andt

Oracle删除重复的数据，Oracle数据去重复

*fromemployeet1where(t1.emp_name)in(SELECTt2.emp_namefromemployeet2groupbyemp_namehavingcount(*)>1)andt1
·2019-09-24 03:00

Sql Server中判断表、列不存在则创建的方法

中的字段C是否存在两个方法：第一种方法IFEXISTS(SELECT1FROMSYSOBJECTST1INNERJOINSYSCOLUMNST2ONT1.ID=T2.IDWHERET1.NAME='A'ANDT2
·2019-09-22 20:52

执行sql报错 ERROR 1055 (42000): xxx; this is incompatible with sql_mode=only_full_group_by

>SELECTb.pluginId,b.versionFROM(SELECTt.plugin_idASpluginId,t.versionFROMtable1astWHEREt.is_deploy=1ANDt.is_delete
imfx·2019-09-12 10:00

Doesn't work on Excel 2016 and macOS High Sierra

希望能帮助到大家I’vemacOSHighSierra10.13.3.UsingthepackageinstallerIinstalledthemostrecentiODBCAdministrator3.52.12andt
AliceGreek·2019-09-03 10:17

Docker的基本用法

dockerpsdockerimagelsdockercontainerlsdockerhistoryubuntu:latestdockerrun-it-p8000:8000yhyang/andt_pro
xiaoyu2012·2019-05-17 09:34

mysql随机获取表数据

FROMgeo_road_status)-(SELECTMIN(id)FROMgeo_road_status))+(SELECTMIN(id)FROMgeo_road_status))id)t2WHERE1=1ANDt1
Lian_Sir·2019-05-16 16:34

mybatis注解中使用@Select()注解

"+"INNERJOINtable2t2ont2.userId=t.userId"+"INNERJOINtable3t3ont3.userId=t.userIdWHEREt.isdelete=0"+"andt.t
榕吖榕·2019-05-16 11:05

SQL 难点解决：循环计算

1、求20以内的质数MySQL8:withrecursivet(n)as(select1unionallselectn+1fromtwheren1andt2.n
raqsoft·2019-04-04 17:37

【帝国CMS】灵动标签SQL调用广告系统里的广告

实例：[e:loop={"select*fromphome_enewsadwhereadidin(1,2,3)andt=0orderbyadiddesclimit20",0,24}]"target="_
GLyihu·2019-04-03 10:34

Mysql执行计划（Explain）说明

blog.csdn.net/tianlesoftware/article/details/7043794Dependingonthedetailsofyourtables,columns,indexes,andt
RedeLego·2019-03-30 11:58

1003 我要通过！ （20 分)

(N):s=input()left=middle=right=p=t=0p_flag=t_flag=is_not_legel=Falseforiinrange(len(s)):if(s[i]=='P'andt_flag
Jack_0601·2019-03-18 20:01

Mysql等待事件

查看配置表如下：mysql>SELECTtable_nameFROMinformation_schema.tablestWHEREt.table_schema='performance_schema'ANDt.table_nameLIKE'setup
翔之天空·2019-01-21 18:59

mapper where使用

ANDt1.fid=#{id,jdbcType=VARCHAR}jdbctype一定要写
csdn_Wolf_HQ·2018-12-11 09:54

6-7 Isomorphic

Twotrees,T1andT2,areisomorphicifT1canbetransformedintoT2byswappingleftandrightchildrenof(someofthe)nodesinT1
弱爆了的雪饼·2018-12-07 20:29

Leetcode 187. Repeated DNA Sequences 解法

Leetcode187.RepeatedDNASequencesAllDNAiscomposedofaseriesofnucleotidesabbreviatedasA,C,G,andT,forexample
Rayfong_Kwong·2018-12-04 23:08

phoenix 有时候不走二级索引 会 更快 /*+ NO_INDEX*/

selectseq_id,toyfromT_EXTENSION_SHOWwhereshow_date='2018-11-24'andemail='[email protected]')t1wheret1.toy='ambi'andt1
Cky079·2018-12-04 10:07

MyBaties中xml文件之SQL使用IN查询

FROMTABLETWHERET.FIELDIN(‘01’,'02',‘03’)SELECTCOUNT(*)FROMDAB_DYINFOT1,T_S_USERT2WHERET1.USERID=T2.IDANDT1.DAB_ISDY='1'ANDT2
RobotMege·2018-11-23 15:54

