Author

Matsuo Furushima

Everything Matsuo Furushima has published on the Furushima blog.

Protheus on PostgreSQL: should you replace SQL Server?PostgreSQL

Protheus on PostgreSQL: should you replace SQL Server?

SQL Server 2016 is out of support and the Enterprise license weighs heavy. What TOTVS certifies on PostgreSQL, what it…

Matsuo Furushima
Slow cost processing in Protheus, now what? What to do about it?Databases

Slow cost processing in Protheus, now what? What to do about it?

The average cost recalculation ran through the night, adding threads made it worse and a restart only holds for twenty…

Matsuo Furushima
Oracle tablespace full: how to fix ORA-01652, ORA-01653 and ORA-30036Oracle

Oracle tablespace full: how to fix ORA-01652, ORA-01653 and ORA-30036

How to tell which space error you got, diagnose it in three queries, unblock the operation with no downtime and…

Matsuo Furushima
Protheus migration with zero downtime: how to upgrade an 11 TB environment without stopping the operationProtheus

Protheus migration with zero downtime: how to upgrade an 11 TB environment without stopping the operation

The architecture that upgraded a Protheus system with an 11 TB Oracle database without stopping the operation: CDC replication, two…

Matsuo Furushima
DBA support: in-house, outsourced or hybrid? A straightforward guide to decidingDatabases

DBA support: in-house, outsourced or hybrid? A straightforward guide to deciding

In-house, outsourced or hybrid DBA: real costs, 24×7 coverage, what to demand in the contract and how to compare the…

Matsuo Furushima
Protheus managed support: what it is, what it covers and when to hire itProtheus

Protheus managed support: what it is, what it covers and when to hire it

Protheus managed support (AMS) in practice: what a good operation covers, from release to database, the warning signs and how…

Matsuo Furushima
How to use hints in Oracle?Oracle

How to use hints in Oracle?

The super dictionary of Oracle hints When you work with Oracle, an important part of optimizing SQL query performance is…

Matsuo Furushima
How to enable the slow query log in SQL Server?SQL Server

How to enable the slow query log in SQL Server?

How to capture slow queries in SQL Server? If you come from the MySQL, PostgreSQL or even Oracle world, you…

Matsuo Furushima
How to upload a SQL Server backup to an OCI bucket.OCI

How to upload a SQL Server backup to an OCI bucket.

Backup safety is one of the main pillars of database administration. Keeping an external copy guarantees data recovery in case…

Matsuo Furushima
[SCRIPT] – showplan.sqlOracle

[SCRIPT] – showplan.sql

How do you know which part of the plan your query is spending the most time on?

Matsuo Furushima