Oracle SQL

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Solving Bottlenecks With SQL Indexes and Partitions

Indexes and partitioning can help with SQL performance, but they’re not cure-alls. Through everyday examples of date range and LIKE queries, find out how to “think like an RDBMS” to make yours run faster.

14 minute readContinue Reading
Mirko Marović

Mirko Marović

SQL Indexes Explained, Pt. 2

Sorting a table can make some queries faster—but the maintenance cost is untenable. Enter real database indexes and their most common implementation structure: the B-tree.

10 minute readContinue Reading
Mirko Marović

Mirko Marović

SQL Indexes Explained, Pt. 1

Properly used, an SQL database index can be so effective that it might seem like magic. But the following series of exercises will show that underneath, the logic of most SQL indexes—and wielding them correctly—is quite straightforward.

8 minute readContinue Reading
Mirko Marović

Mirko Marović

Oracle to SQL Server and SQL Server to Oracle Migration Guide - Pt. 3

Migrating in either direction between Microsoft SQL Server and Oracle Database? Code migration tools, public synonyms, and change management are important to keep in mind.

14 minute readContinue Reading
Leonid Draginsky

Leonid Draginsky

Oracle to SQL Server and SQL Server to Oracle Migration Guide - Pt. 2

Migrating in either direction between Microsoft SQL Server and Oracle Database? This round of pitfalls to avoid includes coverage of sequences, identity columns, and filtered indexes.

8 minute readContinue Reading
Leonid Draginsky

Leonid Draginsky

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