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2answers
69 views

DBO execute returns true but doesn't execute

I am having a bit of trouble with some of my code. This is the code: $STMT3 = $PDO->prepare(' INSERT INTO `lotteries_entries` (steamID, lottery_id) VALUES (:STEAMID, :ID); UPDATE ...
1
vote
1answer
110 views

Benefits of using prepared statements in stored procedures?

Except from helping avoid SQL injection, what are the benefits - if any - of using prepared statements inside a store procedure (assume query is only executed once in the procedure)? Does the engine ...
3
votes
0answers
69 views

Tagged questions

I have similar to StackExchange network that utilises tagged questions. In my web application Users also can find questions by tags. The query below returns a set of tagged questions: SELECT ...
1
vote
0answers
61 views

Fetching from parent/child table pairs

Let there are two tables: "parent" and "child" related by 1:n relation (to every "parent" row there correspond any number of "child" rows). Suppose we need to fetch a subset of parent table with all ...
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0answers
32 views

How to collect prepared statements in performance_schema on MySQL 5.7

Just installed MySQL 5.7.10 64bit locally (Windows environment) and prepared statements are not being logged in performance_schema. In release notes it's being specified this feature is available ...
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0answers
40 views

MySQL prepared statement error

Good afternoon, I'm trying to use a prepared statement within a stored procedure in MySQL, but when I attempt to link the variable I get a syntax error. Here is the code SET _sql = ...
0
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0answers
178 views

Performance: Interleaving several statement handles in MySQL

Does interleaving several statement handles slow the system down? Example (Perl): $sth1->execute(...); $sth2->execute(...); $sth1->execute(...); $sth2->execute(...); (interleaved) vs ...
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0answers
219 views

Using prepared statements in libpqxx with variable numbers arguments

I am trying to do some streamlining of a PostgreSQL database application. I am collecting data in a real-time setting using a Windows application and libpqxx. I would like to look into using ...
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0answers
2k views

How can I create a view in a stored procedure on MySQL?

I am trying to dynamically create views based on an SQL query and have a trigger recreate them when the fields in the view are to change. When I call the procedure I end up with a permission denied ...