Question : When I face a huge number of repeated INSERTs in a loop, I tend to first create a […]
Tag: prepared-statement
Postgres sometimes uses sequential scan instead of an index only scan for data that doesn’t exist
Question : We are using Postgres 12 and We have a simple table like this: > d live_event_segmentation Table “public.live_event_segmentation” […]
MariaDb: right syntax of PREPARE statement for CONNECT type tables when passing string variable
Question : I run 10.4.12-MariaDB on Windows10 and I use 64-bit ODBC driver to connect tables from MS Access to […]
Where is the generic plan stored when using PREPARE statement in PostgreSQL?
Question : According to the document, if a prepared statement is executed enough times, the server may eventually decide to […]
PreparedStatement caching size on Oracle and SQL Server
Question : I understand that PreparedStatements are complied and cached by database servers. I would like to know if all […]
How much should I care about prepared statements for simple queries?
Question : I wonder how much I should care about prepared statements (and therefore try to optimize my code) in […]
Multiple statement conditions using OR AND within the query
Question : I have this survey table and I’m trying to gather the information of userid who answer Strongly agree […]
column precision exceeded. ORA-01438 is so unmeaningful
Question : I am not sure if this is a question to StackExchange DB Admin group. please let me know […]
MySQL stored routine performance while using PREPARE
Question : Instead of maintaining stored routines for each database in my current environment I have decided to create separate […]
Catching slow queries with prepared statements
Question : I use extended events to identify slow queries, defined as queries taking more than 2 seconds to complete, […]