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Reading query plans, hands on
Find the slow query before your users do.
- Day
- Day 2 · Wed 19 May
- Starts
- 10:00
- Length
- 2 hours
- Price
- €140 per person
What you'll build
A habit. By the end you will read a query plan in under a minute and know which of four fixes to reach for.
Who it's for
Anyone who writes queries or reviews schema changes. No database internals needed; we start from the first line of a plan.
Agenda
- 10:00 The anatomy of a plan, on a real dataset
- 10:30 Lab one: three slow queries, three different causes
- 11:15 Lab two: bring your own query or use ours
- 11:45 The review checklist, and how to roll it out to a team
The dataset and the checklist are yours to keep.
What to bring
- Laptop and charger
- A database client you like
- One slow query from your own system (optional)
All levels
Reading query plans, hands on
Find the slow query before your users do.
- Day
- Day 2 · Wed 19 May
- Starts
- 10:00
- Length
- 2 hours
- Price
- €140 per person
What you'll build
A habit. By the end you will read a query plan in under a minute and know which of four fixes to reach for.
Who it's for
Anyone who writes queries or reviews schema changes. No database internals needed; we start from the first line of a plan.
Agenda
- 10:00 The anatomy of a plan, on a real dataset
- 10:30 Lab one: three slow queries, three different causes
- 11:15 Lab two: bring your own query or use ours
- 11:45 The review checklist, and how to roll it out to a team
The dataset and the checklist are yours to keep.
What to bring
- Laptop and charger
- A database client you like
- One slow query from your own system (optional)
All levels
Reading query plans, hands on
Find the slow query before your users do.
- Day
- Day 2 · Wed 19 May
- Starts
- 10:00
- Length
- 2 hours
- Price
- €140 per person
What you'll build
A habit. By the end you will read a query plan in under a minute and know which of four fixes to reach for.
Who it's for
Anyone who writes queries or reviews schema changes. No database internals needed; we start from the first line of a plan.
Agenda
- 10:00 The anatomy of a plan, on a real dataset
- 10:30 Lab one: three slow queries, three different causes
- 11:15 Lab two: bring your own query or use ours
- 11:45 The review checklist, and how to roll it out to a team
The dataset and the checklist are yours to keep.
What to bring
- Laptop and charger
- A database client you like
- One slow query from your own system (optional)
11 · See you there
See you in Lisbon.
Doors open · Tue, 18 May 2027 at 09:00 · Pavilhão do Rio
11 · See you there
See you in Lisbon.
Doors open · Tue, 18 May 2027 at 09:00 · Pavilhão do Rio
11 · See you there
See you in Lisbon.
Doors open · Tue, 18 May 2027 at 09:00 · Pavilhão do Rio