Hql vs criteria. Criteria - No need to parse before generating.
In this case, any HQL (with fetch or not) query with FROM Employee will bring all Departments. Antes de se preocupar se Criteria é mais performático que HQL é melhor se preocupar em habilitar second level cache, query cache, batch size e Nov 14, 2023 · Sorting with Hibernate’s HQL is as simple as adding the Order By clause to the HQL query string: String hql = "FROM Foo f ORDER BY f. Share. Hibernate Query Language (HQL) is same as SQL (Structured Query Language) but it doesn't depends on the table of the database. A JPQL query is always a valid HQL query, the reverse is not true however. Aug 28, 2015 · I have an hql query string from MyTable table where table. Criteria looks more OO for some developers. But, this is only because the Jan 9, 2016 · Criteria and HQL is better than SQL in one case - you need DB independent logic to swap DB when necessary without rewriting code. Hibernate Query Language - HQL. Hibernate, the raw SQL query would always be faster than the criteria query. name as employeeName, m. May 11, 2016 · 'Detached from session object' Detached Criteria may be used in two scenarios: Building criteria query with no session object: Session only requires during executing the query/submitting the query to database, not while building the query. To test this you need to create a representative query in both HQL and using the Criteria interface. Furthermore, when we use it with Metamodel API, it makes compile-time-checks to confirm if we used the correct field names and types. Criteria API offers a programmatic way to create typed queries, which helps us avoid syntax errors. This way you can quickly tweak the HQL/LINQ until you get a green bar. 3. Unlike Criteria API, JPQL and HQL make it easy to predict the underlying SQL query that's generated by the JPA provider. Antes de se preocupar se Criteria é mais performático que HQL é melhor se preocupar em habilitar second level cache, query cache, batch size e Jul 18, 2022 · Here is a quick tutorial on stating the differences between the query, native query, named query, and typed query. But there is one major difference between the JPA 2. As we discussed HQL provides a way of manipulating data using objects instead of database tables. You first call the createCriteria method to get a Criteria object. When using HQL, Hibernate can generate the SELECT clause of your query based on the FROM clause. Using this object, you can create a sub-Criteria that represents the JOIN clause. Overview of everything from CRUD, executing queries and using JPA with Hibernate. EAGER. Antes de se preocupar se Criteria é mais performático que HQL é melhor se preocupar em habilitar second level cache, query cache, batch size e Dec 15, 2010 · Overall, if you use HQL or Criteria to create your final SQL you won't see much difference in performance in the later versions of Hibernate (version 3. right outer join 4. If you are not a big fan of Criteria API, then there’s a much better alternative to building dynamic entity queries. But, assuming the same underlying SQL is being executed in both cases, the reason is that the criteria query is doing extra work with the result set. Hibernate also provides more object oriented alternative ways of HQL. 1 Clearly Define MQL and HQL Criteria: 4. Antes de se preocupar se Criteria é mais performático que HQL é melhor se preocupar em habilitar second level cache, query cache, batch size e Hibernate - Criteria Queries - Hibernate provides alternate ways of manipulating objects and in turn data available in RDBMS tables. A Query is similar in syntax to SQL, and it’s generally used Só para salientar, a diferença de performance entre Criteria e HQL por causa do parsing é provavelmente, como o próprio autor da resposta comenta, o menos gritante quanto ao assunto performance. The logic can be refactored with the IDE and has all the type-safety benefits of the Java language itself. Criteria queries offer a type-safe approach to querying. class); After this code is executed, Hibernate will generate the following SQL query: Aug 11, 2021 · The hibernate HQL joins are borrowed from ANSI SQL. This is more useful feature for those who don't want to write the query in hand. Aug 25, 2014 · HQL VS Criteria API - Performance. Because the Criteria API presents a few pitfalls, I decided to answer it in a new Hibernate Tip. Antes de se preocupar se Criteria é mais performático que HQL é melhor se preocupar em habilitar second level cache, query cache, batch size e IMPORTANT REMINDER REGARDING HANDGUN QUALIFICATION LICENSE (HQL) RENEWALS: HQL renewal applications must be submitted prior to the expiration date of the current HQL. 2 onwards in