What is Explain Plan in Oracle | Simple Explain
Explain plan in Oracle is the sequence of operations for a statement that is chosen by the Oracle optimizer. This is the flow of execution of a statement. The execution ...
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What is Full Table Scan in Oracle | Quick Guide
What is Full Table Scan in Oracle? Simply it reads all the rows in the table. If you have a Where condition, then filter records according to that. Normally oracle ...
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2 Reasons to Why Oracle Index Full Scan
An Oracle index full scan is Oracle start read block from ROOT and then navigating to the down branch until find the leaf block on the left side. Move to ...
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How to Understand Oracle Index Unique Scan
If the table has primary keys then you can scan through the unique index. oracle index unique scan stops the scanning process once the first record is found. A unique ...
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How to Oracle Index Skip Scan Works | New From 9i
Oracle quickly fetches data by using an Index. There are different scan methods including Oracle index skip scan. If you have a composite index in the table, then this is ...
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How to Use Oracle Index Fast Full Scan | New Tips
A database can scan only using the index to perform database operation without acessingTable in Oracle index fast full scan. This is scanning without any order. Indexes are performed when ...
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How to work Index Range Scan Oracle
Oracle offers a variety of indexing methods. index range scan oracle is one of the index scanning methods to gather ROWIDs and retrieve data from the table. There are a lot ...
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What is Oracle SQL Cascade Delete | 5 Good Examples
Oracle SQL cascade delete is You have a Relation between tables then the Parent table record is deleted then referring child table records will be deleted. This is similar to ...
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