/cache.php ( 1.22 KB )
  30. /data/web/baijiao_branch_collect/config/config.php ( 0.26 KB )
  31. /data/web/baijiao_branch_collect/config/console.php ( 0.29 KB )
  32. /data/web/baijiao_branch_collect/config/cookie.php ( 0.56 KB )
  33. /data/web/baijiao_branch_collect/config/database.php ( 2.29 KB )
  34. /data/web/baijiao_branch_collect/config/filesystem.php ( 0.63 KB )
  35. /data/web/baijiao_branch_collect/config/lang.php ( 0.81 KB )
  36. /data/web/baijiao_branch_collect/config/log.php ( 1.37 KB )
  37. /data/web/baijiao_branch_collect/config/middleware.php ( 0.19 KB )
  38. /data/web/baijiao_branch_collect/config/route.php ( 1.54 KB )
  39. /data/web/baijiao_branch_collect/config/session.php ( 0.57 KB )
  40. /data/web/baijiao_branch_collect/config/trace.php ( 0.34 KB )
  41. /data/web/baijiao_branch_collect/config/view.php ( 0.81 KB )
  42. /data/web/baijiao_branch_collect/app/event.php ( 0.25 KB )
  43. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/think/Event.php ( 7.67 KB )
  44. /data/web/baijiao_branch_collect/app/service.php ( 0.13 KB )
  45. /data/web/baijiao_branch_collect/app/AppService.php ( 0.26 KB )
  46. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/think/Service.php ( 1.64 KB )
  47. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/think/Lang.php ( 7.35 KB )
  48. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/lang/zh-cn.php ( 13.70 KB )
  49. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/think/initializer/Error.php ( 3.31 KB )
  50. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/think/initializer/RegisterService.php ( 1.33 KB )
  51. /data/web/baijiao_branch_collect/vendor/services.php ( 0.14 KB )
  52. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/think/service/PaginatorService.php ( 1.52 KB )
  53. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/think/service/ValidateService.php ( 0.99 KB )
  54. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/think/service/ModelService.php ( 2.04 KB )
  55. /data/web/baijiao_branch_collect/vendor/topthink/think-trace/src/Service.php ( 0.77 KB )
  56. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/think/Middleware.php ( 6.72 KB )
  57. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/think/initializer/BootService.php ( 0.77 KB )
  58. /data/web/baijiao_branch_collect/vendor/topthink/think-orm/src/Paginator.php ( 11.86 KB )
  59. /data/web/baijiao_branch_collect/vendor/topthink/think-validate/src/Validate.php ( 63.20 KB )
  60. /data/web/baijiao_branch_collect/vendor/topthink/think-orm/src/Model.php ( 23.55 KB )
  61. /data/web/baijiao_branch_collect/vendor/topthink/think-orm/src/model/concern/Attribute.php ( 21.05 KB )
  62. /data/web/baijiao_branch_collect/vendor/topthink/think-orm/src/model/concern/AutoWriteData.php ( 4.20 KB )
  63. /data/web/baijiao_branch_collect/vendor/topthink/think-orm/src/model/concern/Conversion.php ( 6.75 KB )
  64. /data/web/baijiao_branch_collect/vendor/topthink/think-orm/src/model/concern/DbConnect.php ( 5.16 KB )
  65. /data/web/baijiao_branch_collect/vendor/topthink/think-orm/src/model/concern/ModelEvent.php ( 2.33 KB )
  66. /data/web/baijiao_branch_collect/vendor/topthink/think-orm/src/model/concern/RelationShip.php ( 28.30 KB )
  67. /data/web/baijiao_branch_collect/vendor/topthink/think-helper/src/contract/Arrayable.php ( 0.09 KB )
  68. /data/web/baijiao_branch_collect/vendor/topthink/think-helper/src/contract/Jsonable.php ( 0.13 KB )
  69. /data/web/baijiao_branch_collect/vendor/topthink/think-orm/src/model/contract/Modelable.php ( 0.09 KB )
  70. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/think/Db.php ( 2.88 KB )
  71. /data/web/baijiao_branch_collect/vendor/topthink/think-orm/src/DbManager.php ( 8.52 KB )
  72. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/think/Log.php ( 6.28 KB )
  73. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/think/Manager.php ( 3.92 KB )
  74. /data/web/baijiao_branch_collect/vendor/psr/log/src/LoggerTrait.php ( 2.69 KB )
  75. /data/web/baijiao_branch_collect/vendor/psr/log/src/LoggerInterface.php ( 2.71 KB )
  76. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/think/Cache.php ( 4.92 KB )
