match trimmed string : TRIM « Character String Functions « Oracle PL/SQL Tutorial

Oracle PL/SQL Tutorial
1. Introduction
2. Query Select
3. Set
4. Insert Update Delete
5. Sequences
6. Table
7. Table Joins
8. View
9. Index
10. SQL Data Types
11. Character String Functions
12. Aggregate Functions
13. Date Timestamp Functions
14. Numerical Math Functions
15. Conversion Functions
16. Analytical Functions
17. Miscellaneous Functions
18. Regular Expressions Functions
19. Statistical Functions
20. Linear Regression Functions
21. PL SQL Data Types
22. PL SQL Statements
23. PL SQL Operators
24. PL SQL Programming
25. Cursor
26. Collections
27. Function Procedure Packages
28. Trigger
29. SQL PLUS Session Environment
30. System Tables Data Dictionary
31. System Packages
32. Object Oriented
33. XML
34. Large Objects
35. Transaction
36. User Privilege
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Oracle PL/SQL Tutorial » Character String Functions » TRIM 
11. 15. 10. match trimmed string
SQL>
SQL>
SQL> CREATE TABLE book(
  2    title_id   CHAR(3)      NOT NULL,
  3    title_name VARCHAR(40)  NOT NULL,
  4    type       VARCHAR(10)  NULL    ,
  5    pub_id     CHAR(3)      NOT NULL,
  6    pages      INTEGER      NULL    ,
  7    price      DECIMAL(5,2NULL    ,
  8    sales      INTEGER      NULL    ,
  9    pubdate    DATE         NULL    ,
 10    contract   SMALLINT     NOT NULL
 11  );

Table created.

SQL>
SQL>
SQL>
SQL> INSERT INTO book VALUES('T01','Java','history','P01',111,21.99,566,DATE '2000-08-01',1);

row created.

SQL> INSERT INTO book VALUES('T02','Oracle','history','P03', 114,19.95,9566,DATE '1998-04-01',1);

row created.

SQL> INSERT INTO book VALUES('T03','SQL','computer','P02', 122,39.95,25667,DATE '2000-09-01',1);

row created.

SQL> INSERT INTO book VALUES('T04','C++','psychology','P04', 511,12.99,13001,DATE '1999-05-31',1);

row created.

SQL> INSERT INTO book VALUES('T05','Python','psychology','P04', 101,6.95,201440,DATE '2001-01-01',1);

row created.

SQL> INSERT INTO book VALUES('T06','JavaScript','biography','P01', 173,19.95,11320,DATE '2000-07-31',1);

row created.

SQL> INSERT INTO book VALUES('T07','LINQ','biography','P03', 331,23.95,1500200,DATE '1999-10-01',1);

row created.

SQL> INSERT INTO book VALUES('T08','C#','children','P04', 861,10.00,4095,DATE '2001-06-01',1);

row created.

SQL> INSERT INTO book VALUES('T09','SQL Server','children','P04', 212,13.95,5000,DATE '2002-05-31',1);

row created.

SQL> INSERT INTO book VALUES('T10','AJAX','biography','P01', NULL,NULL,NULL,NULL,0);

row created.

SQL> INSERT INTO book VALUES('T11','VB','psychology','P04', 821,7.99,94123,DATE '2000-11-30',1);

row created.

SQL> INSERT INTO book VALUES('T12','Office','biography','P01', 507,12.99,100001,DATE '2000-08-31',1);

row created.

SQL> INSERT INTO book VALUES('T13','VBA','history','P03', 812,29.99,10467,DATE '1999-05-31',1);

row created.

SQL>
SQL>
SQL> SELECT title_id
  2    FROM book
  3    WHERE TRIM(title_idLIKE 'T1_';

TIT
---
T10
T11
T12
T13

SQL>
SQL>
SQL> drop table book;

Table dropped.

SQL>
SQL>
11. 15. TRIM
11. 15. 1. The TRIM Function
11. 15. 2. TRIM (both ' ' from ' String with blanks ')
11. 15. 3. Characters rather than spaces are trimmed
11. 15. 4. TRIM(leading 'F' from 'FABCDEF')
11. 15. 5. TRIM(trailing 'r' from 'Real water')
11. 15. 6. TRIM from both sides
11. 15. 7. Nested trim
11. 15. 8. TRIM Leading and Trailing Zeroes
11. 15. 9. Triming leading 'H' from employee last name
11. 15. 10. match trimmed string
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