favour of the JPA CriteriaQuery API. It covers the syntax, semantics, and features of HQL, as well as how to use it in various scenarios such as filtering, sorting, aggregating, projecting, joining, inserting, and updating. SELECT STATEMENT: You've to manually write the long queries, take care of where and other syntax. inner join 2. The big problem I see for using HQL is the lack of Intellisense Aug 15, 2024 · Criteria API Query, constructed programmatically via different methods; Let’s explore them. Antes de se preocupar se Criteria é mais performático que HQL é melhor se preocupar em habilitar second level cache, query cache, batch size e HQL vs Criteria example. Aug 9, 2022 · Incremental construction of HQL queries requires String concatenation and results in hard to read code. parse("2014-10-12"); Query query = session. There is a difference in terms of performance between HQL and CriteriaQuery, everytime you fire a query using criteriaQuery, it creates a new alias for the table name which does not reflect in the last queried cache for any DB. La mayoría de las respuestas aquí son engañosas y mencionan que Criteria Queries son más lentas que HQL, lo que en realidad no es el caso. Feb 23, 2012 · HQL looks more like SQL and you can write more compressed code. Here in hibernate, we need to use add() method available for the Criteria object and it is helped to add restrictions for a criteria query. For all the query statements you can statically define while implementing your application, you’re most likely using JPQL or the Hibernate-specific extension called HQL. I just wanna that which will be used in which scenario? Só para salientar, a diferença de performance entre Criteria e HQL por causa do parsing é provavelmente, como o próprio autor da resposta comenta, o menos gritante quanto ao assunto performance. Whether you are new to NHibernate or an experienced user, you will find this Nov 16, 2018 · The Hibernate Query Language (HQL) and Java Persistence Query Language (JPQL) are both object model focused query languages similar in nature to SQL. If strict JPA compliance is what you’re looking for, use the setting hibernate. HQL queries are defined as strings, similarly to SQL. setParameter("date", d); query. HQL vs Criteria example Raw. What could be the explanation to this?. Feb 9, 2017 · From the docs: "New development should focus on the JPA javax. createQuery(hql, Foo. Mar 6, 2024 · SQL (Structured Query Language) is a standard language for accessing and manipulating databases, while HQL (Hibernate Query Language) is an object-oriented query language used in the Hibernate framework. If you mark the association as lazy (the default for toMany associations), then you have th option of eagerly fetching them in a query, using a join fetch: HQL vs Criteria example. MyId = : id How can I write this without HQL in NHibernate (using criteria)? Jan 24, 2011 · Possible Duplicate: Hibernate: Criteria vs. So achieving this goal JPA and Hibernate come into this picture. I rarely have seen any project having issues using any of the 2 since the performance gains are miniscule. hibernate. Sorting the query’s results works much the same way with criteria as it would with HQL or SQL. Since you marked the association itself as eagerly-loaded, Hibernate will always load this association eagerly. Antes de se preocupar se Criteria é mais performático que HQL é melhor se preocupar em habilitar second level cache, query cache, batch size e Oct 1, 2022 · This is the main difference between HQL vs SQL. JPQL is a heavily-inspired-by subset of HQL. If you want something readable, use a HQL query. Querying with HQL and SQL I n the last chapter, we covered Hibernate’s criteria query API. query=true . Which is basically what you'll find in Hibernate: Criteria vs. The difference in performance between CriteriaBuilder and HQL does not show a significant increase, but Jan 9, 2024 · The Query interface provides object-oriented methods and capabilities for representing and manipulating HQL queries. It is written as strings, like “from Product p“. It might seem like there are 3 different ways to do the same thing. The Criteria interface provides methods to apply criteria such as retreiving all the records of table whose salary is greater than 50000 etc. Y también con Criteria Query se obtiene Control Orientado a objetos que no existe con Só para salientar, a diferença de performance entre Criteria e HQL por causa do parsing é provavelmente, como o próprio autor da resposta comenta, o menos gritante quanto ao assunto performance. Antes de se preocupar se Criteria é mais performático que HQL é melhor se preocupar em habilitar second level cache, query cache, batch size e Jan 22, 2014 · I am trying to query all customers records using HQL in my Spring/ Hibernate app that have DateAdded between Date1 and Date2 OR LastSeen between Date1 and Date2, so I've build this HQL query in the HQL vs Criteria example. 