Managing Oracle Table Indexes

Q

Where to find answers to frequently asked questions on Managing Oracle Table Indexes?

✍: FYIcenter.com

A

Here is a list of frequently asked questions and their answers compiled by FYIcenter.com DBA team on Managing Oracle Table Indexes. The clear answers and sample scripts provided can be used as learning tutorials or interview preparation guides.

Index - Data Structure for Query Performance in Oracle

Run SQL Statement through Web UI in Oracle

Create a Table Index in Oracle

Show All Indexes in Your Schema in Oracle

Indexes for the PRIMARY KEY Column in Oracle

Rename an Index in Oracle

Drop an Index in Oracle

Error: Cannot Drop Index on Primary Key in Oracle

Dropped Tables with Indexes in Oracle

Recover a Dropped Index in Oracle

Recovered Tables with Indexes in Oracle

Rebuild an Index in Oracle

Show Table Columns Used in an Index in Oracle

Create a Single Index for Multiple Columns in Oracle

Sample scripts used in this FAQ collection assumes that you are connected to the server with the default user account HR on the default instance XE. All scripts were executed through the Oracle Web interface. See other FAQ collections on how to connect to the server.

It is also assumed that user account HR has the CREATE ANY INDEX privilege needed to manage indexes.

⇒ Index - Data Structure for Query Performance in Oracle

⇐ Show All Tables in Your Schema in Oracle

⇑⇑ Oracle Database Tutorials

2019-05-10, 1397👍, 0💬

Show All Tables in Your Schema in Oracle
How To List All Tables in Your Schema in Oracle? If you log in with your Oracle account, and you want to get a list of all tables in your schema, you can get it through the USER_TABLES view with a SELECT statement, as shown in the following SQL script: SQL> connect HR/fyicenter Connected. SQL... 2019-05-10, 1419👍, 0💬

Managing Oracle Table Indexes
Where to find answers to frequently asked questions on Managing Oracle Table Indexes? Here is a list of frequently asked questions and their answers compiled by FYIcenter.com DBA team on Managing Oracle Table Indexes. The clear answers and sample scripts provided can be used as learning tutorials or... 2019-05-10, 1398👍, 0💬

Show Dropped Tables in Recycle Bin in Oracle
How To View the Dropped Tables in Your Recycle Bin in Oracle? You can look what's in your recycle bin through the predefined view called RECYCLEBIN. You can use the SELECT statement to list the dropped tables as shown in the following script: SQL> connect HR/fyicenter Connected. SQL> C... 2019-05-14, 1345👍, 0💬

Turn On and Off Recycle Bin for the Instance in Oracle
How To Turn On or Off Recycle Bin for the Instance in Oracle? You can turn on or off the recycle bin feature for an instance in the instance parameter file with "recyclebin=on/off". You can also turn on or off the recycle bin feature on the running instance with a SQL*Plus command, if you log in as ... 2019-05-14, 1331👍, 0💬

Empty Your Recycle Bin in Oracle
How To Empty Your Recycle Bin in Oracle? If your recycle bin is full, or you just want to clean your recycle bin to get rid of all the dropped tables, you can empty it by using the PURGE statement in two formats: PURGE RECYCLEBIN - Removes all dropped tables from your recycle bin. PURGE TABLE table_... 2019-05-10, 1314👍, 0💬

Turn On and Off Recycle Bin for the Session in Oracle
How To Turn On or Off Recycle Bin for the Session in Oracle? If you want to control the recycle bin feature in your own session, you can use the ALTER SESSION statement to turn on or off. Here is an example SQL script: SQL> connect HR/fyicenter Connected. SQL> SELECT COUNT(*) FROM recy... 2019-05-10, 1311👍, 0💬

Show All Indexes in Your Schema in Oracle
How To List All Indexes in Your Schema in Oracle? If you log in with your Oracle account, and you want to get a list of all indexes in your schema, you can get it through the USER_INDEXES view with a SELECT statement, as shown in the following SQL script: SELECT index_name, table_name, uniqueness FR... 2019-05-01, 1293👍, 0💬

Create a Table Index in Oracle
How To Create a Table Index in Oracle? If you have a table with a lots of rows, and you know that one of the columns will be used often a search criteria, you can add an index for that column to in improve the search performance. To add an index, you can use the CREATE INDEX statement as shown in th... 2019-05-01, 1241👍, 0💬

Indexes for the PRIMARY KEY Column in Oracle
What Is an Index Associated with a Constraint in Oracle? An index associated with a constraint because this constraint is required to have an index. There are two types of constraints are required to have indexes: UNIQUE and PRIMARY KEY. When you defines a UNIQUE or PRIMARY KEY constraint in a table... 2019-05-01, 1233👍, 0💬

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