query: MySQL: Which one is faster in 1:N relationships? Join or two queries?
positive_passages.docid: 16107
positive_passages.text: JOIN queries vs multiple queries
negative_passages.docid: 100461
negative_passages.text: When or why would you use a right outer join instead of left?
negative_passages.docid: 32095
negative_passages.text: SQL syntax multiple joins?
negative_passages.docid: 100793
negative_passages.text: What's better here - a single column or multicolumn primary key?
negative_passages.docid: 5208
negative_passages.text: Which is faster/best? SELECT * or SELECT column1, colum2, column3, etc
negative_passages.docid: 130567
negative_passages.text: Difference between INNER JOIN and WHERE?
negative_passages.docid: 120506
negative_passages.text: Performance/efficiency of 2 SELECT statements vs UNION vs anything else in MySQL-PHP
negative_passages.docid: 37071
negative_passages.text: SOQL: Comparing two custom relationship fields in a nested query
negative_passages.docid: 110490
negative_passages.text: How to mimic a full outer join using mysql views?
negative_passages.docid: 83319
negative_passages.text: Multiple Indexes vs Multi-Column Indexes
negative_passages.docid: 127553
negative_passages.text: Why is this MySQL SELECT performing so slowly despite indexing?
negative_passages.docid: 73561
negative_passages.text: Oracle Joins - Comparison between conventional syntax VS ANSI Syntax
negative_passages.docid: 28969
negative_passages.text: MySQL syntax for Join Update
negative_passages.docid: 8316
negative_passages.text: Do frequent DML operations on a table with indexes and huge data affect SELECT query performance?
negative_passages.docid: 138361
negative_passages.text: What's faster, SELECT DISTINCT or GROUP BY in MySQL?
negative_passages.docid: 138755
negative_passages.text: Designing a friendships database structure: Should I use a multivalued column?
negative_passages.docid: 152775
negative_passages.text: Alternative to Intersect in MySQL