0 Criteria API is a typesafe API and thus gives compile time checks, code completion, better refactoring support, etc. How to use Hibernate to execute CRUD (select, read, update, delete) queries. Criteria. Generally Criteria queries are really good when you want to build a dynamic query. How to execute HQL queries with Hibernate. If you want to compose a query dynamically, based on various, optional, search criteria, then the Criteria API allows that, and is more convenient than dynamically composing an HQL query. The Hibernate Query Language (HQL) and Java Persistence Query Language (JPQL) are both object model focused query languages similar in nature to SQL. You can specify any type of complicated syntax using the Criteria API. Named queries are better for a query that only had parameters that change but not the structure as it's parsed once and doesn't have to be rebuilt each time you use it. The difference here is, it uses the Object of Criteria APIs. Jan 8, 2024 · An alternative to using a constructor in the HQL query is to use a ResultTransformer: Query query = session. Chapter 15. Hibernate Query Language is an object-oriented query language, similar to SQL, except that instead of working HQL vs Criteria example. StartTime + table. Eventually, Hibernate-specific criteria features will be ported as extensions to the JPA javax. Here, we are generally referring to multi-valued comparisons, typically associated with components. department Hibernate cung cấp một vài cách để thao tác dữ liệu với database như Hibernate Query Language (HQL), Hibernate Criteria Queries, Native Queries, … Trong bài viết này, tôi sẽ giới thiệu với các bạn Hibernate Query Language (HQL), trong các bài viết tiếp theo chúng ta sẽ lần lượt tìm hiểu các Apr 12, 2024 · When it comes to Java development, managing a database is a crucial aspect of creating powerful Java applications. Employee"; Query query = session. Advantage of HQL. They tell Mar 5, 2004 · Here, instead of hand-coded HQL, Criteria API allows specifying various query criteria and executes the equivalent HQL query behind the scenes. Unsafe references to domain types and properties via plain Strings were another issue with JPQL vs. left outer join 3. createCriteria(Student. Mar 20, 2024 · 4 MQL vs. Trước tiên mình sẽ có một ví dụ để các bạn thấy sự khác biệt trong sử dụng criteria với hql: Hibernate uses a powerful query language (HQL) that is similar in appearance to SQL. criteria. SQL injection possible if not used parameterized query. May 7, 2015 · The method createCriteria() creates Criteria object for setting the query parameters. Order class to sort your result set in either ascending or descending order, according to one of your object’s properties. java This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. One of the methods is Criteria API, which allows you to build up a criteria query object programmatically where you can apply filtration rules and logical conditions. DISTINCT_ROOT_ENTITY); This statement is executed ex-post . So it is database independent query language. Here, we used the Criteria Object. These joins are 1. 0 Criteria API and the Hibernate's Criteria API that is worth mentioning: the JPA 2. See Chapter 14, Criteria for more information. HQL vs Criteria example. You can even use them without a DTO class Nov 1, 2017 · HQL (Hibernate Query Language) HQL can be used to perform SELECT, INSERT, UPDATE, DELETE. Jul 10, 2019 · Based on what I have seen working with similar ORM tools, e. That's cool. What are Criteria APIs? HQL vs Criteria example Raw. – HQL vs Criteria example. CriteriaQuery API. In that case, your query selects all entity classes referenced in the FROM Só para salientar, a diferença de performance entre Criteria e HQL por causa do parsing é provavelmente, como o próprio autor da resposta comenta, o menos gritante quanto ao assunto performance. Antes de se preocupar se Criteria é mais performático que HQL é melhor se preocupar em habilitar second level cache, query cache, batch size e Aug 9, 2022 · Incremental construction of HQL queries requires String concatenation and results in hard to read code. Once the SQL query from DB engine is returned and Hibernate iterates the result set to convert that into list of our entities. Here we focus on describing the complete, more powerful HQL language as it exists today. With HQL we can use a named query so the NH parsing of the query is done once at the beginning and you can easily replace the HQL with an SQL if needed. 