  77. /data/web/baijiao_branch_collect/vendor/psr/simple-cache/src/CacheInterface.php ( 4.71 KB )
  78. /data/web/baijiao_branch_collect/vendor/topthink/think-helper/src/helper/Arr.php ( 17.45 KB )
  79. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/think/cache/driver/Redis.php ( 6.94 KB )
  80. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/think/cache/Driver.php ( 9.03 KB )
  81. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/think/contract/CacheHandlerInterface.php ( 1.99 KB )
  82. /data/web/baijiao_branch_collect/app/Request.php ( 0.09 KB )
  83. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/think/Request.php ( 55.78 KB )
  84. /data/web/baijiao_branch_collect/app/middleware.php ( 0.26 KB )
  85. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/think/Pipeline.php ( 2.61 KB )
  86. /data/web/baijiao_branch_collect/vendor/topthink/think-trace/src/TraceDebug.php ( 3.40 KB )
  87. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/think/Route.php ( 23.73 KB )
  88. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/think/route/RuleName.php ( 5.75 KB )
  89. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/think/route/Domain.php ( 2.53 KB )
  90. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/think/route/RuleGroup.php ( 22.43 KB )
  91. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/think/route/Rule.php ( 26.95 KB )
  92. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/think/route/RuleItem.php ( 9.78 KB )
  93. /data/web/baijiao_branch_collect/route/app.php ( 3.05 KB )
  94. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/think/facade/Route.php ( 4.70 KB )
  95. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/think/route/dispatch/Controller.php ( 4.74 KB )
  96. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/think/route/Dispatch.php ( 10.44 KB )
  97. /data/web/baijiao_branch_collect/app/controller/Index.php ( 33.26 KB )
  98. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/think/facade/Request.php ( 9.20 KB )
  99. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/think/route/Url.php ( 14.07 KB )
  100. /data/web/baijiao_branch_collect/app/model/IndexModel.php ( 19.95 KB )
  101. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/think/facade/Config.php ( 1.37 KB )
  102. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/think/facade/Cache.php ( 2.06 KB )
  103. /data/web/baijiao_branch_collect/vendor/topthink/think-orm/src/facade/Db.php ( 0.93 KB )
  104. /data/web/baijiao_branch_collect/vendor/topthink/think-orm/src/db/connector/Mysql.php ( 5.73 KB )
  105. /data/web/baijiao_branch_collect/vendor/topthink/think-orm/src/db/PDOConnection.php ( 53.74 KB )
  106. /data/web/baijiao_branch_collect/vendor/topthink/think-orm/src/db/Connection.php ( 8.39 KB )
  107. /data/web/baijiao_branch_collect/vendor/topthink/think-orm/src/db/ConnectionInterface.php ( 4.57 KB )
  108. /data/web/baijiao_branch_collect/vendor/topthink/think-orm/src/db/builder/Mysql.php ( 16.58 KB )
  109. /data/web/baijiao_branch_collect/vendor/topthink/think-orm/src/db/Builder.php ( 24.07 KB )
  110. /data/web/baijiao_branch_collect/vendor/topthink/think-orm/src/db/BaseBuilder.php ( 27.50 KB )
  111. /data/web/baijiao_branch_collect/vendor/topthink/think-orm/src/db/Query.php ( 15.97 KB )
  112. /data/web/baijiao_branch_collect/vendor/topthink/think-orm/src/db/BaseQuery.php ( 45.13 KB )
  113. /data/web/baijiao_branch_collect/vendor/topthink/think-orm/src/db/concern/TimeFieldQuery.php ( 7.43 KB )
  114. /data/web/baijiao_branch_collect/vendor/topthink/think-orm/src/db/concern/AggregateQuery.php ( 3.26 KB )
  115. /data/web/baijiao_branch_collect/vendor/topthink/think-orm/src/db/concern/ModelRelationQuery.php ( 20.07 KB )
  116. /data/web/baijiao_branch_collect/vendor/topthink/think-orm/src/db/concern/ParamsBind.php ( 3.66 KB )
  117. /data/web/baijiao_branch_collect/vendor/topthink/think-orm/src/db/concern/ResultOperation.php ( 7.01 KB )
  118. /data/web/baijiao_branch_collect/vendor/topthink/think-orm/src/db/concern/WhereQuery.php ( 19.37 KB )
  119. /data/web/baijiao_branch_collect/vendor/topthink/think-orm/src/db/concern/JoinAndViewQuery.php ( 7.11 KB )
