Quick Answer: What does Lpad mean in SQL?

What is Lpad in SQL?

LPAD() function in MySQL is used to pad or add a string to the left side of the original string. The actual string which is to be padded. If the length of the original string is larger than the len parameter, this function removes the overfloating characters from string.

What does Lpad function do?

The LPAD function returns a copy of source_string that is left-padded to the total number of characters specified by length. Any argument to the LPAD function must be of a built-in data type. The pad_string parameter specifies the character or characters to be used for padding the source string.

What is Lpad in Teradata?

Teradata LPAD function is used to add repeated characters at the beginning of a string to increase the string to a specified length. It can be used to add leading space or zeros to a string.

What is Lpad and RPAD in SQL?

LPAD (left pad) and RPAD (right pad) are SQL functions used to add padding characters to the left or right side of a string up to a given length. The default padding character is a space.

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What does To_char do in SQL?

TO_CHAR (datetime) converts a datetime or interval value of DATE , TIMESTAMP , TIMESTAMP WITH TIME ZONE , or TIMESTAMP WITH LOCAL TIME ZONE datatype to a value of VARCHAR2 datatype in the format specified by the date format fmt .

How do I use NVL in SQL?

A final example using the NVL function in Oracle/PLSQL is: SELECT NVL(commission, 0) FROM sales; This SQL statement would return 0 if the commission field contained a null value. Otherwise, it would return the commission field.

How can I use LPAD and RPAD together?


  1. LPAD (expression/column name, length, padding-expression)
  2. RPAD (expression/column name, length, padding-expression)
  3. SELECT LPAD (‘RebellionRider’, 20, ‘#’) FROM dual;
  4. SELECT RPAD (‘RebellionRider’, 20, ‘#’) FROM dual;
  5. SELECT LPAD (salary, 20, ‘*’) FROM employees;
  6. SELECT RPAD (salary, 20, ‘*’) FROM employees;

What is cast in Teradata?

Teradata CAST Function

The CAST function is one of the commonly used data type conversion functions. The CAST function allows you to perform run-time conversions between compatible data types. Syntax and the usage are similar to the CAST function of the other database.

How do I concatenate in Teradata?

The concatenation operator(||) is used to join/merge/combine the different strings in Teradata. If we want to concatenate the column values in the select statement,we can just specify the column name ,concatenation operator and the another column name in the select query.

How do you trim leading zero in Teradata?

In Teradata, the equivalent is TRIM function.

  1. Trim from leading zeros. The following code snippets remove leading zeros from the string literal. …
  2. Trim from trailing zeros. …
  3. Trim both leading and trailing zeros. …
  4. Trim a column in a view or table. …
  5. Trim other characters.
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What is the difference between Lpad and RPAD?

LPAD is used to pad the left side of a base string with a given pad string. It will repeat the pad string until the given length is met. RPAD is similar but adds the padding on the right side of the base string. This can be useful anywhere a certain pad is required, such as requiring leading 0’s or leading spaces.

What is Initcap in SQL?

The INITCAP function converts the first letter of each word in a string to uppercase, and converts any remaining characters in each word to lowercase. Words are delimited by white space characters, or by characters that are not alphanumeric.

What is the use of Instr in SQL?

The INSTR functions search string for substring . The function returns an integer indicating the position of the character in string that is the first character of this occurrence.