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kandi X-RAY | dataanalytics Summary
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QUESTION
I was wondering if there is any way to copy a data from csv file by using command line (CMD) to a table from Vertica Data Base. I've searching for a while and I don't find something that works for me. I want to create something similar to this I've made, is a batch file to copy a data from CSV file to a table in postgreSQL Data Base:
...ANSWER
Answered 2021-Feb-12 at 17:52So you are in a DOS box of a Windows system.
Add an environment variable to your account, by hitting the magnifying glass next to the Windows button at the far low left corner of your Windows screen, and type "Environment variables". You will see a list of hits, among which "Edit Environment Variables for your Account" and "Edit the system environment variables". Click on either of the two, depending on whether you want it for yourself or for the whole Windows system. Add 4 variables with the [New ...] button, for example:
QUESTION
I'm triying to load data to PosgreSQL Data Base remotly by command Line in CMD, copying data from CSV file to a specific Table. It was working well but, somehow when I try to load data now, CMD throws me this error
Curiously CSV file has the "fecha_carga" field in date type as well is in the table storage in Data Base in this way, here is my try:
...ANSWER
Answered 2021-Feb-02 at 16:45First please do not use images for textual data, instead copy and paste text. Second I'm guessing the CSV
file has a header that has the column heading fecha_carga
for the field. Since you did not specify HEADER
along with DELIMITER
in the WITH
the COPY
is taking the header line as data and fecha_carga
is not a valid date.
QUESTION
I'm working with a PostgreSQL Database, and I'm a little bit new on this. I need to load data to a specific table, and in order to keep this table updated I need to load the data from a CSV file every day.
By now I got a command line capable to copy the data from the CSV file to the table, here is my try:
...ANSWER
Answered 2021-Feb-02 at 07:45psql -c "TRUNCATE ..." -c "\copy ..."
QUESTION
I'm trying to scrape all the product info for each item per sales category for a certain company. Here's the URL I'm working with:
https://www.lushusa.com/bath-shower/
I'm at the point where I've pulled all the data that's visible per product. What I'm having trouble with is twofold:
- I can't seem to figure out how to get the data from the dropdown menus for the items that have multiple options.
- how to automate my scrape to get data for every product given the "More Results" button. I notice there's an event with the Network tab in Dev Tools but can't wrap my mind around it.
Here's the code I have so far with the resulting dictionary:
...ANSWER
Answered 2020-Oct-30 at 01:08to scrap all the results at once, try this (to scrap another category, just replace the cgid):
QUESTION
I have a very basic springboot project that has the following pom.xml
...ANSWER
Answered 2020-Oct-06 at 09:05Interpretting the error message
Could not find artifact jdk.tools:jdk.tools:jar:1.6 at specified path /usr/lib/jvm/java-11-openjdk-amd64/../lib/tools.jar
The tools.jar file is supplied by the JDK - looks like 1.6 is referenced from the included dependency - suggest you explicitly exclude it:
QUESTION
Currently, in AWS EMR Cluster, I am using Spark v2.4.5
which comes with Scala v2.11
. So in my project, I want to use Scala v2.11 and corresponding SBT
and Sbt-Assembly
versions. But I am getting one or the other Version conflicts with all the permutations available on various blogs and Stackoverflow answers.
Here is my dependency files which throws error:
build.sbt
...ANSWER
Answered 2020-Sep-07 at 18:14It seems that you're mixing up the Scala version used by SBT and Scala version used in your project.
If you need to build project with Scala 2.11, it's just enough to specify in build.sbt
QUESTION
I am trying to read nested json, but the result is not what is expected according to what is indicated in many places I search previsly for.
json:
...ANSWER
Answered 2020-Aug-25 at 16:44Since Folders
is an array of 1 element, all the values of it will be inferred as a single row.
To explode it to the multiple row, try this-
QUESTION
I started to learn Java a month ago. Today I was studying some SQL phrases which are necessary for creating websites using JSP and Servlets.
