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DBI, Placeholders, and a nested query : r perl - Reddit DBI, Placeholders, and a nested query Edit: Solution found and described below Hello all, I'm attempting to insert update into an MSSQL database The source of the data is another database Sometimes the source database has new records, and other times there are existing records So I'm attempting to do this:
SQLite - can I use placeholder for table names? - Reddit SQLite - can I use placeholder for table names? I'm looping and with each loop I manipulate data and then save it to different CSV file Now I'm trying to do the same with SQLite I have many tables but for sake of simplicity, lets say i have 3 tables: first_table, second_table, third_table
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Url submission : r duckduckgo - Reddit Url submission When I submitting url in bang submission in duck duck go it saying this - Please add a query placeholder like { { {s}}} in the URL Please help me
Using named placeholders in queries and PSQLs :alnum: at the . . . - Reddit Executing this yields the error: ActiveRecord::PreparedStatementInvalid (missing value for :alnum in SELECT) In other words, Rails thinks that :alnum is a named placeholder But it isn't, it's a PostgreSQL 's keyword, so my question is: How can I use named placeholders in queries and PSQL's :alnum: at the same time?
Is this good safe to use placeholder like this - Reddit I'm trying to take one input parameter which is username or email for sign in purposes This is submitted to a single input which gonna accept email or username The query will try to find match whether for email or username SELECT id FROM account WHERE email = $1 OR username = $1 is this good safe or there are better way?
Why is it considered bad practice to write raw SQL commands? He said writing raw SQL is considered bad practice and that I should use Prisma But didn't explain to me why it's a bad practice, also, I recall reading somewhere online that Prisma has some issues and it’s not even advised to use it in production anymore in 2024
What is the reason of this question mark ? in JDBC or SQL? The question mark is a placeholder in your SQL statement that is given a real value when the statement is executed They're known as query parameters As others have said, they're a way to prevent SQL injection, but also they make your code much more readable in any case, so if you're putting SQL into any programming language, use parameters