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About transactions on mongodb
Question : To what extent can the atomic storage of MongoDB leave your database unsafe after inserts or updates on […]
Is COW (copy-on-write) based atomic commit widely used in mainstream databases?
Question : The database is not a flat structure like a file system, and generally has three to four levels […]
Are MySQL InnoDB transactions serializable?
Question : I am confused whether or not MySQL transactions are serializable and whether or not read-anomalies are guarded against? […]
Can I rollback/abort a transaction if no rows were inserted?
Question : I have a transaction in which I want to do something like this: START TRANSACTION; INSERT INTO table1 […]
Keep local variable after rollback in mysql
Question : I wish to keep local variable from stored procedure even if rollback occurres. In following procedure, i “register” […]
Postgresql Two-phase Commit Transaction Identifier
Question : Is it possible to perform a two-phase commit in Postgresql when the databases exist on the same server? […]
When is an Insert committed?
Question : If I highlight/select both the statements below, without a GO stmt between them, will the Insert be committed […]
Does SQL Server allow (make visible) DDL inside a transaction to the transaction prior to commit?
Question : In PostgreSQL I can create a table with some test data, and then in a transaction migrate it […]
PostgreSQL visibility of records changes from other transaction inside the current one
Question : I have a table “tst” which has a “status” column using which we process records in that table. […]