When to Use Apache Cassandra vs MongoDB?

Answers in Databases | By Some Guy

Published 1 year agoSun, 13 Jan 2019 04:40:46 -0800

Last Reply Cassandra can handle massive amounts of unstructured data. In cases where your database needs to rapidly scale with minimal increase of administr... Univa,

Cassandra can handle mass...

[SQL Server] Difference between datetime and datetime2?

Answers in Databases | By Some Guy

Published 1 year agoSun, 13 Jan 2019 04:40:36 -0800

Last Reply DATETIME2 has a date range of "0001 / 01 / 01" through "9999 / 12 / 31" while the DATETIME type only supports year 1753-9999. Also, if you need to,... Univa,

DATETIME2 has a date rang...

How to fix "Every derived table must have its own alias"?

Answers in Databases | By Some Guy

Published 1 year agoSun, 16 Dec 2018 09:40:15 -0800

Last Reply Imagine a table called purchases that records purchases made by customers at stores, i.e., it's a many to many, and the software needs to know which c... Univa,

Imagine a table called pu...

[Dreamhost Error] How to fix "MySQL 504 Gateway Time-out; The server didn't respond in time?"

Answers in Databases | By Some Guy

Published 1 year agoSun, 13 Jan 2019 04:37:16 -0800

Last Reply 504 Gatetimeout is an HTTP Error, not a database error. The database takes too long to collect your data. You probably have to increase max_execution_... Univa,

504 Gatetimeout is an HTT...

How to fix "Operand should contain 1 column(s)"?

Answers in Databases | By Some Guy

Published 1 year agoSun, 16 Dec 2018 09:41:02 -0800

Last Reply This error can occur if you accidentally use commas instead of AND in the ON clause of a JOIN. FOR EXAMPLE: JOIN joined_table ON (joined_table.c... Univa,

This error can occur if y...

What do I do "Access denied for user 'root'@'localhost'"? Help needed

Answers in Databases | By Some Guy

Published 1 year agoSun, 16 Dec 2018 09:43:10 -0800

Last Reply Try out the following steps to overcome this issue: Find mysql related entries from system sudo find / -name mysql Remove all mysql related en... Univa,

Try out the following ste...

Selicting database with the MySQL command line?

Answers in Databases | By Some Guy

Published 11 months agoWed, 06 Feb 2019 14:25:32 -0800

Last Reply USE database_name; August R. Garcia,

USE database_name;

How do I install Oracle 11g?

Answers in Databases | By Some Guy

Published 11 months agoWed, 06 Feb 2019 14:01:19 -0800

Last Reply On Windows, use the Oracle Universal Installer. Extract the downloaded zip. Open the setup.exe file. Select the Oracle Database 11g and click Next. Us... roxblade,

On Windows, use the Oracl...

What are the differences between MariaDB and MySQL (sine MariaDB is a fork)?

Answers in Databases | By Some Guy

Published 1 year agoSun, 13 Jan 2019 04:37:26 -0800

Last Reply Yes, it's a fork in some ways. Michael "Monty" Widenius was the person behind it. He also was in the original team that developed MySQL and also the c... roxblade,

Yes, it's a fork in some...

What does key MUL mean in MySQL? Also, how to remove a MUL key?

Answers in Databases | By Some Guy

Published 1 year agoSun, 13 Jan 2019 04:38:36 -0800

Last Reply Multiple occurrences of the same value are allowed in MUL keys. So, there are two primary kinds of keys -- PRI and UNI. PRI are primary keys and UNI i... roxblade,

Multiple occurrences of t...

How can I count the number of unique IP addresses in my database?

Answers in Databases | By Some Guy

Published 11 months agoWed, 30 Jan 2019 22:58:21 -0800

Last Reply Assuming you're asking for a raw query to run on a MariaDB or MySQL database: Get a list of all of the unique IP addresses:... August R. Garcia,

Assuming you're askin...

Solve "trying to get property of non-object"?

Answers in Databases | By Some Guy

Published 1 year agoSun, 16 Dec 2018 09:43:24 -0800

Last Reply You're probably trying to get the value from an array with object syntax. Most database data is handled in arrays, not objects. If you are d... Hash Brown,

You're probably tryin...

Solve "sqlstate[hy000] [2002] connection refused"?

Answers in Databases | By Some Guy

Published 1 year agoSun, 16 Dec 2018 09:37:22 -0800

Last Reply These errors are kind of generic and don't point to anything specific. In general you want to start off: Make sure you're using the c... Hash Brown,

These errors are kind of...

Fixing "MySQLi_real_connect(): (hy000/2002): no such file or directory?"

Answers in Databases | By Some Guy

Published 1 year agoSun, 13 Jan 2019 04:37:06 -0800 | Last update 1 year agoMon, 14 Jan 2019 13:57:45 -0800

Last Reply Go into your script or config file and find your database credentials. Look for "localhost" and replace it with "127.0.0.1".... Hash Brown,

Go into your script or co...

Can SQLite and PostgreSQL be used for the same type of sites?

Answers in Databases | By Some Guy

Published 1 year agoSun, 13 Jan 2019 04:41:56 -0800

[PostgreSQL vs MySQL] What syntax differences should I know about?

Answers in Databases | By Some Guy

Published 1 year agoSun, 13 Jan 2019 04:41:46 -0800

How to Take a Screenshot on a Mac?

Answers in Databases | By Some Guy

Published 1 year agoSun, 13 Jan 2019 04:41:36 -0800

[PostgreSQL vs MySQL] Which DB has the best performance?

Answers in Databases | By Some Guy

Published 1 year agoSun, 13 Jan 2019 04:41:26 -0800

PostgreSQL vs MariaDB: Which is better for a dentist's website?

Answers in Databases | By Some Guy

Published 1 year agoSun, 13 Jan 2019 04:41:16 -0800

[MongoDB vs PostgreSQL] Which DB has better performance?

Answers in Databases | By Some Guy

Published 1 year agoSun, 13 Jan 2019 04:41:06 -0800

PostgreSQL vs MsSQL / SQL Server: Which should I use for a website on the Information Superhighway?

Answers in Databases | By Some Guy

Published 1 year agoSun, 13 Jan 2019 04:40:56 -0800

[SQL/MySQL/MariaDB] Can you query from a query result?

Answers in Databases | By Some Guy

Published 1 year agoSun, 13 Jan 2019 04:40:26 -0800

[MySQL] Count by unique composite key?

Answers in Databases | By Some Guy

Published 1 year agoSun, 13 Jan 2019 04:40:16 -0800

[SQL Server] What is the difference betweewn a clustered and nonclustered index?

Answers in Databases | By Some Guy

Published 1 year agoSun, 13 Jan 2019 04:40:06 -0800

How to install MariaDB?

Answers in Databases | By Some Guy

Published 1 year agoSun, 13 Jan 2019 04:39:56 -0800

How to install MariaDB on CentOS 7?

Answers in Databases | By Some Guy

Published 1 year agoSun, 13 Jan 2019 04:39:46 -0800

How to migrate from MySQL to MariaDB?

Answers in Databases | By Some Guy

Published 1 year agoSun, 13 Jan 2019 04:39:36 -0800

Fix for "Host is not allowed to connect to this MariaDB server?"

Answers in Databases | By Some Guy

Published 1 year agoSun, 13 Jan 2019 04:39:26 -0800