Hive SQL on where 优化

*fromAfjoinBton(f.id=t.idandf.分区=20181111andt.分区=20181111)2.selectt.
Lyle-liang·2018-11-13 16:47

mybatis条件过滤时候碰到个奇葩的问题，真的太奇葩了

andt.handle_state=#{handleState,jdbcType=DECIMAL}上面是where子句的条件判断，handleState定义的是短整型short类型，传递数字2的时候可以进行条件过滤
哎呦JT不错哦·2018-10-26 11:46

Example查询SQL之or查询and查询

*FROMDAA_ORGINFOTWHERET.DAA_ZTNO='参数'ANDT.ID='参数'ORT.DAA_ID_SJ='参数'因为Example‘没有直接写or的方法，所以需要通过and来构造改
RobotMege·2018-10-25 15:36

Mybatis异常There is no getter for property named 'XXX' in 'class java.lang.String'

Thereisnogetterforpropertynamed'XXX'in'classjava.lang.String'selectcount(*)fromTB_EMPC_BOOKING_ORDERTwhere(t.state='1'ort.state='2')andt.appointm
Alex_81D·2018-09-07 08:44

python 线程的Event

是把标志位清除set是设置标志位importtime,threadingF1=threading.Event()#设置一个Event实例deflighter():#t=0whileTrue:ift=5andt
shad_ow·2018-08-30 16:45

通过Explain查询sql执行计划

EXPLAINselectt.id,t.name,r.resultfromzt_taskt,tiz_zentao_resultrWHEREr.object_id=t.idandr.action='finished'andt.deleted
李娜 Andrea·2018-08-29 09:04

【oracle】oracle 查询某用户某段时间内历史SQL

user_idfromdba_hist_active_sess_historytwhereuser_id=(selectuser_idfromdba_userswhereusername='TEST')andt
debimeng·2018-08-10 09:53

SQL优化案例：相关子查询优化

SELECT1FROMt_payment_account_dtlt2WHEREt1.account_no=t2.account_noANDt2.parent_account_no='7311810182600115231'ANDt2
jerry-89·2018-07-31 20:27

java动态条件查询sql语句

select*fromtablewhere1=1andt_user_id=#{tUserId}and.tool_code=#{toolCode}andwork_code=#{workCode}andb_date
残缺的美13·2018-07-06 10:22

oracle递归查询报错

SELECT*FROMT_OrgComtwheret.systemcode='04'andt.ENABLED='1'STARTWITHt.id='00000000'CONNECTBYPRIORt.ID=
朱世良·2018-06-06 11:00

从零开始创建自己的React项目

create-react-app+node+npm+andt来完成自己的首个项目。
dzl199212·2018-06-05 17:45

DNA sequence HDU - 1560 （IDA*）

1560Thetwenty-firstcenturyisabiology-technologydevelopingcentury.WeknowthatageneismadeofDNA.ThenucleotidebasesfromwhichDNAisbuiltareA(adenine),C(cytosine),G(guanine),andT
一只二十四节气·2018-05-15 21:42

LeetCode 187. Repeated DNA Sequences 重复的DNA序列

AllDNAiscomposedofaseriesofnucleotidesabbreviatedasA,C,G,andT,forexample:"ACGAATTCCG".WhenstudyingDNA
Yuxin_Wu·2018-05-08 19:02

LeetCode 187. Repeated DNA Sequences 重复的DNA序列

AllDNAiscomposedofaseriesofnucleotidesabbreviatedasA,C,G,andT,forexample:"ACGAATTCCG".WhenstudyingDNA
Yuxin_Wu·2018-05-08 19:02

SQL关键字 in

例：select*fromtable_name1astwheret.namein(selectt2.namefromtable_name2ast2)andt.number=1000解释：查询table_name1
大雷润相·2018-04-18 09:08

愿你出走半生，踏遍了那些，少有人走过的路

Theroundpeginthesquareholes.就像方孔里的圆桩theoneswhoseethingsdifferent.他们从不同的角度看待事物They'renotfoundofrules.他们既不墨守成规Andt
星魁的实验室·2018-04-14 17:25

