What does question mark mean in SQLite?

What is question mark in SQLite?

In some statements, parameters are unknown when the statement is prepared because a different value can be inserted each time the statement is executed. In these statements, you can use a question-mark ( ? ) placeholder where a parameter must be supplied when the statement is executed.

How do I escape in SQLite?

Double-quotes in SQLite identifiers are escaped as two double quotes. SQLite identifiers preserve case, but they are case-insensitive towards ASCII letters. It is possible to enable unicode-aware case-insensitivity. SQLite stops reading queries at the NUL character, but does not have any way to escape it.

Is SQLite like case sensitive?

Important Note: SQLite only understands upper/lower case for ASCII characters by default. The LIKE operator is case sensitive by default for unicode characters that are beyond the ASCII range. For example, the expression 'a' LIKE 'A' is TRUE but 'æ' LIKE 'Æ' is FALSE.

What is an identifier SQLite?

A keyword enclosed in square brackets is an identifier. This is not standard SQL. This quoting mechanism is used by MS Access and SQL Server and is included in SQLite for compatibility.