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suppose there are two tables now. The first table, called prepay_card, represents prepaid cards, and the second table represents transactions of prepaid cards represented by prepay_card_transition . the structure of our first table, prepay_card, is as ...
The sql statement is as follows SELECT sum(case when CONVERT(varchar(100), b.BillDate, 112) >= 20180101 AND CONVERT(varchar(100), b.BillDate, 112) < 20180126 then b.totalmoney else 0 end)AS , sum(case when CONVERT(varchar(100), b.BillDate, 11...
the database is postgresql. Table table shows the conditional data of several intervals of A _ Magi B ~ C ~ D, 1, finding the intersection of A _ mai B? 2. Find the intersection of Amurc, which is not in the B interval. 3. Find the intersection of Am...
there are two tables Table 1: Student number 1 | Student number 2 | Student number 3 001 | 002 | 003 Table 2: Student number | name 001 | Zhang San 002 | Li Si 003 | Wang Wu desired results: student number 1 | name 1 | student number 2 | nam...
there is a sql statement that you want to construct with the constructor of tp5, as follows Select * from tab1 where (axi1 and baked 1) or (a2 and baked 2) or (axi3 and baked 3) .or (aural N and baked N) Note: when N is equal to, there are as many o...
Please tell me how to convert the text column: x y z to: x-ray. Thank you. ...
problem description as follows, I created an attempt. I want group by to group the sum by RD.SKU and the RD.QTYRECEIVED field is sumsum, but I want to display the six fields of select instead of just showing RD.SKU and sumsum,. The simple point is, th...
wrote an attempt in oracle. I want to add a field to get the QTYGOOD and of the same RD.SKU line. CREATE OR REPLACE VIEW aaa AS SELECT R.WHSEID, RD.STORERKEY, RD.SKU, CASE WHEN LOC.LOCATIONCATEGORY <> NG AND RD.COND...
I successfully run the following sql statement to find the ideal data exec sp_executesql N Select * FROM FC_Repair WHERE F_RepairDepartmentId in ( ace7f0e7-f158-4587-920d-e76546885198 , bf421a22-786b-40fd-8af...
SQL quotation marks backslash escape can be bypassed by double-byte injection. Can this problem be avoided by transferring utf-8 first? ...
online time() online 20 id 2 s online_status deduction time () has been higher than 30, but id 1 does not have it, but it is still found out? ...
there is a system that has no source code and cannot find a developer. Now I want to make a report by myself, but I have encountered a disgusting problem. Consult database SQL SERVER 2008 R2 the simplified table structure is as follows id customer ID...
the user guesses the score of a game, which is about < table > < thead > < tr > < th > id < th > < th > team1 (home team scores) < th > < th > team2 (visiting team scores) < th > < tr > < thead > < tbody > < tr > < td > 1 < td > < td > 1 < ...
the data sent from the front desk is of date type, and then query how to report such an error in the field of date type of sql server database based on this data: ,date : : : ...
I have a very strange problem. I am using Java to simulate login to the academic Affairs Office website. but when I proceed to the last step of the GET login interface I have heard before that the sessionid of cookie obtained by httpClient is invalid...
this is a piece of code in our business. The main logic is to group data according to bank accounts, and each group, that is, each bank account, has a thread to process business logic. the problem now is that duplicate data is generated in a small prob...
browser environment is IE8 input is the username password in the login page in placeholder, the compatibility problem is to use jq to set its value, to get focus, lose focus and make its value equal to the placeholder you want to set. Then, when you...
delete a file in sources.list.d , and then perform the update operation, and the following error occurs restoring the file is also useless did not search for what the damn file is. searched the Internet for a long time, but couldn t find any useful...
topic description in the process of learning three.js, I saw the process of using three.js to draw a sphere, in which the key part, given a certain number of points, evenly distributed on a sphere, his code is as follows, but does not understand the d...