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, 4687🔥, 0💬
Popular Posts:
What Privilege Is Needed for a User to Delete Rows from Tables in Another Schema in Oracle? For a us...
How REAL and FLOAT Literal Values Are Rounded in SQL Server Transact-SQL? By definition, FLOAT(n) sh...
How to continue to the next iteration of a WHILE loop in SQL Server Transact-SQL? How to use CONTINU...
How To Disable a Login Name in SQL Server? If you want temporarily disable a login name, you can use...
Where to find SQL Server database server tutorials? Here is a collection of tutorials, tips and FAQs...