Questions tagged [environment-variables]
The environment-variables tag has no usage guidance.
25
questions
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42
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My subdirectories under $ORACLE_HOME are missing
Im using oracle 11g. I cannot access the software products since they are missing. When I cd to $ORACLE_HOME, there are no files under it. They are missing. I cannot access the sqlplus. What to do in ...
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2
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83
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how to find out if I am in azure or not?
I am talking about sql server here.
I can connect to azure.
I can also manage permissions.
But while doing some automation, I need to know if I am in azure or normal sql.
how can I achieve that?
I ...
- 15.4k
1
vote
2
answers
284
views
PostgreSQL-Patroni-Cluster: Installing oracle_fdw, dependency problem
For Oracle to PostgreSQL migrations we're currently looking into ora2pg. However, the performance using either writes to file or direct read from Oracle and write to PostgreSQL have both been very ...
- 187
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2
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458
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Store LDAP bind credentials in environment variables for pg_hba.conf
I am working on setting up LDAP authentication for a PostgreSQL database and have added the following in my pg_hba.conf file:
# TYPE DATABASE USER ADDRESS METHOD
host all all ...
- 101
2
votes
1
answer
297
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Environment variables in Postgres C extension
I cannot get environment variable in my PostgreSQL C extension code.
For example, this function always returns 111:
#include "postgres.h"
#include "fmgr.h"
#include <stdlib.h>...
- 35
2
votes
1
answer
60
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Identifying elements in SSIS package built in MS Visual Studio 2008
I recognize that these are variables, but I am not sure how to add these elements to the package (or how they are added to begin with), what effect that have or even how to manipulate them. No right ...
- 75
0
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2
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1k
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Scripts for setting the environment for Oracle Database Multitenant
When working on shared database servers with several Oracle Container Databases installed in different homes and different versions it can be hard to find the pdb you are looking for quickly. We used ...
- 928
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914
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Bash Script Can't Connect to Azure Postgres using ENV Vars - "The Username should be in <username@hostname> format"
I have a bash script that exports ENV vars to use in connecting to an Azure Postgres DB (mydb.postgres.database.azure.com). For the user portion of that specifically it looks like this:
export PGUSER=&...
- 137
1
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1
answer
776
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Mysql - which cnf file to update
I have mysql 8 running on a ubuntu 20.4 server. I want to apply some setting to optimize the database so that it uses less ram for a web application. typically switching of the performance_schema.
...
- 145
2
votes
1
answer
3k
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Variable to select database in SQL query
If I want use a variable in the FROM clause of a SQL query I need to use dynamic SQL. Which might be a pain if the query is long and complex.
There are few different ways of running a query from a ...
- 6,118
1
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1
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395
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Mysql row-based binary logging behaving different in some versions of mysql (rows grouping)
Mysql row-based binary logging seems to have a different behaviour when grouping rows changes in some versions of mysql.
Let's assume the following statement update three rows:
UPDATE table_name ...
- 109
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1
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216
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Skip_log_bin and innodb_flush_log_at_trx_commit
If I have skip_log_bin =1 is there any reason for not having innodb_flush_log_at_trx_commit = 0?
If I have understand correctly, innodb_flush_log_at_trx_commit, reads data from log file and stores ...
- 149
0
votes
1
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373
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Percona-server-5.6.41 and sql_mode [duplicate]
When setting
sql_mode=""
in /etc/mysql/my.cnf server leaves this variable in it default value:
mysql> show variables like 'sql_mode';
+-------------------+--------------------------------------...
- 113
1
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0
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635
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Converting and/or enforcing an Ascii Character Set in Informix database from 819 or ISO Latin 1
Overview: In Informix is it possible to enforce ASCII for a database or instance.
Details: I am trying to enforce ASCII in an instance of informix for a while. This is to help have a smooth ...
0
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1
answer
132
views
MySQL time_zone = SYSTEM not getting correct date on CURRENT_TIME
Via SSH I print the current date of my server, which is correct based on my location:
When I run SHOW GLOBAL VARIABLES on MySQL, I have time_zone = SYSTEM - which makes me think MySQL will be using ...
- 123
1
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2
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149
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Best Practice to Store an Admin Configured Variable [closed]
Some background:
Users submit a form that has a category.
If (category has manager) {
send manager email
}
else {
send 'default' manager an email
}
For the sake of argument, manager_category ...
- 21
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1
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89
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Another question about *_buffer_size
Mysql-5.6.30 running on Debian, uses InnoDB, DB size about 100Gb. Dual Xeon 5645 with 48Gb RAM, 4 HDD 15K in RAID 10 (/var) and system on RAID1
There're many "heavy" ORDER BY/GROUP BY, JOIN/sort ...
- 113
1
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0
answers
302
views
Partition of tables with constraint exclusion doesn´t optimize queries
Over an existing table in PostgreSQL (version 9.0.2) I created nine others which inherited the former with check constraints. I turned on the constratint_exclusion variable and runned some queries, ...
- 11
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1
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10k
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NLS_LANG AL32UTF8/UTF8 for Oracle database
I recently installed a new Oracle database on Ubuntu using this tutorial.
I got an error
oracle@ubuntu:/home/bruno$ echo $NLS_LANG
/u01/app/oracle/product/11.2.0/xe/bin/nls_lang.sh
oracle@ubuntu:/...
- 103
1
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1
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8k
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sql_safe_updates set to ON by default
This is fresh mysql install from Debian apt.
mysql> \s
--------------
mysql Ver 14.14 Distrib 5.5.47, for debian-linux-gnu (x86_64) using readline 6.3
..
Server version: 5.5.47-0+deb8u1-...
- 45
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1
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4k
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MATCH AGAINST one character words returns empty rows with ft_min_word_len = 1
I've set ft_min_word_len = 1 to my.cnf file, also SHOW VARIABLES LIKE 'ft_min_word%' displays ft_min_word_len as 1. Then I've reloaded all database tables and it still doesn't search for one character ...
- 165
2
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1
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3k
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SQLCMD mode: environment variable syntax?
I assume the best way to set my SSMS (SQL Server 2005) output file path during runtime of T-SQL, is to use SQLCMD mode.
How do I use environment variables (e.g. %systemroot%) in the code? The ...
- 123
4
votes
1
answer
15k
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How do I map SSIS 2012 Package Variables to Parameters?
I have created multiple packages that use variables to assign Connection Manager Expressions such as Connection String. However in the new SQL 2012 Project Deployment Model I don't seem to be able to ...
- 167
2
votes
2
answers
35k
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How to change SESSION_CACHED_CURSORS for all sessions
how Can I do to change SESSION_CACHED_CURSORS for all sessions?
I found on google and oracle website:
Alter Session... but I need to changed it for all the session and not only for one of them.
How ...
- 1,979
12
votes
2
answers
10k
views
How can I use an environment variable in a Postgres function?
Let's say I have a windows user environment variable SOME_STRING.
Is it possible to use its value in a PL/pgSQL function?
If not, do I need to use an untrusted language (like PL/pythonu) or can I ...
- 8,081