Posts by Herivelton Paiva • 56 points
4 posts
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answers77
viewsA: Doubt of relationship of tables
To have the client’s cgccpf I have to relate the id_addressee with the table addressed by the id_addressee. Why is the client’s cgcpfg in the address table ?? should not be in the users' table?…
sql-serveranswered Herivelton Paiva 56 -
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answer50
viewsA: Java - Class does not display requested information
model.Acessar acessarM = new model.Acessar(date); You are instilling the object again before updating, without passing the name and password, other than the first call. model.Acessar acessar = new…
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viewsA: Duplicate results when searching with POSTGRES
You don’t need to use the group by, because there is no aggregation function in the query. Use the distinct to remove duplicated items and change the joins for left or right depending on the table…
postgresqlanswered Herivelton Paiva 56 -
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answer46
viewsA: Client - Console error server
This giving Nullpointerexception, you are using the keypressed event so the moment you click inside the inputText it will already submit the value. Make sure that this "zonaReceberMensagens" object…
javaanswered Herivelton Paiva 56