EL

本文主要介绍了...(由于未提供具体博客内容,无法生成精确摘要)。

 

 

转载于:https://www.cnblogs.com/Levi1995/p/6064373.html

标题基于Python的自主学习系统后端设计与实现AI更换标题第1章引言介绍自主学习系统的研究背景、意义、现状以及本文的研究方法和创新点。1.1研究背景与意义阐述自主学习系统在教育技术领域的重要性和应用价值。1.2国内外研究现状分析国内外在自主学习系统后端技术方面的研究进展。1.3研究方法与创新点概述本文采用Python技术栈的设计方法和系统创新点。第2章相关理论与技术总结自主学习系统后端开发的相关理论和技术基础。2.1自主学习系统理论阐述自主学习系统的定义、特征和理论基础。2.2Python后端技术栈介绍DjangoFlask等Python后端框架及其适用场景。2.3数据库技术讨论关系型和非关系型数据库在系统中的应用方案。第3章系统设计与实现详细介绍自主学习系统后端的设计方案和实现过程。3.1系统架构设计提出基于微服务的系统架构设计方案。3.2核心模块设计详细说明用户管理、学习资源管理、进度跟踪等核心模块设计。3.3关键技术实现阐述个性化推荐算法、学习行为分析等关键技术的实现。第4章系统测试与评估对系统进行功能测试和性能评估。4.1测试环境与方法介绍测试环境配置和采用的测试方法。4.2功能测试结果展示各功能模块的测试结果和问题修复情况。4.3性能评估分析分析系统在高并发等场景下的性能表现。第5章结论与展望总结研究成果并提出未来改进方向。5.1研究结论概括系统设计的主要成果和技术创新。5.2未来展望指出系统局限性并提出后续优化方向。
我提供给你一段sql,你需要修改一下,要求是所有关于查询el_requirement_apply和el_comp_info表的语句均需要增加del_flag = '0'的条件,修改完成后你需要将完整的代码返回给我,完整的sql如下: SELECT gen_random_uuid() AS id, (( SELECT count(1) AS count FROM el_comp_info WHERE ((substr((el_comp_info.unified_code)::text, 0, 3) = '91'::text) AND ( (EXISTS ( SELECT 1 from (select unified_code as uniscid from el_comp_info where private_enterprises = 'Y') feiminying WHERE ((el_comp_info.unified_code)::text = (feiminying.uniscid)::text)))) AND ((el_comp_info.del_flag)::text = '0'::text) AND ((el_comp_info.audit_status)::text = 'AUDITED'::text))))::numeric AS registeredenterprisenum, COALESCE(( SELECT count(1) AS count FROM el_granting_credit, el_financial_institution, el_requirement_apply WHERE (((el_requirement_apply.id)::text = (el_granting_credit.apply_id)::text) AND (substr((el_requirement_apply.unisc_id)::text, 0, 3) = '91'::text) AND ( (EXISTS ( SELECT 1 from (select unified_code as uniscid from el_comp_info where private_enterprises = 'Y') feiminying WHERE ((el_requirement_apply.unisc_id)::text = (feiminying.uniscid)::text)))) AND ((el_granting_credit.create_by)::text = (el_financial_institution.user_id)::text))), (0)::bigint) AS creditenterprisenum, COALESCE(( SELECT count(DISTINCT el_requirement_info.unisc_id) AS count FROM el_loan_grant, el_requirement_info, el_financial_institution WHERE ((substr((el_requirement_info.unisc_id)::text, 0, 3) = '91'::text) AND ( (EXISTS ( SELECT 1 from (select unified_code as uniscid from el_comp_info where private_enterprises = 'Y') feiminying WHERE ((el_requirement_info.unisc_id)::text = (feiminying.uniscid)::text)))) AND ((el_loan_grant.requirement_id)::text = (el_requirement_info.id)::text) AND ((el_financial_institution.user_id)::text = (el_loan_grant.create_by)::text))), (0)::bigint) AS loanenterprisenum, COALESCE(( SELECT count(DISTINCT el_requirement_info.unisc_id) AS count FROM el_loan_grant, el_requirement_info, el_financial_institution WHERE ((substr((el_requirement_info.unisc_id)::text, 0, 3) = '91'::text) AND ( (EXISTS ( SELECT 1 from (select unified_code as uniscid from el_comp_info where private_enterprises = 'Y') feiminying WHERE ((el_requirement_info.unisc_id)::text = (feiminying.uniscid)::text)))) AND ((el_loan_grant.requirement_id)::text = (el_requirement_info.id)::text) AND ((el_financial_institution.user_id)::text = (el_loan_grant.create_by)::text))), (0)::bigint) AS loanmicroenterprisenum, COALESCE(( SELECT sum(el_granting_credit.granting_amount) AS sum FROM el_granting_credit, el_financial_institution, el_requirement_apply WHERE (((el_requirement_apply.id)::text = (el_granting_credit.apply_id)::text) AND (substr((el_requirement_apply.unisc_id)::text, 0, 3) = '91'::text) AND ( (EXISTS ( SELECT 1 from (select unified_code as uniscid from el_comp_info where private_enterprises = 'Y') feiminying WHERE ((el_requirement_apply.unisc_id)::text = (feiminying.uniscid)::text)))) AND ((el_granting_credit.create_by)::text = (el_financial_institution.user_id)::text))), (0)::numeric) AS creditamount, COALESCE(( SELECT sum(el_loan_grant.grant_amount) AS sum FROM el_loan_grant, el_requirement_apply, el_financial_institution WHERE (((el_requirement_apply.id)::text = (el_loan_grant.apply_id)::text) AND (substr((el_requirement_apply.unisc_id)::text, 0, 3) = '91'::text) AND ( (EXISTS ( SELECT 1 from (select unified_code as uniscid from el_comp_info where private_enterprises = 'Y') feiminying WHERE ((el_requirement_apply.unisc_id)::text = (feiminying.uniscid)::text)))) AND ((el_loan_grant.create_by)::text = (el_financial_institution.user_id)::text))), (0)::numeric) AS loanamount, COALESCE(( SELECT sum(el_loan_grant.grant_amount) AS sum FROM el_loan_grant, el_requirement_apply, el_financial_institution WHERE (((el_requirement_apply.id)::text = (el_loan_grant.apply_id)::text) AND (substr((el_requirement_apply.unisc_id)::text, 0, 3) = '91'::text) AND ( (EXISTS ( SELECT 1 from (select unified_code as uniscid from el_comp_info where private_enterprises = 'Y') feiminying WHERE ((el_requirement_apply.unisc_id)::text = (feiminying.uniscid)::text)))) AND ((el_loan_grant.create_by)::text = (el_financial_institution.user_id)::text))), (0)::numeric) AS inclusivemicroenterpriseloanamount, COALESCE(( SELECT count(1) AS count FROM el_loan_grant, el_requirement_apply, el_financial_institution WHERE (((el_requirement_apply.id)::text = (el_loan_grant.apply_id)::text) AND (substr((el_requirement_apply.unisc_id)::text, 0, 3) = '91'::text) AND ( (EXISTS ( SELECT 1 from (select unified_code as uniscid from el_comp_info where private_enterprises = 'Y') feiminying WHERE ((el_requirement_apply.unisc_id)::text = (feiminying.uniscid)::text)))) AND ((el_loan_grant.create_by)::text = (el_financial_institution.user_id)::text))), (0)::bigint) AS loannum, COALESCE(( SELECT sum(el_loan_grant.grant_amount) AS sum FROM el_loan_grant, el_requirement_info, el_financial_institution WHERE ((substr((el_requirement_info.unisc_id)::text, 0, 3) = '91'::text) AND ( (EXISTS ( SELECT 1 from (select unified_code as uniscid from el_comp_info where private_enterprises = 'Y') feiminying WHERE ((el_requirement_info.unisc_id)::text = (feiminying.uniscid)::text)))) AND ((el_loan_grant.requirement_id)::text = (el_requirement_info.id)::text) AND (el_requirement_info.guarantee_mode = '5'::numeric) AND ((el_loan_grant.create_by)::text = (el_financial_institution.user_id)::text))), (0)::numeric) AS creditloanamount, COALESCE(( SELECT count(1) AS count FROM el_loan_grant, el_requirement_info, el_financial_institution WHERE ((substr((el_requirement_info.unisc_id)::text, 0, 3) = '91'::text) AND ( (EXISTS ( SELECT 1 from (select unified_code as uniscid from el_comp_info where private_enterprises = 'Y') feiminying WHERE ((el_requirement_info.unisc_id)::text = (feiminying.uniscid)::text)))) AND ((el_loan_grant.requirement_id)::text = (el_requirement_info.id)::text) AND (el_requirement_info.guarantee_mode = '5'::numeric) AND ((el_loan_grant.create_by)::text = (el_financial_institution.user_id)::text))), (0)::bigint) AS creditloannum, COALESCE(( SELECT sum(el_requirement_info.amount) AS sum FROM el_requirement_info, el_requirement_apply, el_financial_institution WHERE ((substr((el_requirement_info.unisc_id)::text, 0, 3) = '91'::text) AND ( (EXISTS ( SELECT 1 from (select unified_code as uniscid from el_comp_info where private_enterprises = 'Y') feiminying WHERE ((el_requirement_info.unisc_id)::text = (feiminying.uniscid)::text)))) AND ((el_requirement_info.id)::text = (el_requirement_apply.requirement_id)::text) AND ((el_requirement_apply.institution_id)::text = (el_financial_institution.id)::text))), (0)::numeric) AS