In the previous article we have mastered the basic data curd method, but in more cases, due to the differences in business logic, curd operations are often not so simple, especially complex business logic below, this is the ActiveRecord mode of
In the previous article, we learned the basic data CURD method, but in more cases, due to the difference in business logic, CURD operations are often not that simple, especially under complicated business logic, this is also a shortcoming of the
thinkphp query Language with coherent operation can be very good to solve the complex business logic requirements, this article we first to in-depth understanding of the framework of the query language.
1. Query Language Introduction
thinkphp
ThinkPHP -- SQL query statement, ThinkPHP -- SQL statement
I. Query Method
ThinkPHP provides three basic query methods: String condition query, Index Array condition query, and object bar query.
Component query. In most cases, we recommend that you
: This article mainly introduces ThinkPHP-SQL query statements. For more information about PHP tutorials, see. I. query method
ThinkPHP provides three basic query methods: string condition query, index array condition query, and object bar
The query language of ejb3 is similar to the intermediate and Object-Oriented Query Language of SQL. It can be compiled into SQL statements that are acceptable to different underlying databases, thus shielding the differences between different
This paper describes the model query techniques of YII based on arrays and objects. Share to everyone for your reference, as follows:
For a model Post like the next 4 Query method, return an object or an array of objects.
Finds the first line in
This article illustrates Yii's model query techniques based on arrays and objects. Share to everyone for your reference, specific as follows:
For a model Post like the following 4 Query method, return an object or an array of objects.
Finds
Hibernate native SQL query, Hibernate native SQL
Recently, a more complex query was made, and the basic query of hibernate could not meet the requirements. Therefore, we had to use the native SQL query provided by hibernate. Make a summary by
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