insert-update

问题 Closed . This question needs details or clarity. It is not currently accepting answers. Want to improve this question? Add details and clarify the problem by editing this post. Closed 2 days ago . I am using jdbc to insert or update into a table based on the condition, if the data already exists in the table. I am getting data from an external source. Is it possible to have a single query to perform this task? scenario looks somewhat like this: if (if row with the data exists){ perform UPDATE

问题 hii every one I need to add one column to my existing table so how can i alter table in sqlite database through the obj c ,i am using the following code for inserting data into table in the same way how can i write updata table method - (void) InsertRecord { if(addStmt == nil) { const char *sql = "insert into tbl_Users(FirstName,MiddleName) Values(?,?)"; if(sqlite3_prepare_v2(database, sql, -1, &addStmt, NULL) != SQLITE_OK) NSAssert1(0, @"Error while creating add statement. '%s'", sqlite3

问题 I'm trying to do an UPSERT (since that's what it appears to be called) and I'm getting an error: Microsoft JET Database Engine error '80040e14' Syntax error (missing operator) in query expression ... UPDATE myTable SET Field1='10', Field2='11' WHERE Date = #06/05/2013# IF @@ROWCOUNT = 0 BEGIN INSERT INTO myTable (Field1, Field2) VALUES (10, 11) END 回答1: Your code is using T-SQL (SQL Server) syntax that Access SQL does not understand. The VBA equivalent would be: Dim cdb As DAO.Database Set

问题 I am using Hibernate 4.1 trying to call a PreInsertEventListener to update the entity before inserting it into the database, based on the article here: http://anshuiitk.blogspot.ca/2010/11/hibernate-pre-database-opertaion-event.html public class PreInsertListener implements PreInsertEventListener { @Override public boolean onPreInsert(PreInsertEvent event) { Product product = (Product)event.getEntity(); String barcode = "B" + product.getProductId(); product.setBarcode(barcode); // Update the

问题 I use PostgreSQL 9.1.2 and I have a basic table as below, where I have the Survival status of an entry as a boolean (Survival) and also in number of days (Survival(Days)) . I have manually added a new column named 1-yr Survival and now I want to fill in the values of this column for each entry in the table, conditioned on that entry's Survival and Survival (Days) column values. Once , completed the database table would look something like this: Survival Survival(Days) 1-yr Survival ----------

问题 I'm doing an insert query where most of many columns would need to be updated to the new values if a unique key already existed. It goes something like this: INSERT INTO lee(exp_id, created_by, location, animal, starttime, endtime, entct, inact, inadur, inadist, smlct, smldur, smldist, larct, lardur, lardist, emptyct, emptydur) SELECT id, uid, t.location, t.animal, t.starttime, t.endtime, t.entct, t.inact, t.inadur, t.inadist, t.smlct, t.smldur, t.smldist, t.larct, t.lardur, t.lardist, t

问题 hi i got the solution for selected spinner item is inserted in mysql database through calling soap webservice..thanks for giving nice ideas.but i can't develop update spinner value is save in mysql database.please refer my code:android code webservice code ...the above both link for inserting code for both android and webservices....please help me...what line is change for update spinner value also change in mysql database.... public class update { public String insertData(String status

问题 spring Batch for my project, and I'm simply trying to read from a csv file and load data to a database, using JdbcBatchItemWriter as writer. I'm looking for a way to tell the writer to insert a new row, but, on duplicate key (or duplicate unique identifier) update row instead of failing. I know I can do that directly in the sql statement, but that would be specific to Mysql, though I want my code to be DBMS-independent. here is my writer declaration in the java config @Bean @StepScope public

问题 Actually i am using mongoDB , and i am able to update document with single ObjectID, so right now i want to perform update on multiple documents having different ObjectID , i did considerable search, came to know {multi:true} will help to update multiple documents. Let's say i have var uid = {'Userid': ObjectId(..)}; var id = {'Newid': Object(..)}; now i want to perform update on both of these different documents having different ObjectId' s total separatley , so far i tried this considering

问题 This is a simple question, but I've looked around and couldn't find the answer. How do I extract the number of affected rows from update/insert SQL queries in ZF2? The following code is working nicely for me (it does update), but I would like to perform proper error checks: public function updateSomeField($id, $some_field){ $data = array( 'some_field' => $some_field ); $sql = new Sql($this->dbAdapter); $update = $sql->update(); $update->table('Table1'); $update->set($data); $update->where