Top Tweets for #SQLtips
Não ignore o Triângulo Amarelo ⚠️
Se ele apareceu, sua query está custando muito mais caro do que o necessário.
https://t.co/nzG6aLb76R
#SQLServer #PerformanceTuning #TSQL #BancoDeDados #ExecutionPlan #sql #DBA #SQLTips #SQLPerformance #Database
Evitando o Lock Escalation em ambientes OLTP 🛡️
Use lotes pequenos e evite bloqueios de tabela.
https://t.co/TS851YlqQL
#SQLServer #LockEscalation #DatabasePerformance #SQLTuning #TSQL #DBA #PerformanceTuning #SQL #SQLTips #SoftwareDevelopment #DataManagement #BancodeDados
Trace Flags: O Modo Diagnóstico do SQL Server 🕵️
https://t.co/iIKXXzS9xa
#SQLServer #TraceFlags #PerformanceTuning #DBA #Database #SQLTips #Tuning #BancodeDados #Optimization #ExecutionPlan #Deadlock #QueryOptimizer #Tech #SQL
Beginner Roadmap to First Data Job(2026 edition)
Master Excel & Google Sheets
Learn SQL (focus on joins & aggregations)
Basic Python (Pandas)
Build 3 portfolios projects
Start applying even with 0 exp
Part 1/5
Want the full roadmap?
Reply “ROADMAP”
#DataCareer #SQLTips
SQL Tip that changed how I analyze data:
Always use COUNT(*) with GROUP BY instead of guessing
Example:
SELECT Department, COUNT(*) as Employee_Count
FROM Employees
GROUP BY Department;
Beginners, save this
Reply 'SQL' for my free SQL Roadmap
#SQLTips #DataAnalysis #Career
Quick poll for beginners
What’s your biggest struggle right now?
A. Cleaning data in Excel
B. Writing basic SQL queries
C. Understanding Python
D. Building dashboards in Power BI
Vote and reply with your choice
I’ll drop targeted tips for the winner
#DataAnalysis #SQLTips
Vídeo quentinho no canal!
Guerra aos Cursores ⚔️
https://t.co/EBQQUPjzON
Liberte seu banco de dados da agonia do processamento linha por linha!
#SQLServer #Cursores #RBAR #PerformanceTuning #BancodeDados #Tuning #SQLTips #Database #Dev #DBA #CTE #WindowFunctions #SetBased
SQL Tip every beginner needs:
Never use SELECT * in production
Instead: SELECT customer_name, state, total_sales FROM sales WHERE state = 'Abuja'
Cleaner, faster & professional
Save this
Reply 'SQL' for more tips + free query cheat sheet
#SQLTips #DataAnalysis
1. Real talk — I was a fresh NYSC corper in Abuja with no data experience
No laptop at some point, just my phone and NEPA wahala
Today I help beginners avoid the mistakes I made
Here’s exactly how I did it
#SQLTips #DataAnalysis #NaijaData
🤩 VIDEO NOVO 🤩
Compactação – Otimize seu disco e turbine sua RAM 🚀
https://t.co/udiWyFtgjN
#SQLServer #Compactação #Database #DBA #PerformanceTuning #DataCompression #SQLTips #Storage #RAM #Tuning #BancodeDados #SQL #Otimização
SQL Tip: Never use SELECT * in real work
Instead:
SELECT CustomerName, SalesAmount, OrderDate FROM Sales...
Your queries will run faster and your seniors will respect you
Reply 'SQL' for the full beginner query template
#SQLTips
Part 3:
Day 15-21: The real game changers – JOINs
Learn:
INNER JOIN
LEFT JOIN
GROUP BY + COUNT, SUM, AVG
This is where you start solving real problems like “Total sales by state” or “Top customers in Abuja”
Practice daily for 45-60 mins
Consistency > intensity
#SQLTips
Thread 🧵:
How I would learn SQL in 30 days as a Nigerian graduate with NEPA wahala 😤
Part 1/5
Day 1-7: Learn SELECT, WHERE, ORDER BY using
free sites (no fancy laptop needed)
Save this thread 👇
#SQLTips #DataAnalysis
Quick poll for beginners in Data Analysis
Which tool scares you the most right now?
Vote and reply with your biggest struggle
I read every reply
#DataAnalysis #SQLTips
SQL Tip for beginners:
Always use WHERE before GROUP BY.
Wrong:
SELECT State, COUNT(*) FROM sales GROUP BY State WHERE State = 'Lagos'
Correct:
SELECT State, COUNT(*) FROM sales WHERE State = 'Lagos' GROUP BY State
Reply 'SQL' for free roadmap.
#SQLTips #DataAnalysis
Beginner Data Analysts in Nigeria, be honest:
What’s your biggest struggle right now?
Vote and reply with your letter 👇
I go help you
#DataAnalysis #SQLTips #ExcelTips
SQL JOINs explained like your big brother:
INNER JOIN = Only matching records (like perfect couples)
LEFT JOIN = All from left table + matches from right
Most important for Nigerian sales data
Save this.
Reply 'JOINS' for practice questions.
#SQLTips
SQL Tip every analyst needs:
Never write SELECT * in production.
Instead:
SELECT
CustomerName,
SUM(Amount) as TotalSales
FROM Sales
WHERE Region = 'North'
GROUP BY CustomerName;
Clean queries = promotion faster.
Reply 'SQL' for my free SQL roadmap.
#SQLTips #DataAnalysis
SQL Tip for beginners:
Never use SELECT * in production.
Instead:
SELECT customer_name, order_date, amount
FROM sales
WHERE region = 'Abuja';
Saves time + keeps your queries clean
Reply 'SQL' for my beginner SQL roadmap (free)
#SQLTips #DataAnalysis
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