HasOne and hastwo are functions unique to Yii2 for multi-table join queries. we recommend that you use them when using multi-table join queries. This article describes how to use hasOne and hasOne in Yii2 and multiple-to-Multiple-join queries, for more information, see Introduction hasOne and hasOne, which are unique functions of Yii2 for multi-table join queries. we recommend that you use them when using multi-table join queries. Why? Because the results of Association query in this way will retain the table header sorting function of Yii2 ,... hasOne and hastwo are functions unique to Yii2 for multi-table join queries. we recommend that you use them when using multi-table join queries. This article describes how to use hasOne and hasOne in Yii2 and multiple-to-Multiple-join queries, for more information, see Introduction hasOne and hasOne, which are unique functions of Yii2 for multi-table join queries. we recommend that you use them when using multi-table join queries. Why? In this way, the result of Association query will retain the table header sorting function of Yii2 and the input id in CheckboxColumn. if there are no other benefits, you need to explore it, I have discovered these two common benefits. Other associated queries, such as yiidbQuery or native SQL statement queries, are not found. when the query is displayed in the list, the table header is displayed in a black row. In Yii2, hasOne and hastwo can be used to query multi-table Association. Both the document and the article can easily find the reference parent. But why do I need to write this article? the idea is actually very simple, because
1. Detailed introduction to hasOne
Introduction: hasOne and hastwo are unique functions of Yii2 for multi-table join queries. we recommend that you use them when using multi-table join queries. This article describes how to use hasOne and hasOne in Yii2 and multiple-to-Multiple-join queries. For more information, see
3. update multiple fields in the yii2 joined table
Introduction: There are two tables, account and user. the account table has fields mobile, bind, and user. the user table also has mobile, and bind Fields. the account and user classes are associated with the account and user classes using hasMany through uid, in the update account table mobile. when bind is used, the user table Association is automatically updated. excuse me, auto update...
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The above is a detailed description of hascript. For more information, see other related articles in the first PHP community!