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SQL

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SQL stands for structured query language. It uses commands such as "select", "insert", "update", "delete". Some common relational database management systems that use SQL are: Oracle, MySQL, Microsoft SQL Server, PostgreSQL, etc.

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dbeaver
KOLANICH
KOLANICH commented Jan 11, 2019

Sometimes it is needed to store compressed data in the DB. Unfortunately not all the DBs have built-in compression and FUSE compressed FSes are not available for every OS. So it may make sense to store compressed binary blobs in the DB.

Unfortunately when one sees them in DBeaver he sees them compressed, but often they are needed uncompressed. So it'd be nice to have a feature to decompress the

rohitsud
rohitsud commented May 18, 2020

https://github.com/sequelize/sequelize/blob/8a1429d6044123bba3a3f312b2e0c74b0c829990/lib/model.js#L1271

If I create any model with
charset: 'utf8mb4', collate: 'utf8mb4_general_ci'

sequelize translates it to this for mysql

CREATE TABLE IF NOT EXISTS tablename ... ENGINE=InnoDB DEFAULT CHARSET=utf8 COLLATE utf8mb4_general_ci;

On stepping through the code, it seems that the issu

type: bug good first issue
cockroach
miretskiy
miretskiy commented Jul 14, 2022

We have metrics recoding flush related stats (number of flushes, duration), but
those only work when issuing explicit Flush request.

Some sinks (cloud storage) also flush based on other criteria (size) -- we should
add metrics to record those flushes as well.

Jira issue: CRDB-17659

C-enhancement E-easy good first issue A-cdc
xiaopingcs
xiaopingcs commented Jun 22, 2022

Bug Description
fix issues found by Coverity Scan in syncMain.c

To Reproduce
N/A

Expected Behavior
fix following issues:
| issue type | category | file path | function | line number |
| -------------------------- | -------------------------- | -------------------------- | -------------------------- |

good first issue improvement
directus
terrymanu
terrymanu commented Jul 20, 2022

FAQ page always changes, but the document is pretty static.
It is better to split FAQ and document, just remove FAQ and move the content into GitHub Wiki.

The tasks are:

  • Add FAQ page in GitHub Wiki;
  • Move FAQ content into WIKi;
  • Add FAQ link into homepage's top menu (in document section);
  • Add FAQ link into homepage's bottom menu (in document section).
cube.js
leogodin217
leogodin217 commented Sep 17, 2021

Describe the bug
Using a time dimension on a runningTotal measure on Snowflake mixes quoted and unquoted columns in the query. This fails the query, because Snowflake has specific rules about quoted columns. Specifically:

  • All unquoted column names are treated as upper case
  • Quoted column names are case sensitive.

So "date_from" <> date_from

To Reproduce
Steps to reproduce

bug help wanted good first issue
questdb
puzpuzpuz
puzpuzpuz commented Jul 6, 2022

Is your feature request related to a problem?

We have users periodically asking for week-based partitioning.

Describe the solution you'd like.

Add WEEK to the PARTITION BY options.

Describe alternatives you've considered.

No response

Additional context.

This PR should give enough hints on how to implement this feature: questdb/questdb#1571

Help wanted New feature Good first issue Core
The-Complete-FAANG-Preparation

This repository contains all the DSA (Data-Structures, Algorithms, 450 DSA by Love Babbar Bhaiya, FAANG Questions), Technical Subjects (OS + DBMS + SQL + CN + OOPs) Theory+Questions, FAANG Interview questions, and Miscellaneous Stuff (Programming MCQs, Puzzles, Aptitude, Reasoning). The Programming languages used for demonstration are C++, Python, and Java.

  • Updated Jul 24, 2022
  • Jupyter Notebook

Created by Donald D. Chamberlin, Raymond F. Boyce

Released 1986

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