1 Share this: Mar 23, 2018 · You have three options: 1) If you are not pinned to Critera api, I recommend to use HQL instead of Criteria API Date d = new SimpleDateFormat("yyyy-MM-dd"). Si profundizas y realizas algunas pruebas verás Las consultas de criterios funcionan mucho mejor que el HQL normal. Criteria queries enable the user to write queries without using raw SQL. 01_criteria. Mar 28, 2022 · Filtering the data based on Salary. Table and Column names are case-sensitive in HQL. setParameter("visitorId", 1L); Long count = (Long) query What are the pros and cons of using Criteria [1] or HQL [2]?The Criteria API is a nice object-oriented way to express queries in Hibernate, but sometimes Criteria Queries are more difficult to understand/build than HQL. May 18, 2015 · You choose criteria over HQL based on capabilities and readability. Criteria can be used to perform only SELECT. date)=:date and v. Feb 4, 2011 · We would like to show you a description here but the site won’t allow us. compliance. Antes de se preocupar se Criteria é mais performático que HQL é melhor se preocupar em habilitar second level cache, query cache, batch size e Jul 11, 2018 · Introduction. Phù hợp với các truy vấn cố định, đối với các truy vấn phức tạp, nhiều điều kiện sẽ dẫn đến việc thêm và bớt điều kiện trở nên phức tạp, rất khó để gỡ bỏ và thêm vào trong 1 chuỗi truy vấn. May 14, 2015 · Can anyone guide me where i am going wrong? Its giving zero result but in db values are existing as for condition appear in the below query. In this, we pass the name of an entity and which lets you access any property of the object. Mar 26, 2019 · HQL doesn’t support pagination concept, but we can achieve pagination with Criteria; Criteria used to take more time to execute then HQL ; With Criteria we are safe with SQL Injection because of its dynamic query generation but in HQL as your queries are either fixed or parametrized, there is no safe from SQL Injection. In my case, I tend to use HQL because it allows me to write much shorter and cleaner code for complex queries (again, it's really a matter of preference, I believe). GitHub Gist: instantly share code, notes, and snippets. HQL is a superset of the JPQL, the Java Persistence Query Language. Nov 30, 2017 · No, it's not possible. Só para salientar, a diferença de performance entre Criteria e HQL por causa do parsing é provavelmente, como o próprio autor da resposta comenta, o menos gritante quanto ao assunto performance. In this chapter, we discuss the Hibernate Query Language (HQL) and Hibernate’s native SQL functionality. Query. Compared with SQL, however, HQL is fully object-oriented and understands notions like inheritance, polymorphism and association. Duration >= : startTime and table. Advantage of HCQL. " Also, if you want to write legible queries (instead of using the clunky Criteria API) , have a look at QueryDSL. hibernatebook. If the Departments, even in this case, continue to be returned, is because your mapping between Employee and Department (a @OneToMany) are setted with FetchType. HQL renewal applications submitted after the expiration date will result in the rejection of the HQL renewal application and require a new HQL application be submitted with a new Só para salientar, a diferença de performance entre Criteria e HQL por causa do parsing é provavelmente, como o próprio autor da resposta comenta, o menos gritante quanto ao assunto performance. 4. createQuery("select count(*) from Visit v where trunc(v. Hibernate uses a powerful query language (HQL) that is similar in appearance to SQL. Sep 7, 2011 · It was comparing using the Hibernate Criteria API vs Hibernate Named Queries. Oct 13, 2008 · JPQL and HQL. EXISTS subqueries with Blaze Persistence. Hibernate Criteria API provides one of these alternatives. g. JPQL is the JPA standard entity query language while HQL extends JPQL and adds some Hibernate-specific features. Str = QueryImpl(from ArcZipCodeRange where cast Sep 17, 2020 · HQL Criteria; HQL xây dựng truy vấn dựa trên định dạng chuỗi. ilike function which has the following contract:. Antes de se preocupar se Criteria é mais performático que HQL é melhor se preocupar em habilitar second level cache, query cache, batch size e We would like to show you a description here but the site won’t allow us. We can simply write more flexible, dynamic queries compared to plain HQL. HQL: A Spectrum, not a Binary Choice . visitor. Antes de se preocupar se Criteria é mais performático que HQL é melhor se preocupar em habilitar second level cache, query cache, batch size e Apr 13, 2023 · HQL vs SQL. id=:visitorId"); query. Along with Criteria queries, we’ll explore writing Hibernate Named Queries and how to use the @Query annotation in Spring Data JPA. Criteria criteria = session. HQL: The Hibernate Query Language is a comprehensive guide to the powerful and expressive query language of NHibernate. This query clearly shows how much less code Hibernate’s Criteria API required. . They are as follows: database independent; supports polymorphic queries Jan 25, 2024 · Figure 8: Criteria Builder performance compared to Native Query and HQL for large database. 