Posts by ewerton • 285 points
5 posts
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1
votes1
answer30
viewsA: Scoring
Think of it this way: Alternative A: 1 point Alternative B: 20 points Alternative C: 300 points Alternative D: 4000 points If a person answers the same alternative up to 10 times, the score will…
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1
votes0
answers96
viewsQ: Jpaupdateclause with Join
I have the following entities: @Entity @Getter @Setter @NoArgsConstructor @Table(schema = "MYDB", name = "TB_TESTE") public class Teste implements Serializable { @ManyToOne @JoinColumn(name =…
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8
votes3
answers15292
viewsQ: VARCHAR2 field boundary size in Oracle
I got a column with the guy VARCHAR2 (4000 CHAR) and I’m testing the field boundary size VARCHAR2 in the Oracle. I thought there was a limit to 4000 bytes in the field, even if specifying the value…
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2
votes0
answers426
viewsQ: Exception when deleting directory using Fileutils.deleteDirectory
The directory has 6 files inside it. The exception is java.io.Ioexception: Unable to delete file: tmp umDosArchives. Manually, I can delete all the files and the directory. I used the canWrite…
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6
votes1
answer895
viewsQ: Duplicate records with Onetomany relationship
I have a map as follows: public class ClasseA { public ClasseA(){ listaClasseB = new ArrayList<ClasseB>; } @OneToMany(mappedBy = "xxxx", fetch = FetchType.LAZY, cascade = CascadeType.ALL,…