How To Rename an Index in Oracle?
Submitted by: AdministratorLet's say you have an existing index, and you don't like its name anymore for some reason, you can rename it with the ALTER INDEX ... RENAME TO statement. Here is an example script on how to rename an index:
CREATE TABLE student (id NUMBER(5) PRIMARY KEY,
first_name VARCHAR(80) NOT NULL,
last_name VARCHAR(80) NOT NULL,
birth_date DATE NOT NULL,
social_number VARCHAR(80) UNIQUE NOT NULL);
Table created.
SELECT index_name, table_name, uniqueness
FROM USER_INDEXES WHERE table_name = 'STUDENT';
<pre>INDEX_NAME TABLE_NAME UNIQUENES
----------------------- --------------------- ---------
SYS_C004153 STUDENT UNIQUE
SYS_C004154 STUDENT UNIQUE</pre>
ALTER INDEX SYS_C004153 RENAME TO student_pk;
Statement processed.
SELECT index_name, table_name, uniqueness
FROM USER_INDEXES WHERE table_name = 'STUDENT';
<pre>INDEX_NAME TABLE_NAME UNIQUENES
----------------------- --------------------- ---------
STUDENT_PK STUDENT UNIQUE
SYS_C004154 STUDENT UNIQUE</pre>
Submitted by: Administrator
CREATE TABLE student (id NUMBER(5) PRIMARY KEY,
first_name VARCHAR(80) NOT NULL,
last_name VARCHAR(80) NOT NULL,
birth_date DATE NOT NULL,
social_number VARCHAR(80) UNIQUE NOT NULL);
Table created.
SELECT index_name, table_name, uniqueness
FROM USER_INDEXES WHERE table_name = 'STUDENT';
<pre>INDEX_NAME TABLE_NAME UNIQUENES
----------------------- --------------------- ---------
SYS_C004153 STUDENT UNIQUE
SYS_C004154 STUDENT UNIQUE</pre>
ALTER INDEX SYS_C004153 RENAME TO student_pk;
Statement processed.
SELECT index_name, table_name, uniqueness
FROM USER_INDEXES WHERE table_name = 'STUDENT';
<pre>INDEX_NAME TABLE_NAME UNIQUENES
----------------------- --------------------- ---------
STUDENT_PK STUDENT UNIQUE
SYS_C004154 STUDENT UNIQUE</pre>
Submitted by: Administrator
Read Online Oracle Database Job Interview Questions And Answers
Top Oracle Database Questions
☺ | How To Shutdown Your 10g XE Server? |
☺ | How To Write Date and Time Interval Literals in Oracle? |
☺ | How Much Memory Your 10g XE Server Is Using? |
☺ | How To Use Values from Other Tables in UPDATE Statements using Oracle? |
☺ | How To Create Tables for ODBC Connection Testing? |
Top DB Oracle Categories
☺ | Oracle PL-SQL Interview Questions. |
☺ | Oracle DBA Interview Questions. |
☺ | Oracle D2K Interview Questions. |
☺ | OCI Interview Questions. |
☺ | Oracle RMAN Interview Questions. |