How do you check a string contains a substring in SQL?

Method 1 – Using CHARINDEX() function This function is used to search for a specific word or a substring in an overall string and returns its starting position of match. In case no word is found, then it will return 0 (zero). Let us understand this with examples.

Is string contains case sensitive in C#?

The string. Contains() method in C# is case sensitive. And there is not StringComparison parameter available similar to Equals() method, which helps to compare case insensitive.

Can we use contains in switch case?

Nope, switch statement requires compile time constants. The statement message. Contains(“test”) can evaluate true or false depending on the message so it is not a constant thus cannot be used as a ‘case’ for switch statement.

What is proper case in SQL?

see Previous versions documentation.

When to use the SQL CASE statement?

According to MS SQL Docs, a CASE statement can be used throughout the SELECT statement . CASE can be used in any statement or clause that allows a valid expression. For example, you can use CASE in statements such as SELECT, UPDATE, DELETE and SET, and in clauses such as select_list, IN, WHERE, ORDER BY, and HAVING.

What is case when SQL?

CASE is the special scalar expression in SQL language. CASE expression is widely used to facilitate determining / setting a new value from user input values. CASE expression can be used for various purposes which depends on the business logic.

Is SQL case sensitive?

SQL Server is, by default, case insensitive; however, it is possible to create a case-sensitive SQL Server database and even to make specific table columns case sensitive. The way to determine if a database or database object is to check its “COLLATION” property and look for “CI” or “CS” in the result.