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First option is definitely the best option. SELECT * FROM TABLE WHERE ID IN (id1, id2, ..., idn) However considering that the list of ids is very huge, say millions, you should consider chunk sizes like below: Divide you list of Ids into chunks of fixed number, say 100.
The SQL SELECT Statement. The SELECT statement is used to select data from a database. Example. Return data from the Customers table: SELECT CustomerName, City FROM Customers; Try it Yourself » Syntax. SELECT column1, column2, ... FROM table_name; Here, column1, column2, ... are the field names of the table you want to select data from.
23 gru 2020 · CREATE TABLE Transactions(. transaction_id INT PRIMARY KEY IDENTITY(1,1), ATM_id INT REFERENCES ATM(id), card_number INT REFERENCES Cards(card_id), sum_money INT, transaction_time DATETIME. ); And I tried below query: SELECT *.
23 gru 2023 · SELECT SCOPE_IDENTITY (); you can get it in c# using ExecuteScalar (). @@IDENTITY returns the last identity value generated for any table in the current session, across all scopes. You need to be careful here, since it's across scopes. You could get a value from a trigger, instead of your current statement.
3 cze 2019 · We can use the SQL IDENTITY function to insert identity values in the table created by SQL SELECT INTO statement. By default, if a source table contains an IDENTITY column, then the table created using a SELECT INTO statement inherits it.
22 maj 2019 · If you need to get the identity from the table you have 3 options as far as I see: Use the technique I use above to obtain the value. Add an OUTPUT clause to the final INSERT to capture the generated ID. Use the IDENT_CURRENT() function to obtain the current value.
This article provides examples of using the SELECT statement. The Transact-SQL code samples in this article use the AdventureWorks2022 or AdventureWorksDW2022 sample database, which you can download from the Microsoft SQL Server Samples and Community Projects home page.
