Why creating parameters for each field that will be updated helps prevent SQL Injection? Example:
SqlCommand comm = new SqlCommand("UPDATE Contatos Set Telefone = @Telefone, " +
"Cidade = @Cidade, " +...
I'm trying to add a new column to a SQL Server table, and I want to know if it already exists or not. I have tried something like this:
IF EXISTS( SELECT * FROM INFORMATION_SCHEMA.COLUMNS
WHERE TABLE_NAME = 'minhaTabela'...
I'm studying C # and just did my first query in the Data Bank:
using System;
using System.Data.Entity.Core;
using System.ComponentModel.DataAnnotations;
using System.ComponentModel.DataAnnotations.Schema;
namespace Test.Models
{...
I've heard a lot about Full Text Search (FTS) lately, and they told me that I should use this instead of writing queries with LIKE . But how to use Full Text Search ? What are the advantages and disadvantages? And when is it really better...
How can I condition the insertion of a record into a table in SQL Server using the T-SQL language considering the following rules:
If the record to be inserted already exists in the table, only update the field referring to the record modifi...
I have a ESTOQUE table containing a field called QTDE , this field has 3 decimal places.
What would be the command to return straight from SQL formatted with 3 houses? Because the whole values are returning without the houses....
I have the following condition:
WHERE sv_users.userDataNascimento LIKE '%95%';
And this condition searches on a date ( 11/12/1995 ), type VARCHAR and not Timestamp , a year ending with the numerals 95 . This numera...
I'm working on a new project where I need to save the latitude and longitude coordinates of an address in the database.
Is there an ideal data type for this?
I searched and saw some recommendations for using decimal, but I'm in doubt if it...