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![]() Related Questions 1. Types of Triggers in Oracle 2. Can we relate two different tables from two different users in ORACLE,PL/SQL? 3. How can I combine sequence with select statement which is used in another insert statement. i.e.Insert 4. if records are inserted into table without committing.How to refer to these values in a procedure? 5. when we need to use USING clause in the sql?For example in this below:SELECT emp_name, department_name Read Answers (1) | Asked by : lavanya Your 600GB database exists across 3 database files, each 200GB in size. It takes 12 hours to perform Your 600GB database exists across 3 database files, each 200GB in size. It takes 12 hours to perform a full database backup. You decide to implement the following backup strategy : Full backup : 9am SundayFile 1 backup : 8pm Monday eveningFile 2 backup : 8pm Tuesday eveningFile 3 backup : 8pm Wednesday eveningFile 1 backup : 8pm Thursday eveningFile 2 backup : 8pm Friday eveningFile 3 backup : 8pm Saturday eveningTransaction log backups : Hourly, every day.DB suffers critical failure If I have 10 statements, individually committing each statement is efficient or doing a bulk commit of all the 10 statements at the end is efficient.Also if we say one of them is efficient... is it efficient Latest Answer : There is a trade-off in this case. In case of transaction-oriented scenario, I think executing 10 statements separately would be a better option since it will hold the lock for a very short duration allowing other processes to access the resource. But ... What is a transaction isolation level and What is the advantage of it? What are different options that we set for a transaction isolation level?
Transaction isolation levels are used when we go for Latest Answer : You need to add Snapshot to this answer. From BOL:Specifies that data read by any statement in a transaction will be the transactionally consistent version of the data that existed at the start of the transaction. The transaction can only recognize ...
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