Question: When we create a table in MySQL with a VARCHAR column, we have to set the length for it. But for TEXT type we don’t have to provide the length. What are the differences between VARCHAR and TEXT? Best ...
Question: When I executed the following command: I got this error message: Information about column1 and column2: I think varchar(20) only requires 21 bytes while varchar(500) only requires 501 bytes. So the total bytes are 522, less than 767. So ...
Question: What is meant by nvarchar? What is the difference between char, nchar, varchar, and nvarchar in SQL Server? Best Answer: Just to clear up… or sum up… nchar and nvarchar can store Unicode characters. char and varchar cannot store ...
Question: What’s the difference between the text data type and the character varying (varchar) data types? According to the documentation If character varying is used without length specifier, the type accepts strings of any size. The latter is a PostgreSQL ...
Question: I’ve got a messages table in MySQL which records messages between users. Apart from the typical ids and message types (all integer types) I need to save the actual message text as either VARCHAR or TEXT. I’m setting a ...
Question: Is it just that nvarchar supports multibyte characters? If that is the case, is there really any point, other than storage concerns, to using varchars? Best Answer: An nvarchar column can store any Unicode data. A varchar column is ...
Question: for concating two varchars from columns A and B ,like “1923X” and “11459” with the hashtag, while I always want the smallest string become at first, what should I do in SQL server query? inputs: Two Columns A=”1923X” B=”11459″ ...
Question: I have a table with a column date of datatype varchar. The values are '2022-03-08 07:00',2022-03-08 07:30 ... . In my stored procedure I have a parameter of type DATE and with a value '2022-3-8' How can I compare ...