financingneedsamount, COALESCE(( SELECT count(1) AS count FROM el_requirement_info, el_requirement_apply, el_financial_institution WHERE ((substr((el_requirement_info.unisc_id)::text, 0, 3) = '91'::text) AND ( (EXISTS ( SELECT 1 from (select unified_code as uniscid from el_comp_info where private_enterprises = 'Y') feiminying WHERE ((el_requirement_info.unisc_id)::text = (feiminying.uniscid)::text)))) AND ((el_requirement_info.id)::text = (el_requirement_apply.requirement_id)::text) AND ((el_financial_institution.id)::text = (el_requirement_apply.institution_id)::text))), (0)::bigint) AS financingneedsnum, COALESCE(( SELECT trunc(avg(to_number((el_loan_grant.loan_rate)::text, '0.00'::text)), 2) AS trunc FROM el_loan_grant, el_requirement_apply WHERE (((el_loan_grant.apply_id)::text = (el_requirement_apply.id)::text) AND (substr((el_requirement_apply.unisc_id)::text, 0, 3) = '91'::text) AND ( (EXISTS ( SELECT 1 from (select unified_code as uniscid from el_comp_info where private_enterprises = 'Y') feiminying WHERE ((el_requirement_apply.unisc_id)::text = (feiminying.uniscid)::text)))))), (0)::numeric) AS averagelendingrate, COALESCE(( SELECT count(DISTINCT el_requirement_info.unisc_id) AS count FROM el_loan_grant, el_requirement_info, el_financial_institution WHERE ((substr((el_requirement_info.unisc_id)::text, 0, 3) = '91'::text) AND ( (EXISTS ( SELECT 1 from (select unified_code as uniscid from el_comp_info where private_enterprises = 'Y') feiminying WHERE ((el_requirement_info.unisc_id)::text = (feiminying.uniscid)::text)))) AND (to_char(el_loan_grant.update_date, 'yyyy-mm'::text) = to_char(now(), 'yyyy-mm'::text)) AND ((el_loan_grant.requirement_id)::text = (el_requirement_info.id)::text) AND ((el_financial_institution.user_id)::text = (el_loan_grant.create_by)::text))), (0)::bigint) AS monthloanenterprisenum, COALESCE(( SELECT count(1) AS count FROM el_user_info rr, el_financial_institution tt WHERE (((rr.id)::text = (tt.user_id)::text) AND ((rr.user_type)::text = 'FI'::text) AND ((tt.parent_id)::text <> '-1'::text))), (0)::bigint) AS settledinfinancialinstitutionnum, COALESCE(( SELECT count(1) AS count FROM el_financial_product, el_financial_institution WHERE ((el_financial_product.create_by)::text = (el_financial_institution.user_id)::text)), (0)::bigint) AS financialproductsnum, COALESCE(( SELECT sum(el_loan_grant.grant_amount) AS sum FROM el_loan_grant, el_financial_institution, el_requirement_apply WHERE (((el_loan_grant.apply_id)::text = (el_requirement_apply.id)::text) AND (substr((el_requirement_apply.unisc_id)::text, 0, 3) = '91'::text) AND ( (EXISTS ( SELECT 1 from (select unified_code as uniscid from el_comp_info where private_enterprises = 'Y') feiminying WHERE ((el_requirement_apply.unisc_id)::text = (feiminying.uniscid)::text)))) AND (to_char(el_loan_grant.update_date, 'yyyy-mm'::text) = to_char(now(), 'yyyy-mm'::text)) AND ((el_loan_grant.create_by)::text = (el_financial_institution.user_id)::text))), (0)::numeric) AS monthloanamount, COALESCE(( SELECT count(1) AS count FROM el_loan_grant, el_financial_institution, el_requirement_apply WHERE (((el_loan_grant.apply_id)::text = (el_requirement_apply.id)::text) AND (substr((el_requirement_apply.unisc_id)::text, 0, 3) = '91'::text) AND ( (EXISTS ( SELECT 1 from (select unified_code as uniscid from el_comp_info where private_enterprises = 'Y') feiminying WHERE ((el_requirement_apply.unisc_id)::text = (feiminying.uniscid)::text)))) AND (to_char(el_loan_grant.update_date, 'yyyy-mm'::text) = to_char(now(), 'yyyy-mm'::text)) AND ((el_loan_grant.create_by)::text = (el_financial_institution.user_id)::text))), (0)::bigint) AS monthloannum, COALESCE(( SELECT sum(el_loan_grant.grant_amount) AS