Tag:Variable assignment

  • PgSQL variable assignment method and precautions

    Time:2022-4-27

    1. Generally speaking, the methods on the Internet are as follows: : =, assignment, such as user_ id := 20; Select into assignment, for example SELECT INTO myrec * FROM emp WHERE empname = myname 2. What I introduce today is a more general and practical assignment method select …into … Use example: A variable, […]

  • Understand the variable assignment of PHP principle in simple terms

    Time:2022-1-14

    Variable assignment in PHP It is estimated that many people will despise this title, variable assignment? excuse me? We’ll learn the first lesson of development, okay. However, such basic things will make many people circle, such as the relationship between value and reference. Today, let’s talk about it in detail. First, define variables and assign […]