How can I get substring in PL SQL?

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Oracle / PLSQL: SUBSTR Function

How can I get substring in PL SQL?

Oracle / PLSQL: SUBSTR Function
  1. Description. The Oracle/PLSQL SUBSTR functions allows you to extract a substring from a string.
  2. Syntax. The syntax for the SUBSTR function in Oracle/PLSQL is: SUBSTR( string, start_position [, length ] )
  3. Returns. The SUBSTR function returns a string value.
  4. Note.
  5. Applies To.
  6. Example.

How do you check a string contains a substring in Oracle?

To determine if a particular string is contained anywhere in a text variable or text constant, you can use the following syntax with the Contains function:

  1. Contains(, )
  2. contains

What is Oracle dump function?

The Oracle DUMP() function allows you to find the data type, length, and internal representation of a value.

What is Initcap in SQL?

INITCAP returns char , with the first letter of each word in uppercase, all other letters in lowercase. Words are delimited by white space or characters that are not alphanumeric.

What is substring in SQL?

SUBSTRING in SQL is a function used to retrieve characters from a string. With the help of this function, you can retrieve any number of substrings from a single string.

What is dump function in SQL?

The PLSQL DUMP function is used to return a varchar2 value that contains the datatype code, the length in bytes, and the internal representation of the expression. The PLSQL DUMP function accepts an expression as a parameter, if the expression value is NULL, then the DUMP function returns NULL.

How do I export and import an Oracle database?

To export the data the REGIONS table:

  1. In SQL Developer, click Tools, then Database Export.
  2. Accept the default values for the Source/Destination page options, except as follows:
  3. Click Next.
  4. On the Types to Export page, deselect Toggle All, then select only Tables (because you only want to export data for a table).

What is the Oracle dump function?

Oracle DUMP Function Explained with Examples. The Oracle DUMP function tells you the data type of an expression. Let’s learn how to use it and see some examples in this article. Purpose of the Oracle DUMP Function. The Oracle DUMP function will return a string that explains what the data type of an expression is.

How to extract a substring from a string in Oracle?

The Oracle SUBSTR () function extracts a substring from a string with various flexible options. The following illustrates the syntax of the Oracle SUBSTR () function: str is the string that you want to extract the substring.

What is the use of substr in Oracle?

1 Description. The Oracle/PLSQL SUBSTR functions allows you to extract a substring from a string. 2 Syntax. The source string. 3 Returns. The SUBSTR function returns a string value. 4 Note. If start_position is 0, then the SUBSTR function treats start_position as 1 (ie: the first position in the string). 5 Applies To 6 Example.

How do I display the type of the string’Oracle dump’?

The following example uses the DUMP () function to display the type, length, and internal representation of the string ‘Oracle DUMP’: The Typ=96: 96 denotes the CHAR data type. ( See the table for the mapping of the internal numbers and their corresponding data types)