  120. /data/web/baijiao_branch_collect/vendor/topthink/think-orm/src/db/concern/TableFieldInfo.php ( 2.63 KB )
  121. /data/web/baijiao_branch_collect/vendor/topthink/think-orm/src/db/concern/Transaction.php ( 2.77 KB )
  122. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/think/log/driver/File.php ( 5.96 KB )
  123. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/think/contract/LogHandlerInterface.php ( 0.86 KB )
  124. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/think/log/Channel.php ( 3.89 KB )
  125. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/think/event/LogRecord.php ( 1.02 KB )
  126. /data/web/baijiao_branch_collect/vendor/topthink/think-helper/src/Collection.php ( 16.47 KB )
  127. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/think/Response.php ( 8.81 KB )
  128. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/think/response/View.php ( 3.29 KB )
  129. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/think/Cookie.php ( 6.06 KB )
  130. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/think/View.php ( 4.39 KB )
  131. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/think/view/driver/Php.php ( 6.44 KB )
  132. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/think/contract/TemplateHandlerInterface.php ( 1.60 KB )
  133. /data/web/baijiao_branch_collect/view/index/pc/school_course_details.php ( 6.12 KB )
  134. /data/web/baijiao_branch_collect/view/index/pc/school_top.php ( 5.76 KB )
  135. /data/web/baijiao_branch_collect/view/index/pc/school_bottom.php ( 1.16 KB )
  136. /data/web/baijiao_branch_collect/vendor/topthink/think-trace/src/Html.php ( 4.42 KB )
  1. CONNECT:[ UseTime:0.000413s ] mysql:host=127.0.0.1;port=3306;dbname=baijiao_branch_collect;charset=utf8
  2. SHOW FULL COLUMNS FROM `fqi_school` [ RunTime:0.001063s ]
  3. SELECT * FROM `fqi_school` WHERE `school_id` = '2683' AND `site_id` = 6 AND `school_status` = 1 LIMIT 1 [ RunTime:0.000276s ]
  4. SHOW FULL COLUMNS FROM `fqi_school_class` [ RunTime:0.000622s ]
  5. SELECT * FROM `fqi_school_class` WHERE `school_id` = 2683 [ RunTime:0.000219s ]
  6. SHOW FULL COLUMNS FROM `fqi_school_campus` [ RunTime:0.000589s ]
  7. SELECT * FROM `fqi_school_campus` WHERE `school_id` = 2683 [ RunTime:0.000205s ]
  8. SHOW FULL COLUMNS FROM `fqi_school_course` [ RunTime:0.000664s ]
  9. SELECT `a`.*,`content` FROM `fqi_school_course` `a` LEFT JOIN `fqi_school_course_content` `b` ON `b`.`content_id`=`a`.`content_id` WHERE `school_id` = 2683 AND `a`.`content_id` = '38698' AND `course_status` = 1 AND `school_status` = 1 LIMIT 1 [ RunTime:0.000567s ]
  10. (select content_id,course_name from fqi_school_course where school_id = '2683' and content_id < '38698' and site_id = '6' order by content_id desc limit 1) union all(select content_id,course_name from fqi_school_course where school_id = '2683' and content_id > '38698' and site_id <= '6' order by content_id asc limit 1) [ RunTime:0.000751s ]
  11. SELECT * FROM `fqi_school_course` WHERE `school_id` = 2683 AND `site_id` = 6 AND `course_status` = 1 AND `school_status` = 1 AND `school_class_id` = 10141 ORDER BY `course_id` DESC LIMIT 4 [ RunTime:0.000284s ]
  12. SELECT * FROM `fqi_school_course` WHERE `school_id` = 2683 AND `site_id` = 6 AND `course_status` = 1 AND `school_status` = 1 ORDER BY `course_id` DESC LIMIT 10 [ RunTime:0.000240s ]
  13. SELECT COUNT(*) AS think_count FROM `fqi_school_course` WHERE `school_id` = 2683 AND `course_status` = 1 [ RunTime:0.000163s ]
  14. SHOW FULL COLUMNS FROM `fqi_school_teacher` [ RunTime:0.000594s ]
  15. SELECT COUNT(*) AS think_count FROM `fqi_school_teacher` WHERE `school_id` = '2683' [ RunTime:0.000217s ]
  16. SHOW FULL COLUMNS FROM `fqi_school_comments` [ RunTime:0.000567s ]
  17. SELECT COUNT(*) AS think_count FROM `fqi_school_comments` WHERE `school_id` = '2683' [ RunTime:0.000177s ]
  18. SELECT `content_id`,`course_name`,`a`.`school_id`,`b`.`school_name` FROM `fqi_school_course` `a` LEFT JOIN `fqi_school` `b` ON `b`.`school_id`=`a`.`school_id` WHERE `a`.`site_id` = '6' AND `b`.`school_status` = '1' AND `course_status` = 1 AND `course_id` < '38698' ORDER BY `content_id` DESC LIMIT 20 [ RunTime:0.027881s ]
0.039624s