泛读论文：Self-taught Learning: Transfer Learning from Unlabeled Data

Semi-supervisedlearningtypicallymakestheadditionalassumptionthattheunlabeleddatacanbelabeledwiththesamelabelsastheclassificationtask,andt
一条咸狗·2018-03-19 10:02

HashMap初始化和扩容

HashMap()ConstructsanemptyHashMapwiththedefaultinitialcapacity(16)andt
Dazhu233·2018-03-17 22:15

HashMap初始化和扩容

HashMap()ConstructsanemptyHashMapwiththedefaultinitialcapacity(16)andt
Dazhu233·2018-03-17 22:15

斯嘉丽 . 约翰逊

who’sholdingmymicrophonerightnowthat’showwellorganizedsheis.图片发自AppThankyouforinvitingmetospeaktoday.Andt
晨日阳光·2018-02-14 07:34

mysql查询均有索引但速度慢问题排查

*fromt_usertwhere1=1andt.logintype='qq'andt.channel='sc
名明鸣冥·2018-01-15 16:25

无对象控制

BEGINIFEXISTS(SELECTTOP11FROM[@IV_CLASS3]T0WHERET0.Code=@list_of_cols_val_tab_delAND(T0.U_Batch=N'Y'ANDT0
johnsuny·2018-01-10 20:34

查找某数据库中所有的字段

SELECTs.name,s.id,t.TABLE_NAMEFROMSYSCOLUMNSs,INFORMATION_SCHEMA.TABLEStWHEREs.id=OBJECT_ID(t.TABLE_NAME)andt.TABLE_CATALOG
FlyLolo·2018-01-05 12:00

Thread.join()的真正含义

Thread.join()并没有将线程合并起来~任何疑惑都先从JavaDoc开始,stackoverflow上有个极好的例子:1.Afterthemainthreadcreatesandstartsthet1andt2threads.Thereare3threadsrunninginparallel
猪杂汤饭·2017-12-29 18:13

Mybatis mapper.xml sql语句转义字符

.*,to_char(t.UP_DATE,'yyyy-mm-ddhh24:mi:ss')upDate123fromBUS_CAR_TRACKt1=1ANDt.CAR_ID=#{carId}ANDto_char
yuhenewbie·2017-12-28 12:06

leetcode187. Repeated DNA Sequences

题目要求AllDNAiscomposedofaseriesofnucleotidesabbreviatedasA,C,G,andT,forexample:"ACGAATTCCG".WhenstudyingDNA
raledong·2017-12-16 00:00

野心时代chapter22

谈到真对韩寒抄袭的质疑，作者发现批评声中有一个共性PeoplehadprojectedwhattheywantedtoseeontoHanHan,andt
风在叶子里·2017-12-07 03:47

mybatis中查询一列使用List封装数据

publicListfindById(Stringid);mybatis配置文件如下：selectt.fdate_valuefromt_pa_tabletwheret.fid=#{id,jdbcType=DECIMAL}andt.fselected
Imcomming·2017-09-21 19:48

leetcode 187. Repeated DNA Sequences 编码计数统计重复字符串 + 移动窗口

AllDNAiscomposedofaseriesofnucleotidesabbreviatedasA,C,G,andT,forexample:“ACGAATTCCG”.WhenstudyingDNA
JackZhangNJU·2017-09-20 09:54

《原则principles》9.18

Ibelievethatthewaywemakeourdreamsintorealityisbyconstantlyengagingwithrealityinpursuitofourdreamsandbyusingtheseencounterstolearnmoreaboutrealityitselfandhowtointeractwithitinordertogetwhatwewant—andt
小小Mark·2017-09-18 08:07

Oracle 日期相关

阅读更多--查询某一天内的数据selectt.ID,t.LAST_TIMEfromT_ORDERtWHERE--ANDt.LAST_TIME>=to_date('2017-07-3100:00:00',
tjy86·2017-07-31 17:00

mybatis使用小结

mybatis使用时间戳实例：selectname,createTimeFROMi_hoteventtisDelete=0andt.createTime>=#{startTime}andt.createTime
csdncjh·2017-07-16 08:03

[LeetCode] 187. Repeated DNA Sequences Java

题目:AllDNAiscomposedofaseriesofnucleotidesabbreviatedasA,C,G,andT,forexample:"ACGAATTCCG".WhenstudyingDNA
AC616288149·2017-07-13 11:00
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