HSQLDB, Oracle, SQL Server, Sybase SQL Anywhere (which have the MERGE ... For example, without IGNORE , a row that duplicates an existing UNIQUE index ...
Oct 28, 2011 ... ... primary keys for a given adapter. I'm familiar with the Postgres ... servers where each server will get given a batch of id values it could
For more information about supported editions of SQL Server, see Overview of SQL Server as a source. ... rows if the primary key is different. For more ...
key can not be accurately updated or deleted using non-cursor SQL. Any attempt to use any UPDATE or DELETE on a table without a primary key runs the risk of ...
... SQL for SQL Server ... Data Manipulation Language UPDATE and DELETE statements on tables without primary keys might cause duplicate records because Database ...
I'll pass on that as I am a novice on MS SQL Server and PostgreSQL. ... content_item_id - the table description says it is a primary key to the content ...
I've used surrogate PKs for decades without data duplication issues. That ... I used guid primary keys in Microsoft's SQLServer (around 4-5 years ago) ...
My opinion is that this is a bug in H2. I managed to "solve" the problem by deleting all records in the table ... In the meantime, I recreated my database without ...
Jul 5, 2016 ... ... database that supports adding several VALUES() clauses and ON DUPLICATE KEY UPDATE clauses. ... primary key). If I use onDuplicateKeyIgnore - I ...
Does anyone know how to boost the performance of writes to an enscribe (Key Sequence) file ? Currently we have partitioned the database, tried to perform ...
duplicate information in the primary key fields. You can run a make-table query to eliminate the duplicate data, but if key fields for two or more records ...
SQL query which fails because one with the same primary key had been done ... mysqlexec/db server: Duplicate entry '3-1393328' for key 'PRIMARY'. in the ...
If I use store() on a newly created and filled record, I'll get a violation exception if the primary key already exists. ... SQL Server, and Sybase SQL Anywhere):.
But where you define id with column[ ] it can be without, See my snippet I ... " While some database systems allow inserting proper values into AutoInc ...
Jan 27, 2014 ... 3) You delete record with ID 123 again 4) MySQL reboots, resetting ... MySQL started as a non-ACID query server (not a full relational database ...
Mar 21, 2025 ... Only GoogleSQL-dialect databases can have tables without a primary key. ... primary key values, with child rows inserted between parent rows.
... data (due to keying on each row's unique primary key). ... I am using timestamp+incrementing with a query, on SQL Server and missing records here and there.
Apr 25, 2016 ... It is composed of 52 million rows of 20 columns each. I would like to add one, since I will remove duplicates and doing so without primary key ...