How to Get Value From String Sequence Column In Oracle?

7 minutes read

To get value from a string sequence column in Oracle, you can use the SUBSTR function along with other string functions available in Oracle SQL. You can use SUBSTR to extract a portion of the string based on the starting position and length of characters to be extracted. Additionally, you can use other string functions like INSTR, TRIM, and CONCAT to manipulate and extract values from the string sequence column. By combining these functions effectively, you can retrieve specific values or substrings from the string sequence column in Oracle.

Best Oracle Database Books To Read in October 2024

1
Oracle Database 12c DBA Handbook (Oracle Press)

Rating is 5 out of 5

Oracle Database 12c DBA Handbook (Oracle Press)

2
Oracle PL/SQL by Example (The Oracle Press Database and Data Science)

Rating is 4.9 out of 5

Oracle PL/SQL by Example (The Oracle Press Database and Data Science)

3
Oracle PL/SQL Programming: Covers Versions Through Oracle Database 12c

Rating is 4.8 out of 5

Oracle PL/SQL Programming: Covers Versions Through Oracle Database 12c

4
Expert Oracle Database Architecture: Techniques and Solutions for High Performance and Productivity

Rating is 4.7 out of 5

Expert Oracle Database Architecture: Techniques and Solutions for High Performance and Productivity

5
OCA Oracle Database SQL Exam Guide (Exam 1Z0-071) (Oracle Press)

Rating is 4.6 out of 5

OCA Oracle Database SQL Exam Guide (Exam 1Z0-071) (Oracle Press)

6
Oracle Database 12c SQL

Rating is 4.5 out of 5

Oracle Database 12c SQL

7
Modern Oracle Database Programming: Level Up Your Skill Set to Oracle's Latest and Most Powerful Features in SQL, PL/SQL, and JSON

Rating is 4.4 out of 5

Modern Oracle Database Programming: Level Up Your Skill Set to Oracle's Latest and Most Powerful Features in SQL, PL/SQL, and JSON

8
Oracle Database Administration: The Essential Refe: A Quick Reference for the Oracle DBA

Rating is 4.3 out of 5

Oracle Database Administration: The Essential Refe: A Quick Reference for the Oracle DBA

9
Practical Oracle SQL: Mastering the Full Power of Oracle Database

Rating is 4.2 out of 5

Practical Oracle SQL: Mastering the Full Power of Oracle Database


How to pad a string with trailing zeros in Oracle?

You can pad a string with trailing zeros in Oracle by using the LPAD function. Here's an example of how you can do this:

1
2
SELECT LPAD('your_string_here', length_of_padded_string, '0') 
FROM dual;


Replace 'your_string_here' with the string you want to pad, and replace length_of_padded_string with the total length of the padded string you want to achieve. This function will pad the input string with zeros to the left to reach the desired length.


How to get the first character of a string in Oracle?

You can get the first character of a string in Oracle by using the SUBSTR function with a start position of 1 and a length of 1. Here is an example:

1
2
SELECT SUBSTR('Hello', 1, 1) AS first_character
FROM dual;


This query will return the first character of the string 'Hello', which is 'H'.


How to find the length of a string in Oracle?

In Oracle, you can find the length of a string using the LENGTH function. Here's an example:

1
2
SELECT LENGTH('Hello, World!') as str_length
FROM dual;


This query will return the length of the string 'Hello, World!', which is 13.


You can also use the LENGTHB function to find the length of the string in bytes, or the CHAR_LENGTH function to find the length in characters.


What is the purpose of the reverse function in Oracle?

The purpose of the reverse function in Oracle is to reverse the order of characters in a given string. This function can be used to reverse a string or any specific portion of the string, and can be helpful in various data manipulation and analysis tasks.

Facebook Twitter LinkedIn Whatsapp Pocket

Related Posts:

To add a prefix string to a sequence in Oracle, you can concatenate the prefix string with the nextval of the sequence using the CONCAT function. For example, if you want to add the prefix "ABC" to the sequence value, you can use the following SQL stat...
In Oracle, you can insert two queries with a sequence by using the INSERT INTO statement along with the SELECT statement. First, you need to create a sequence by using the CREATE SEQUENCE statement. Then, you can use the NEXTVAL function of the sequence in you...
Sequence-to-sequence models, also known as seq2seq models, are widely used in natural language processing and machine translation tasks. These models are designed to transform an input sequence to an output sequence, making them suitable for tasks like languag...