Can you have dashes in SQL?

Can you use dashes in SQL?

2 Answers. Yes, you can use punctuation, white space, international characters, and SQL reserved words if you use delimited identifiers: SELECT * FROM `my-table`;

How do I add a dash to a string in SQL?

To set a string with hyphen and numbers, you need to use single quotes. For example, ‘Customer-1234-899’, ‘Customer-9383-901’, etc.

Can varchar have dashes?

what data type in SQL Server would allow me to use numbers and dashes (101-07, and stuff like that) in the field. Then you have to use a varchar = none numeric data type to store numeric with dashes.

All replies.

Alankar Chakravorty
Joined Dec 2009
1 9 Alankar Chakravorty’s threads Show activity

What data type is dash?

When dealing with numbers, a dash usually means negative. Is that all you’re trying to deal with is negative numbers? Thanks Guys.

What are two dashes in SQL?

Synopsis. The double hyphen places a single-line comment in a SQL*Plus script. The double hyphen works the same way as REMARK, except that it may be used in SQL statements and PL/SQL blocks. When used in a SQL statement or PL/SQL block, the double hyphen may be used to add trailing comments to a line.

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What is data type varchar?

The VARCHAR data type is the IBM® Informix® implementation of a character varying data type. … The ANSI standard data type for varying-length character strings is CHARACTER VARYING. The size of the maximum size (m) parameter of a VARCHAR column can range from 1 to 255 bytes.

How do I replace multiple characters in a string in SQL Server?

If you use SQL Server 2017 or 2019 you can use the TRANSLATE function. In this example de pipe, plus, comma en minus are all replaced by an underscore. You can change every character with its own one. So in the next example the plus and minus are replaced by a hash.

What is replace in SQL?

Replace in SQL is a built-in function that allows you to replace all the incidents of a substring within a specified string with a new substring. … The basic syntax of replace in SQL is: REPLACE(String, Old_substring, New_substring);

What is the difference between char and varchar in DBMS?

CHAR is fixed length and VARCHAR is variable length. CHAR always uses the same amount of storage space per entry, while VARCHAR only uses the amount necessary to store the actual text. The char is a fixed-length character data type, the varchar is a variable-length character data type.

How do you change hyphenated spaces in SQL?

Use the T-SQL function REPLACE() to replace a substring (a word, character, group of letters, etc.) with another substring.

This function takes three arguments:

  1. The target string, expression, etc. …
  2. The substring to replace (here, the space-hyphen-space pattern ‘ – ‘).
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What function would I use to find out if and where a dash is in my column in SQL?

The CHARINDEX function is used to find the position of one string within another. This can be handy when you need to break data apart by dashes or commas. Where value to find is one or more characters that you wish to find in the value to search.

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