1. The java programmer is able to add many criteria on a query. jpa. Note: 1. The HCQL provides methods to add criteria, so it is easy for the java programmer to add criteria. createQuery("select m. Criteria queries are a programmatic, type-safe way to express a query. Sep 3, 2012 · Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand Using this language one can retrieve the data from the database as we have already done with HQL. SQL, on the other hand, is table-oriented and operates on tables and columns. 4 Establish Clear Communication Between Marketing and Sales: 5 Partner with ONLY B2B to Unlock Your MQL-HQL Potential 5. 1 Optimizing the MQL-HQL Journey . Jun 1, 2024 · For fixed criteria and if performance of a query is a big issue it is not only a matter of taste. Criteria Interface Jan 14, 2015 · QueryDSL is a level of abstraction above criteria; Also, it is more similar to SQL so it might be easier to learn for people who have not touched Criteria before. Let me show you how to use them in JPQL, Criteria and native queries. Mar 8, 2024 · Criteria API: For dynamic or complex queries, the Criteria API provides a programmatic way to construct queries, offering more flexibility and type safety than JPQL. 3 Develop a Nurturing Strategy for MQLs: 4. Unsafe references to domain types and properties via plain Strings were another issue with Jan 22, 2014 · I am trying to query all customers records using HQL in my Spring/ Hibernate app that have DateAdded between Date1 and Date2 OR LastSeen between Date1 and Date2, so I've build this HQL query in the Hibernate's Criteria API has Restrictions. Antes de se preocupar se Criteria é mais performático que HQL é melhor se preocupar em habilitar second level cache, query cache, batch size e Jan 26, 2022 · The Criteria API query above generates the very same SQL query the previous JPQL query has generated. HQL. persistence. HQL is very similar to SQL except that we use Objects instead of table names, that makes it more close to object oriented programming. Criteria - No need to parse before generating. Criteria vs. Hibernate Query Language (HQL) Clauses Hibernate uses a powerful query language (HQL) that is similar in appearance to SQL. class); DTO projections are the most efficient ones for read operations. However, Criteria can be very useful too because it allows me to May 29, 2015 · criteria. While both HQL and SQL are query languages, they have some key differences: Object-Oriented vs Table-Oriented: HQL is object-oriented, meaning it operates on objects and their properties. So, in terms of SQL-generation overhead we have: Named HQL/JPAQL Query - SQL generation happens only once. This example demonstrates how you would use the Order class: Nov 14, 2023 · Pagination in Hibernate - using basic HQL, ScrollableResults as well as the more flexible and type-safe Criteria API. Both HQL and JPQL are non-type-safe ways to perform query operations. I am using inner joins via HQL as well as Criteria API to understand the difference in execution between the two and found an interesting one:. Share Improve this answer Nov 23, 2023 · JPQL was inspired by early versions of HQL, and is a proper subset of modern HQL. Nov 23, 2023 · JPQL was inspired by early versions of HQL, and is a proper subset of modern HQL. Dec 4, 2015 · Criteria queries are type-safe. Jul 14, 2011 · HQL is to perform both selec t and non-select operations on the data, but Criteria is only for selecting the data, we cannot perform non-select operations using criteria. name"; Query<Foo> query = session. With JPQL and native SQL queries, Hibernate supports 2 query languages that you can use to search data in your database. A JPQL query is a valid HQL query, but not all HQL queries are valid JPQL queries. Jun 9, 2024 · Clearly, the main and most hard-hitting advantage of Criteria Queries over HQL is the nice, clean, object-oriented API. createQuery(hql); List results = query. Use HQL for static and complex queries, because it's much easier to understand/read. Jan 8, 2024 · But sometimes, we need a more programmatic approach, such as Criteria API or QueryDSL. Keywords like FROM, SELECT, WHERE are not case-sensitive in HQL. Antes de se preocupar se Criteria é mais performático que HQL é melhor se preocupar em habilitar second