sql-insert

问题 This question already has answers here : Insert multiple records in oracle (3 answers) Closed 3 months ago . INSERT INTO Countries (Country, Capital, Cities) VALUES ('Philippines','Manila',122), ('USA','Washington',19495), ('Brazil','Brasilia',1642), ('Latvia','Riga',9), ('Egypt','Cairo',124) ; I've tried removing the (Country, Capital, Cities) , sticking it back on, putting them all in the same line, putting bigger indents, spacing them out. nothing. It keeps throwing me this error: ORA

问题 I just started learning database a couple of days ago. I'm running into this problem where my value is being recognized as a column, and it's spitting out an error. This is my News table: id | bodyText | url | createdAt | updatedAt ----+----------+-----+-----------+----------- this is the command I ran in psql: INSERT INTO "News" ("bodyText") VALUES ("this is a test"); and this is the error I'm getting: ERROR: column "this is a test" does not exist LINE 1: INSERT INTO "News" ("bodyText")

问题 I just started learning database a couple of days ago. I'm running into this problem where my value is being recognized as a column, and it's spitting out an error. This is my News table: id | bodyText | url | createdAt | updatedAt ----+----------+-----+-----------+----------- this is the command I ran in psql: INSERT INTO "News" ("bodyText") VALUES ("this is a test"); and this is the error I'm getting: ERROR: column "this is a test" does not exist LINE 1: INSERT INTO "News" ("bodyText")

问题 I have a dropdown(combo) box in a C# program I'm writing. -It pulls through its data from a table in my database: Application_Id | Application ---------------|-------------- 1 |Name1 2 |Name2 3 |Name3 The code for the dropdown box looks like this: SqlConnection conn = new SqlConnection(SqlCon.DBCON); conn.Open(); SqlCommand sc = new SqlCommand("select * from Application", conn); SqlDataReader reader; reader = sc.ExecuteReader(); DataTable dt = new DataTable(); dt.Columns.Add("ApplicationId",

问题 I have a pretty long Oracle SQL query that needs to be compatible for Azure SQL. I am new to both database types. Here is query: MERGE INTO studies USING dual ON (study_id = :study_id) WHEN NOT MATCHED THEN INSERT (study_id, study_date) VALUES (:study_id, :study_date) I am not sure USING dual would work. I read some solution saying that USING dual is not necessary in SQL Server. I really appreciate if you can explain what this query means and how I can translate this for Azure SQL query. 回答1:

问题 I have to write a query to update a record if it exists else insert it. I am doing this update/insert into a postgres DB. I have looked into the upsert examples and most of them use maximum of two fields to update. However, I want to update multiple columns. Example: query="""INSERT INTO table (col1,col2,col3,col4,col5,col6,col7,col8,col9,..col20) VALUES(%s,%s,%s,%s,%s,%s,%s,%s,%s,%s,%s,%s,%s,%s,%s,%s,%s,%s,%s,%s) ON CONFLICT(col2) DO UPDATE SET (col1,col2,col3,col4,col5,col6,col7,col8,col9,.

问题 I have a long list of insert query which has a slight error. INSERT INTO `delivery_zip` (..) VALUES ("AB'C / DEF", ..), ("AB'C / DEF", ..), ("AB'C / DEF", ..), ... How do I remove the single quote after AB' from the values. 回答1: If the single quote in question is the only single quote present in the column col1 , and you have already inserted the data, then you should be safe using UPDATE with REPLACE to remove it: UPDATE delivery_zip SET col1 = REPLACE(col1, ''', '') But if you haven't done

问题 I'm trying to insert data from a web API into my database (I am using sqlite3 on python 3.7.2) and I can't find any tutorials on how do to so. So far all my code is: import requests, sqlite3 database = sqlite3.connect("ProjectDatabase.db") cur = database.cursor() d = requests.get("http://ergast.com/api/f1/2019/drivers") I'm aiming to get the names and driver numbers of each driver and insert them all into a table called Drivers. (I'm also using more APIs with more tables, but if I figure out

问题 This question already has answers here : serial in postgres is being increased even though I added on conflict do nothing (4 answers) Closed 5 months ago . duplicate of this question Say I have the following table things. I want unique names in the table so there are no duplicates. The process that inserts a thing shouldn't need to check if a thing with this name is already there. CREATE TABLE things( id SMALLSERIAL PRIMARY KEY, name varchar UNIQUE ); When I insert values like this it works.

问题 Closed. This question does not meet Stack Overflow guidelines. It is not currently accepting answers. Want to improve this question? Update the question so it's on-topic for Stack Overflow. Closed 2 years ago . Improve this question Entity Framework can be very slow on mass insert/update/delete operations. Even the often suggested tweaks to turn off AutoDetectChanges and/or ValidateOnSaveEnabled does not always help. I have come across the Z.EntityFramework.Extensions on NuGet, but it seems