How do you resolve a database performance issue?

In many cases, you’ll need to use one or more of these paths to resolve database performance issues.

1. Optimize Queries. In most cases, performance issues are caused by poor SQL queries performance.
2. Create optimal indexes.
3. Get a stronger CPU.
4. Allocate more memory.
5. Data defragmentation.
6. Disk Types.
7. Database version.

How would you troubleshoot a problem with a slow database?

Start by checking your wait stats

1. Ensure your TempDB database is configured optimally.
2. Make sure you’re running index maintenance frequently.
3. Implement indexes that provide a benefit to your queries.
4. Check your most expensive queries and stored procedures.
5. Monitor your performance counters.

What are the steps you can take to speed up a SQL query?

How To Speed Up SQL Queries

1. Use column names instead of SELECT *
2. Avoid Nested Queries & Views.
3. Use IN predicate while querying Indexed columns.
4. Do pre-staging.
5. Use temp tables.
6. Use CASE instead of UPDATE.
7. Avoid using GUID.
8. Avoid using OR in JOINS.

How can a relational database prevent data corruption?

Keep the SQL server database update to its latest version. But always, create a backup before going for SQL Server Database update. Always monitor the performance of SQL database and check that SQL server has limited optimized connections. Dirty Shutdown is the main cause of database corruption.

What are common problems with databases?

Common Database Problems

• Slow Read-Write Speeds. Performance slowdowns can occur due to high latency for disk read/writes.
• Scaling Problems.
• Incorrect Virtual Machine Setup.
• Lack of Backup and Monitoring.
• Query Performance.
• User and Query Conflicts.
• Configuration.
• Capacity.

What makes database slow?

Missing indexes, an inadequate storage I/O subsystem, or a slow network are only some of the possible reasons why a SQL Server database engine might slow down, which is why finding the true cause of a performance bottleneck is vital. Poor index design. Poorly designed database schema. Inadequate storage I/O subsystem.

How do I make my database faster?

Try these five tips to boost the speed of your database:

1. Make sure all of your tables have primary keys. Running a table without a primary key is like running a four-cylinder engine with only two active pistons.
2. Optimize by adding secondary indexes.
3. Be like an atom and split.
4. Use Compact and Repair.
5. Load only what you need.

What causes Access database corruption?

Reasons behind the Access Database Corruption External threats like Virus Intrusions can also affect Access database files. mdb file may lead to database corruption. Software failure or, in simple terms, bugs within the application are also a root cause of corruption.

How do you handle database corruption?

1. Don’t panic. The most important thing when dealing with database corruption of any form is not to panic.
2. Don’t detach the database.
3. Don’t restart SQL.
4. Don’t just run repair.
5. Run an integrity check.
6. Root cause.
7. Inaccurate space metadata.
8. Corruption only in the nonclustered indexes.

What problems do databases attempt to solve?

Here are the 5 most common database challenges and how a quality database will overcome them.

1. Data security. In the last two years, over 100,000 systems were hacked into because their database had been left completely exposed on the public internet.
2. Performance.
3. Data safety.
4. Resource utilization.
5. High availability.