Posts

Showing posts with the label default size of varchar2 in oracle?

Question and answers related to Sql queries

Hello, In this post, questions about oracle Sql would be placed with answers. From day to day this post will be updated with question and answers. I have got few questions today to post and hence i did. What would be the default size of varchar2 in oracle? The default size of varchar2 in oracle is 4k and the default value of varchar2 is 32k when it is being used as input parameter in stored procedure or a function. What would be the recommended size of database column to store IP address? There are two types of IP address. One is IPv4 and another one is IPv6. Each of the numbers between the periods in an IP address range between 0-255 which occupies one byte each. so the total recommended size for IPv4 addresses is 4*8 = 32 characters But IPv6 addresses are 128 bits as opposed to 32 bits (IPv4 addresses). IPV6 addresses are usually written as 8 groups of 4 hex digits seperated by colon (2001:0db8:85a3:0000:0000:8a2e:0370:7334. So 39 characters is recommende...