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<h1>Devops delete repository</h1>
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<h1>TypeORM - Working with Repository</h1>
<p>Repository is specific to an entity. In other words, each entity will have its own, build-in repository and it can be accessed using getRepository() method of connection object as specified below ?</p>
<p>Once the student repository object is created, it can be used to do all database operation of student object.</p>
<h2>Repository types</h2>
<p><b>Repository</b> is classified into four categories. They are as follows ?</p>
<h3>Repository</h3>
<p>Default repository of an entity and it can be accessed using <b>getRepository()</b> method as specified below ?</p>
<p>Now, <b>studRepository</b> can be used to query student table</p>
<h3>TreeRepository</h3>
<p>Used for tree like structure entities and it can be accessed using <b>getTreeRepository()</b> method as specified below ?</p>
<h3>MongoRepository</h3>
<p>Used inside mongoDB operation entities and it can be accessed using <b>getMongoRepository()</b> method as specified below ?</p>
<h3>CustomRepository</h3>
<p>Used to customize the repository and it can be accessed using <b>getCustomRepository()</b> method as specified below,</p>
<h2>Repository API</h2>
<p>Let us learn most important method of the EntityManager in this chapter.</p>
<h3>manager</h3>
<p>We can access <b>EntityManager</b> using manager method as specified below ?</p>
<h3>queryRunner</h3>
<p><b>queryRunner</b> method returns custom query runner object and it is used for database operations by repository. The sample code is as follows ?</p>
<h3>metadata</h3>
<p><b>metadata</b> returns repository?s metadata. The sample code is as follows ?</p>
<h3>query</h3>
<p><b>query</b> method executes SQL queries. Simple select query as shown below ?</p>
<h3>insert</h3>
<p><b>insert</b> method is used to insert a new entity or array of entities to the database. The sample code is as follows ?</p>
<p>The above query is equivalent to,</p>
<h3>update</h3>
<p><b>update</b> is used to update the existing records in the database.</p>
<p>This query works similar to the one mentioned below ?</p>
<h3>delete</h3>
<p><b>delete</b> method will delete the specified record from the table,</p>
<p>This will delete student with id <b>1</b> from the <b>student</b> table. It is equivalent to,</p>
<p>If you want to delete by name then use the below query,</p>
<p>This query will delete all the student having name, <b>Student1</b></p>
<p>** softDelete and restore **</p>
<p>It is used to soft delete the data and you can restore the record based on the id of the student. The sample code is as follows ?</p>
<p>You can restore the student record using below command ?</p>
<p>An alternative option to delete and restore is to use <b>softRemove</b> and <b>recover</b> methods. The sample code is as follows ?</p>
<p>And, you can recover them using recover method as specified below,</p>
<p><b>save</b> is used to save the given entity into the database. Simple Student entity can be save as shown below ?</p>
<p>This will add new student record into the database.</p>
<h3>remove</h3>
<p><b>remove</b> is used to delete the given entity from the database. Simple Student entity can be deleted as shown below ?</p>
<h3>count</h3>
<p><b>count</b> method will return the number of records available in the table and you can use it pagination purposes. The sample code is as follows ?</p>
<p><b>find</b> method is used for searching purposes. It fetches all the record from database as shown below ?</p>
<h3>findOne</h3>
<p>Similar to <b>find</b> method, but returns the first matched record. The sample code is as follows ?</p>
<h3>clear</h3>
<p><b>clear</b> method clears all the data from the table. The sample code is as follows ?</p>
<h2>Devops delete repository</h2>

<h3>Devops delete repository</h3>
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<h4>Devops delete repository</h4>
TypeORM - Working with Repository - Repository is specific to an entity. In other words, each entity will have its own, build-in repository and it can be accessed using getRepository() method of c
<h5>Devops delete repository</h5>
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SOURCE: <h6>Devops delete repository</h6> <a href="https://dev-ops.engineer/">Devops delete repository</a> Devops delete repository
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