level cache, query cache, batch size e Learn about hibernate Criteria query interface, its basics, syntax, fetching data with multiple conditions including pagination and sorting. HQL is suitable for executing Static Queries, where as Criteria is suitable for executing Dynamic Queries. Criteria xây dựng truy vấn dựa trên cú pháp code. String hql = "FROM com. A case-insensitive "like", similar to Postgres ilike operator. Antes de se preocupar se Criteria é mais performático que HQL é melhor se preocupar em habilitar second level cache, query cache, batch size e Aug 3, 2022 · HQL or Hibernate Query Language is the object-oriented query language of Hibernate Framework. How to use JPA with Hibernate. Jul 15, 2016 · However, with HQL/JPAQL you can define named queries, where the SQL is generated when the SessionFactory starts up. 3 and above). HQL supports the use of ANSI SQL row value constructor syntax, sometimes referred to AS tuple syntax, even though the underlying database may not support that notion. Native Queries. JPQL and HQL are very expressive and resemble SQL. Jan 8, 2024 · It is important to note that Hibernate has deprecated its Criteria API from version 5. criterion. You can then add one or more Restrictions to this sub-Criteria. But the same class also has like function, having much more vague contract: JPQL is a heavily-inspired-by subset of HQL. First, a Criteria object is obtained by invoking the Session object’s createCriteria() method, providing a class of object(s) desired to be returned as a query result, as a method argument. There are many advantages of HQL. full join More than one entity can also appear in HQL which will perform cartesian product that is also known as cross join. setResultTransformer(Criteria. There are HQL Query and Criteria Query in Hibernate. Difference in HQL and Criteria (Object Relational Mapping forum at Coderanch) HQL vs Criteria example Raw. They are type-safe in terms of using interfaces and classes to represent various structural parts of a query such as the query itself, or the select clause, or an order-by, etc. We need to write the below methods to do that. Antes de se preocupar se Criteria é mais performático que HQL é melhor se preocupar em habilitar second level cache, query cache, batch size e Só para salientar, a diferença de performance entre Criteria e HQL por causa do parsing é provavelmente, como o próprio autor da resposta comenta, o menos gritante quanto ao assunto performance. How to use Hibernate's Criteria API for dynamic queries. Instead of table name, we use class name in HQL. Jan 17, 2023 · HQL vs Criteria example. 2. HQL and Case Sensitivity: HQL is case-insensitive except for java class and variable Nov 2, 2017 · So sánh Hibernate Criteria với HQL, HSQL /JPQL (Xem lại: Code ví dụ Hibernate Criteria) (Xem lại: Code ví dụ Hibernate Session (sử dụng HQL)) Ví dụ Hibernate Criteria với HQL. In SQL, we will filter the day by means of adding the “WHERE” clause. This leads to an overhead of compiling the generated SQL, taking more time to execute. HQL is a language with its own syntax and grammar. The Criteria API provides the org. JPQL, HQL or Criteria API), you can use any SQL function without having to register it as long as the function is passed directly to the WHERE clause of the underlying SQL statement. In addition to that, there is also JPA’s Criteria API that replaced Hibernate’s proprietary Criteria API. Jan 8, 2024 · In this tutorial, we’ll see how to use JPA and Hibernate queries and the difference between Criteria, JPQL, and HQL queries. May 25, 2010 · Even though NHibernate Criteria is better in terms of performance, NHibernate Linq provides compile time checking. CriteriaQuery. There are three basic types of JPA Queries: Jun 9, 2024 · Clearly, the main and most hard-hitting advantage of Criteria Queries over HQL is the nice, clean, object-oriented API. In theory, named queries have less overhead than Criteria. Improve this answer. So, the question I want to answer today is: How can I create a JOIN, LEFT JOIN and JOIN FETCH clause using JPA’s Criteria API? Solution: JPA’s different JOIN clauses are one of the essential parts of JPQL and the Criteria API. Mar 17, 2015 · Putting HQL in XML files is a good practice, maybe see if the ReSharper NHIbernate plugin can handle the query refactoring by now? A big improvement when writing or refactoring queries (HQL or LINQ) is to put finder methods under unit test. When executing an entity query (e. 2 Implement Lead Scoring: 4. list(); Mệnh đề AS Mệnh đề AS có thể được sử dụng để gán các bí danh cho các lớp trong các truy vấn HQL, đặc biệt khi bạn có các truy vấn dài. lsdg modro qwwqto ekmer ufoyxze divveud akjmqtc yrann fxqabq zmtbq