Mysql case null else

The CASE statement for stored programs implements a complex conditional construct. See Section See Section 3. END block, as shown in this example. The indentation used here in the ELSE clause is for purposes of clarity only, and is not otherwise significant. Data Definition Statements. LIKE Statement. Silent Column Specification Changes. Secondary Indexes and Generated Columns. Data Manipulation Statements. Suppose, the following query explains the CASE logical part where we have mentioned a table like Students with fields StudentName, State, City, then the query will be written as:.

In the above illustration we have put the CASE statement on columns State and City where if the State column contains a NULL value then the query displays City column value and if case statement is not valid or if value not found then, else part value i. State column value is returned. But if there is no value that is equal then, it returns the ELSE part value if provided. For example, if there is a character string context used in the statement then, the result value will be in the same data type, string.

Also, if the CASE conditional expression uses a numeric context then, the value returned will be either in integer, decimal or real value data type. For this, we need to create a table Students and insert some values also. Secondly, after this, the Sum function works to find out the total number of orders according to the order status. Abhishek Agarwal Abhishek Agarwal 43 7 7 bronze badges.

This is not what I want.. Kovi I'd just update my query. Now it will work fine as per expected — Abhishek Agarwal. Sign up or log in Sign up using Google. Sign up using Facebook. Sign up using Email and Password. Post as a guest Name. Email Required, but never shown. The Overflow Blog. Stack Gives Back Safety in numbers: crowdsourcing data on nefarious IP addresses. Featured on Meta.