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QUESTION
this is an extended question to this already answered Thread
say i have a list of articles, which i want to split to fill maxvalues including addon-articles (no. 7), which refer to other positions:
...ANSWER
Answered 2022-Jan-21 at 09:30I managed to get solve this issue.
create the table via
QUESTION
I'm in need of an Oracle-SQL query.
I have a string $F$
and here is a situation where i have to replace this with the previous alphabet.
Expected output: $E$
This string can contain any alphabet from A-Z
. Alphabet A
will not be available so if it is $Z$
then the output should be $Y$
Any help?
...ANSWER
Answered 2021-Nov-13 at 10:47You can use CHR
and ASCII
:
QUESTION
This question and related answers will be for educational or learning purpose only.
This question is much different from my other post and is not duplicate. Since it was creating confusion and as suggested by @MT0, I am posting this as a new question here.
I have below table, where I upload stock data on daily basis.
...ANSWER
Answered 2021-Oct-04 at 20:52Patterns in MATCH_RECOGNIZE
work in a similar fashion to regular expressions; you want something like:
(Note: your PIERCING_LINE
formula does not give the expected output so I have assumed you want C > (C1 + O1)/2
rather than C > C1 + (O1/2)
.)
QUESTION
I have a query in oracle that basically updates activate flag to yes if exists and add's new entry with active flag yes if not exists. This query does not play well with my postgres transition work I am doing. I tried looking but could not find a query that would work for both cases.
Does someone have an example of this that would work on both postgres and oracle ?
Some Context:
oracle sql: update if exists else insert
here is my existing Oracle only query in java
...ANSWER
Answered 2021-Sep-09 at 23:04Despite Standards there are cases (some would say most) where there is no Database agnostic process for a task. Unfortunately for you this is one of them. About the closest you can get in Postgres for the Oracle is: (see lines with --<<<)
QUESTION
I am currently trying to link my Spring Boot application using JDBC to connect to my Oracle database.
The overall design of the project is to be able to perform CRUD operations.
When I compile and run my project initially there are no issues presented.
When I try to connect to the localhost in the browser using the predetermined port in the application.properties file, I get the following error message from the browser:
...ANSWER
Answered 2021-Aug-14 at 13:51Update your application.properties to below and check this might solve your connectivity
QUESTION
I just started with Oracle-Sql and apex , I have stumbled into this code/answer that another user made (credits to the user) and tweaked it a bit. http://sqlfiddle.com/#!4/fa7342/11
- this code create 'x' rows/appointments defined by the multiple conditions
what I'm trying to do is to insert into a table 'x' rows/appointments with :
- same user_id(not pk)
- different appointment_id( pk - sequence and incremented by 'x' appointments')
If the input is :
...ANSWER
Answered 2021-Jul-28 at 14:52It is easier to let the database generate your primary key so you don't have to worry about that in your code. In the code below I'm using an identity column as primary key - in that case a sequence doesn't need to be created manually. However if you're really on 11g (consider upgrading - that version is very very old) identity columns won't work. Code for that case is at the bottom.
QUESTION
I have tried looking at a few resources but still remain a bit confused. Hopefully someone can explain to me exactly what is going on.
I installed oracle 19c. I then set up several connections. My main question is: what is a connection? Is a connection a database? What is being connected to. Other resources state that 19c is itself a database, but what if I want a second one?
I got some help from this link but still have more questions. Creating a new database and new connection in Oracle SQL Developer
...ANSWER
Answered 2021-Jul-15 at 16:49In Oracle, when you connect, you connect as user. This user has its own workspace called "schema". Hence, user = schema. What you see in Sql Developer is your connection as specific user and all the objects under this user's schema. So, connection there is just a saved set of connection parameters, such as server, schema, user, password, type of connection, etc
Database is a bunch of files where your data is stored. Then at runtime, instance of that database is created in memory - this is what you connect to. You can't connect to the database, although, commonly people do say "connected to the oracle database". If you connect as system
user, you can have access to many schemas. You, as user or schema, can be given permissions to access other schemas as well
"When creating the connections, the only thing that I ever entered differently was the name/username/and password section."
Out of name/username/password
- on the picture I see only name (connection name), which is arbitrary, and is not part of database. username
is part of database. And if your username
is different in each connection, you're connected to different schemas.
QUESTION
Suppose I have a data table data_table
containing an identifier ID
and two values, val1
and val2
:
ANSWER
Answered 2021-Jul-08 at 12:25You are on the right track but the window functions needs to be returned from the subquery for filtering. I would recommend row_number()
if you want exactly two to be multiplied:
QUESTION
in SQL Loader, I wanted to ask if anyone knows the limits on how may processes in an OS can be initiated at one time?
For Example, I have code which spins off 20 processes to load 20 sets of data at the same time, and each process spins a new SQL Loader.
Each set to the same table in oracle. So at first call, the SQL Loader.exe on the OS is given 20 things to load.
Would that result in 20 separate instances of sqlldr processes ? or does SQL Loader queue each call to a singular process? I'm trying to determine if there's a bottleneck in this process and if I should build a way to control when each process is uploading instead of bombarding sqlldr.
ctl file is not direct load, table is not external.
Oracle 12 and Red Hat Linux Server.
I looked at this: Does Oracle sqlldr process multiple INFILE in parallel but I'm not sure where the docs are that explain that answer and i've been looking.
...ANSWER
Answered 2021-Jun-10 at 06:53SQL loader is a single process. If you want to parallelize your load, you need to run multiple sql loader processes concurrently. You will also need the parallel=true directive in your control file.
However, in many cases, it’s much easier and more efficient to use external tables.
QUESTION
I have the below table:
LAUFD ID NEXDT ORDER_ROW 20140305 C1 20140310 14 20140226 C1 20140305 13 20131125 C1 20131126 12 20131021 C1 20131022 11 20130821 C1 20130828 10 20130814 C1 20130821 9 20130807 C1 20130814 8 20130731 C1 20130807 7 20130724 C1 20130731 6 20130710 C1 20130724 5 20130708 C1 20130709 4 20130624 C1 20130707 3 20130603 C1 20130608 2 20130527 C1 20130603 1I would like to have the below output:
ID START END C1 20140226 20140310The logic is: if, ordering ID by order_row, the field NEXDT is equal or equal+1 or equal+2 to the field LAUFD of the next order_row, then continue with the next entry. If not, generate an entry in the output table with the start (earliest LAUFD) and end (latest NEXDT).
Basically, it's the same question as in Oracle SQL row concatenation by periods but I'd like just the latest period as an output.
...ANSWER
Answered 2021-Apr-19 at 16:23For just the latest period, you could use the previous solution. But instead, look for the first "break". Then only use the rows since that break;
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