Collections:
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.
⇒ Show All Indexes in Your Schema in Oracle
⇐ Run SQL Statement through Web UI in Oracle
2019-05-01, 1557🔥, 0💬
Popular Posts:
What Are the Differences between DATE and TIMESTAMP in Oracle? The main differences between DATE and...
How To Convert Binary Strings into Integers in SQL Server Transact-SQL? Binary strings and integers ...
What Are Bitwise Operations in SQL Server Transact-SQL? Bitwise operations are binary operations per...
How To Use "IF ... ELSE IF ..." Statement Structures in SQL Server Transact-SQL? "IF ... ELSE IF ......
How To Select All Columns of All Rows from a Table with a SELECT statement in SQL Server? The simple...