Collections:
CREATE INDEX - Create a Table Index in Oracle
How To Create a Table Index in Oracle?
✍: FYIcenter.com
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 the following script:
CREATE TABLE tip (id NUMBER(5) PRIMARY KEY, subject VARCHAR(80) NOT NULL, description VARCHAR(256) NOT NULL, create_date DATE DEFAULT (sysdate)); Table created. CREATE INDEX tip_subject ON tip(subject); Index created.
⇒ ALTER INDEX - Rename an Index in Oracle
⇐ DROP TABLE Statement in Oracle
2020-02-20, 4754🔥, 0💬
Popular Posts:
How Fixed Length Strings Are Truncated and Padded in SQL Server Transact-SQL? When the length of the...
How To Query Tables and Loop through the Returning Rows in MySQL? The best way to query tables and l...
What Happens to Your Transactions When ERROR 1205 Occurred in MySQL? If your transaction receives th...
How To Create a Dynamic Cursor with the DYNAMIC Option in SQL Server Transact-SQL? If the underlying...
How To Assign Debug Privileges to a User in Oracle? In order to run SQL Developer in debug mode, the...