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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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cockroach
ajstorm
ajstorm commented Mar 31, 2021

In #58923, we added the ability to set a column as VISIBLE and NOT VISIBLE.

We now need the ability to have ALTER COLUMN <col> SET [VISIBLE|NOT VISIBLE].

The changes to do this are as follows (you can follow SET DEFAULT as a guideline for what to write)

  • Add a type AlterTableSetVisible struct { Visible bool } struct to tree/alter_table.go, similar to AlterTableSetDefault.
  • Add th
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

ClickHouse
yunchat
yunchat commented Nov 13, 2018

Now insert and query share the resource ( Max Process Count control) 。 When the query with high TPS,the insert will get error (“error: too many process”). I think separator the resource for Insert and Query will makes sense. Ensure enough resource for insert。It looks like Use Yarn, Insert and Query use the different resource quota。
Or the simple way , Can we set Ratio for Insert and

devops-exercises
surister
surister commented Jan 21, 2020

This is a reminder for me or a task if anyone wants :P

imagen

Basically, The last two questions aren't really regex's questions.

To do:

  • Move said questions to correct place.
  • Add new regex questions (Python related!)?
  • Maybe add a new ## Regex section, as it is a valuable skill
JeanGolang
JeanGolang commented Feb 7, 2017

Hello Philip!
I think there is an issue with this part of the code of rqlite (store/store.go).

func (s *Store) Database(leader bool) ([]byte, error) {
	if leader && s.raft.State() != raft.Leader {
		return nil, ErrNotLeader
	}
	// Ensure only one snapshot can take place at once, and block all queries.
	s.mu.Lock()
	defer s.mu.Unlock()

	f, err := ioutil.TempFile("", "rqlilte-snap-

Created by Donald D. Chamberlin, Raymond F. Boyce

Released 1986

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