sum FROM el_loan_grant, el_requirement_info, el_financial_institution WHERE ((substr((el_requirement_info.unisc_id)::text, 0, 3) = '91'::text) AND ( (EXISTS ( SELECT 1 from (select unified_code as uniscid from el_comp_info where private_enterprises = 'Y') feiminying WHERE ((el_requirement_info.unisc_id)::text = (feiminying.uniscid)::text)))) AND ((el_loan_grant.requirement_id)::text = (el_requirement_info.id)::text) AND (el_requirement_info.guarantee_mode = '5'::numeric) AND (to_char(el_loan_grant.update_date, 'yyyy-mm'::text) = to_char(now(), 'yyyy-mm'::text)) AND ((el_loan_grant.create_by)::text = (el_financial_institution.user_id)::text))), (0)::numeric) AS monthcreditloanamount, COALESCE(( SELECT count(1) AS count FROM el_loan_grant, el_requirement_info, el_financial_institution WHERE ((substr((el_requirement_info.unisc_id)::text, 0, 3) = '91'::text) AND ( (EXISTS ( SELECT 1 from (select unified_code as uniscid from el_comp_info where private_enterprises = 'Y') feiminying WHERE ((el_requirement_info.unisc_id)::text = (feiminying.uniscid)::text)))) AND ((el_loan_grant.requirement_id)::text = (el_requirement_info.id)::text) AND (el_requirement_info.guarantee_mode = '5'::numeric) AND (to_char(el_loan_grant.update_date, 'yyyy-mm'::text) = to_char(now(), 'yyyy-mm'::text)) AND ((el_loan_grant.create_by)::text = (el_financial_institution.user_id)::text))), (0)::bigint) AS monthcreditloannum, COALESCE(( SELECT sum(el_loan_grant.grant_amount) AS sum FROM el_loan_grant, el_requirement_apply, el_financial_institution WHERE (((el_loan_grant.apply_id)::text = (el_requirement_apply.id)::text) AND (substr((el_requirement_apply.unisc_id)::text, 0, 3) = '91'::text) AND ( (EXISTS ( SELECT 1 from (select unified_code as uniscid from el_comp_info where private_enterprises = 'Y') feiminying WHERE ((el_requirement_apply.unisc_id)::text = (feiminying.uniscid)::text)))) AND (to_char(el_loan_grant.update_date, 'yyyy-mm'::text) = to_char(now(), 'yyyy-mm'::text)) AND ((el_loan_grant.create_by)::text = (el_financial_institution.user_id)::text))), (0)::numeric) AS monthinclusivemicroenterpriseloanamount, COALESCE(( SELECT sum(el_requirement_info.amount) AS sum FROM el_requirement_info, el_requirement_apply, el_financial_institution WHERE ((substr((el_requirement_apply.unisc_id)::text, 0, 3) = '91'::text) AND ( (EXISTS ( SELECT 1 from (select unified_code as uniscid from el_comp_info where private_enterprises = 'Y') feiminying WHERE ((el_requirement_apply.unisc_id)::text = (feiminying.uniscid)::text)))) AND ((el_requirement_info.id)::text = (el_requirement_apply.requirement_id)::text) AND ((el_requirement_apply.institution_id)::text = (el_financial_institution.id)::text) AND (to_char(el_requirement_info.update_date, 'yyyy-mm'::text) = to_char(now(), 'yyyy-mm'::text)))), (0)::numeric) AS monthfinancingneedsamount, COALESCE(( SELECT count(1) AS count FROM el_requirement_info, el_requirement_apply, el_financial_institution WHERE ((substr((el_requirement_apply.unisc_id)::text, 0, 3) = '91'::text) AND ( (EXISTS ( SELECT 1 from (select unified_code as uniscid from el_comp_info where private_enterprises = 'Y') feiminying WHERE ((el_requirement_apply.unisc_id)::text = (feiminying.uniscid)::text)))) AND ((el_requirement_info.id)::text = (el_requirement_apply.requirement_id)::text) AND ((el_requirement_apply.institution_id)::text = (el_financial_institution.id)::text) AND (to_char(el_requirement_info.update_date, 'yyyy-mm'::text) = to_char(now(), 'yyyy-mm'::text)))), (0)::bigint) AS monthfinancingneedsnum, '2023-06-20 08:00:00'::text AS statisticsbegintime, now() AS statisticsendtime
07-26
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