The Spoken Nerd
Musings on technology from long time database professional. Some times we can't dedicate 100% of our attention to blog posts, or videos, or webinars, so whether you are working, or just working out. you can enjoy these podcasts alongside the daily grind
Episodes
There's a reason we don't just lump all of our data into Excel, Word and other such tools. Databases exist to give rigour to our data. They are the "statement of record" - the proof that our applications are meeting any business and/or regulatory requirements. The data stored in the database is typically the evidence that we provide to auditors and legal representatives that we are not breaking any rules.
But are you sure that you...
If you are the only person using a PC, then the concept of having to lock information is totally foreign, because all of the data is yours and yours alone. But databases were built for the multi-user world, where concurrent access to the data is the norm. To handle this, we sometimes need to lock the data to ensure it is controlled and updated in a way that guarantees integrity and correctness. In this episode, we discuss the "Opti...
Known for many years as "the optimizer lady", there are very few people that can throw down with tech ubergeeks in the Oracle community whilst at the same time nonchalantly stroll into a meeting with Larry Ellision, but Maria Colgan is one of the select people that can do so.
Maria has nearly 3 decades of experience with the Oracle Database, covering SQL, performance, and the optimizer and even OS/2. In this episode, Maria and I ta...
Known for many years as "the optimizer lady", there are very few people that can throw down with tech ubergeeks in the Oracle community whilst at the same time nonchalantly stroll into a meeting with Larry Ellision, but Maria Colgan is one of the select people that can do so.
Maria has nearly 3 decades of experience with the Oracle Database, covering SQL, performance, and the optimizer and even OS/2. In this episode, Maria and I ta...
Known for many years as "the optimizer lady", there are very few people that can throw down with tech ubergeeks in the Oracle community whilst at the same time nonchalantly stroll into a meeting with Larry Ellision, but Maria Colgan is one of the select people that can do so.
Maria has nearly 3 decades of experience with Oracle, covering performance, the optimizer and even OS/2. In this episode, Maria and I talk about how she lande...
Known for many years as "the optimizer lady", there are very few people that can throw down with tech ubergeeks in the Oracle community whilst at the same time nonchalantly stroll into a meeting with Larry Ellision, but Maria Colgan is one of the select people that can do so.
Maria has nearly 3 decades of experience with Oracle, covering performance, the optimizer and even OS/2. In this episode, Maria and I talk about the beginning...
In the high energy world of modern IT, it has become commonplace to float between companies on a regular cadence, which can result in diluting your skillset across an ever broadening landscape. But occasionally you'll have the good fortune to encounter someone who has expanded their breadth of skills almost entirely within a single organisation, giving them a incredibly in-depth knowledge of the product, a strong mentoring focus, a...
In the high energy world of modern IT, it has become commonplace to float between companies on a regular cadence, which can result in diluting your skillset across an ever broadening landscape. But occasionally you'll have the good fortune to encounter someone who has expanded their breadth of skills almost entirely within a single organisation, giving them a incredibly in-depth knowledge of the product, a strong mentoring focus, a...
In the high energy world of modern IT, it has become commonplace to float between companies on a regular cadence, which can result in diluting your skillset across an ever broadening landscape. But occasionally you'll have the good fortune to encounter someone who has expanded their breadth of skills almost entirely within a single organisation, giving them a incredibly in-depth knowledge of the product, a strong mentoring focus, a...
Databases are incredibly sophisticated pieces of software, and hence as they mature, the algorithms and logic behind what at first glance would seem to be trivial functionality are often amazing in their cleverness and cunning. In this episode we'll explore the complexity and sophistication around what would seem to be the simplest of questions: When I want to insert a row into a table, where should the database store that row? For...
It is easy to be "too close" to things that you are familiar with, and thus become jaded and disenchanted with all of the minor frustrations one encounters over a long period of time. Frequent travellers revel in grumbling about the delayed take-off, the size of the plane seat, the annoying passenger, the slow arrival of baggage etc, at the same time losing sight of the wonder of flight. In the information technology industry, we c...
It is easy to be "too close" to things that you are familiar with, and thus become jaded and disenchanted with all of the minor frustrations one encounters over a long period of time. Frequent travellers revel in grumbling about the delayed take-off, the size of the plane seat, the annoying passenger, the slow arrival of baggage etc, at the same time losing sight of the wonder of flight. In the information technology industry, we c...
It is easy to be "too close" to things that you are familiar with, and thus become jaded and disenchanted with all of the minor frustrations one encounters over a long period of time. Frequent travellers revel in grumbling about the delayed take-off, the size of the plane seat, the annoying passenger, the slow arrival of baggage etc, at the same time losing sight of the wonder of flight. In the information technology industry, we c...
I first met Jackie McIlroy a few years back where she was an attendee at a pre-covid conference. Since then she has gone from strength to strength in the Oracle community, being a much-sought after speaker, an Oracle Ace, ODTUG committee member and chair for the Kscope APEX program. I caught up with her at the Kscope22 conference in Dallas Texas to chat about the impact of APEX and Community on her career.
Databases are incredibly complex pieces of software, which can come as a surprise given that anyone can throw together a few lines of C code to read and write data from a file. What differentiates a database from simple file read/write is how databases handle concurrent access to the data. For many years, the feature that has set Oracle Database apart from all others is its "read consistency" implementation or Multi Version Concurr...
Parsing is the act of preparing to execute a SQL statement on your database. It would seem to be a necessary activity - after all, that is what databases are designed to do - execute SQL. But the topic of parsing requires a more nuanced look, because a high transaction frequency database typically succeeds or fails based the amount of SQL parsing it does.
In this episode, I'll take you on a trip down memory lane on how slow serve...
No topic quite gets emotions rolling as much as the Oracle Query Optimizer. Thus you might expect that one of the least enviable jobs in the database world would be being the public face of the database optimizer. But since 2014, Nigel Bayliss has regularly fronted the community and shared the depth and breadth of his optimizer knowledge, whilst entertaining us with his sardonic wit on the challenges of databases and database optim...
No topic quite gets emotions rolling as much as the Oracle Query Optimizer. Thus you might expect that one of the least enviable jobs in the database world would be being the public face of the database optimizer. But since 2014, Nigel Bayliss has regularly fronted the community and shared the depth and breadth of his optimizer knowledge, whilst entertaining us with his sardonic wit on the challenges of databases and database optim...
No topic quite gets emotions rolling as much as the Oracle Query Optimizer. Thus you might expect that one of the least enviable jobs in the database world would be being the public face of the database optimizer. But since 2014, Nigel Bayliss has regularly fronted the community and shared the depth and breadth of his optimizer knowledge, whilst entertaining us with his sardonic wit on the challenges of databases and database optim...
No topic quite gets emotions rolling as much as the Oracle Query Optimizer. The fact that a piece of software can determine the best way to run the myriad of potential SQL statements, no matter how poorly they sometimes might be written, never ceases to amaze me. But conversely, the moment the optimizer does not meet our expectations, we're quick to throw our toys out of the pram and rain down on it with our invective.
Thus you mig...
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