How can i get middle values in particular column in SQL 5.6, MySQL Workbench ie : 5014.**160201**.1200.1-2 here i need the value **160201** ...

I want to create wide table of thousands of rows in mariadb columnstore. I didn't find any documentation of max number of columns allowed by storage e ...

Every analysis I found on ColumnStore from MariaDB claims that it uses less disk space than regular engines like InnoDB, e.g: https://www.percona.com/ ...

I am trying to add new data to a columnstore table, but it is returning this error: ERROR 1815 (HY000) at line 25: Internal error: CAL0001: Insert Fa ...

I am using InfiniDB (not by choice). When I use the linux shell, I am able to connect to a database just fine: But when I use a bash script, it han ...

I'm trying to drop a table containing several hundred thousand column-based records. Normally when creating the database I use a column-based engine ( ...

When I start infinidb, I am getting the following error message, making it impossible for the service to start. In the log file, it says there is a pr ...

just started a fresh Ubuntu 14.04 LTS image, and installed the .debs for 4.6.0.1. After that, I ran the following .... which immediately fails: I d ...

Can I have Eloquent ORM run a query without using prepared statements? Or do I have to use whereRaw()? I need to use a raw query because I'm trying t ...

I need to get a stratified sample of my huge table. Specifically, I want to select 1/n rows from my table without bias, i.e. select randomly, select e ...

I have mysql-Calpont installed in a Linux machine. When i try to start mysql-Calpont, it gives an error: Starting MySQL. ERROR! Manager of pid-file qu ...

I've successfully installed InifiniDB on CENTOS 6.5. InfiniDB is a columnar DB "compatible" with MySQL (same port etc.: I've even managed to install t ...

I am trying to port a database from mysql to infinidb.But I am getting above error(described in heading) while porting . is valid in mysql but not ...

I would like to calculate the total unique accounts in a 30 day range. The engine I am using on MySQL (InfiniDB) seems to only support joining tables ...

I encounter this problem when trying to work out a dimensional database design. Basicially I haave a fact table (sale_fact) which contains a surrogate ...

I have following version of InfiniDB. Server version: 5.1.39 MySQL Embedded / Calpont InfiniDB Enterprise 3.2.0-2 GA (Commercial) I am getting ...

I'm trying to write a query that returns a moving average from a large table (>1M rows). The table has a column with a date, and and an other colu ...

I am trying to figure out the table size for an infiniDB table. In Show TABLE STATUS i see the data size as 0 ...

i'm using InfiniDB to aggregate a lot of rows (about 100-500 million) down to about less than 5000 groups. (in most querys the 100-500 million rows ar ...

Since InfiniDB lacks views how would you get Date Dimension to play the role of "Registration Date" AND "Login Date" AND "Purchase Date" and so on... ...