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Q&A

Welcome to Software Development on Codidact!

Will you help us build our independent community of developers helping developers? We're small and trying to grow. We welcome questions about all aspects of software development, from design to code to QA and more. Got questions? Got answers? Got code you'd like someone to review? Please join us.

Posts tagged database-index

Use for questions about database indexes. Indexes are build based on one or more tables or views columns and map to the storage location of the specified data.

This tag doesn't have a detailed wiki yet.

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Q&A Why would an unique index get moved to the primary key after the underlying column is dropped?

So I had a table with a primary key and a bunch of different columns. Columns A, B, and C were all unsigned ints (like the primary key column) and each column had a unique constraint I dropped the...

1 answer  ·  posted 3y ago by Charlie Brumbaugh‭  ·  edited 3y ago by Alexei‭

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Q&A Can renaming a MySQL column be sped up by dropping indexes or foreign keys?

I need to rename one column in 170 tables in a MySQL database and its going really slow. The columns all have an index plus a foreign key on them, would dropping the index/temporarily removing the...

2 answers  ·  posted 3y ago by Charlie Brumbaugh‭  ·  last activity 3y ago by manassehkatz‭