insert-update

问题 I have a backup utility, workig on restore section. This is my table: CREATE TABLE "SBOOKS"."DEV_CORPUS" ( "CORPUSID" NUMBER(9,0) NOT NULL ENABLE, "CORPUS_NAME" VARCHAR2(768 BYTE) NOT NULL ENABLE, "CORPUSLASTSYNC" DATE, PRIMARY KEY ("CORPUSID") In restore class I would like to look for a primary key in table, if it exists then update the row, if not then insert a row. now the problem is I need to pass the parameters from the class (they do not exist in any table), how can I do this? what is

问题 I have a table that contains over than a million records (products). Now, daily, I need to either update existing records, and/or add new ones. Instead of doing it one-by-one (takes couple of hours), I managed to use SqlBulkCopy to work with bunch of records and managed to do my inserts in the matter of seconds, but it can handle only new inserts. So I am thinking about creating a new table that contains new records and old records; and then use that temporary table (on the SQL end) to update

问题 I'm have this Many To Many Relationship: public class Role { [Key] public int role_Id { get; set; } public string Name { get; set; } public ICollection<LoginModel> Users { get; set; } public ICollection<Permission> Permissions { get; set; } public Role() { Users = new List<LoginModel>(); Permissions = new Collection<Permission>(); } } public class Permission { [Key] public int permi_Id { get; set; } public string Name { get; set; } public virtual ICollection<Role> Roles { get; set; } public

问题 I tried to use the merge statement to Insert/Update in Informix v10.0 but it throws a Syntax Error: create table source(id int, account int, age int); create table target (id int, account int, age int); insert into source values(1, 1200, 25); insert into source values(2, 1300, 28); insert into source values(3, 1400, 45); merge into target t using source s on t.id = s.id when matched then update set t.id = s.id, t.account = s.account, t.age = s.age when not matched then insert (t.id, t.account

来源： https://stackoverflow.com/questions/55187884/insert-into-postgresql-table-from-pandas-with-on-conflict-update

问题 Have array of currency rates and after input amount in inputTextField i'm want to update all items in this array on the amount in this currency and put that one in the tableView, tried to do that with loop but that's not working correct because that's solution just putted in the table each loop inputTextField that's name of the text field receivedRates:[Double] = [1.1,1.6,2.0,1.3] // just example of the rates for i in receivedRates { let newValue = Double(i)*Double(Int(inputTextField.text!)!)

问题 we are using Oracle v12+ we have a situation where we need to update status column to previous value whenever we have first RENEWAL for every code (it is functional ID and has many rows against one ID) otherwise ADD . See sample i/o below. Data is sorted by timestamp for each ID. Do we need specific joins to update? I have copied data to temp table for that but not getting success. Table name: table_book_status Input CLOB [code] [word] [status] [timestamp] B000JMLBHU book {"name" : "Kunal",

问题 enter image description hereI have looked through the pages and cannot seem to find an answer. Any help is greatly appreciated. I have gotten the code to work for updating the data in the sheet from from VBA form however it just keeps writing over the top row and does not edit the specific rows data. I am trying to get it to edit the data that is showing and not overwrite the top lines data. any help is appreciated. The code I am using is: Private Sub cmdupdate_Click() Dim rowselect As Single

问题 enter image description hereI have looked through the pages and cannot seem to find an answer. Any help is greatly appreciated. I have gotten the code to work for updating the data in the sheet from from VBA form however it just keeps writing over the top row and does not edit the specific rows data. I am trying to get it to edit the data that is showing and not overwrite the top lines data. any help is appreciated. The code I am using is: Private Sub cmdupdate_Click() Dim rowselect As Single

问题 enter image description hereI have looked through the pages and cannot seem to find an answer. Any help is greatly appreciated. I have gotten the code to work for updating the data in the sheet from from VBA form however it just keeps writing over the top row and does not edit the specific rows data. I am trying to get it to edit the data that is showing and not overwrite the top lines data. any help is appreciated. The code I am using is: Private Sub cmdupdate_Click() Dim rowselect As Single