I used SQL Developer and JDBC. After doing some insert/delete/update manipulation, I accidentally clicked on 'commit' instead of 'roll back'. So some of my data in certain tables are lost and so am I...
I think I must delete and re-install JDBC to have all the basic data that Oracle offers. But I'd like to ask for some help here before doing that, if there is any simpler way.
Can anyone help me please? Thank you in advance. I am not sure if it will help but here is the SQL I used:
...ANSWER
Answered 2019-Jan-04 at 21:31I think you may be confusing JDBC
with SQL
. JDBC
is short for Java Database Connectivity, and it's a Java standard used to connect from Java to relational databases (See Oracle's documentation on JDBC here: https://docs.oracle.com/en/database/oracle/oracle-database/18/jjdbc/introducing-JDBC.html#GUID-864DB502-5E50-4044-8132-33D6AAF8927A). Depending on what version of the Oracle Database
you're running, the JDBC
driver version, and which client you're using, you may find that you are missing some functionality, but that functionality is probably completely separate from the SQL you ran.
When you use SQL Developer
to connect, you may be using a JDBC
connection, but in all likelihood, you are using either a Basic or TNS Connection Type. Those do not rely on JDBC. The SQL you ran from SQL Developer
modified the data because that's what SQL is used for. SQL is short for Structured Query Language, and it's widely used to manage data in relational databases.
By using SQL Developer
, you should have access to all of the standard functionality that Oracle has to offer. You may be missing some features, but that is completely normal if you or your organization does not have a licensing agreement with Oracle and have not configured those features. Reinstalling JDBC
won't change that.
What are you trying to accomplish? If you want to restore your data, JDBC
has nothing to do with that. You will have to either: 1. Flashback
the database or table (depending on which version of Oracle you're running,) which will restore the database (or the relevant object(s)) back to a specific point in time before you executed those SQL commands. 2. Use OEM
or RMAN
to restore the database to a time before you executed those SQL commands, or 3. Delete the relevant data and re-create (or re-import) your data.
Since you committed
the transaction to manipulate that data, these are likely going to be your only options to restore the database how it was. If you know the original values that belong in those tables, I suppose that you could also write up more SQL to change the values back to the original. This may result in your desired outcome, but be forewarned that this method (and option #3) would not be considered a restore, and all of the changes that you made up to that point would still be apart of the transaction history. If that doesn't matter, that may be the easiest route for you to pursue.
QUESTION
I am trying to return a JSON array like so:
...ANSWER
Answered 2018-Jan-19 at 17:13This exception ...
QUESTION
I checked many solutions for same question but didn't resolve any. Thats why I am posting again . When I used POSTMAN its working properly.
I tried with without encoding as well. Then used
"application/json; charset=utf-8" No any solution I got.
My ClientCode:
...ANSWER
Answered 2017-Aug-17 at 18:58public static void main(String[] args) throws IOException {
Parent p = new Parent();
Header h = new Header();
h.setUser("XXX");
h.setPassword("af962d0ceacdd9af");
h.setTable("licf");
h.setMethod_override("get");
p.setHeader(h);
Test t = new Test();
String jsonInString = t.writeJSON(p);
ClientConfig config = new DefaultClientConfig();
Client client = Client.create(config);
client.addFilter(new LoggingFilter());
WebResource service = client.resource("https://hostedactivation.com/XXXXX/XXXXXXXX.php");
ClientResponse client_response = service.type(MediaType.APPLICATION_JSON).
header("Authorization", "Basic Y3liZXJzcGFI3UGc5").
post(ClientResponse.class,jsonInString);
System.out.println("Status: "+client_response.getEntity(String.class));
client.destroy();
}
private String writeJSON(Parent p) throws JsonGenerationException, JsonMappingException, IOException{
ObjectMapper mapper = new ObjectMapper();
String jsonInString = mapper.writeValueAsString(p);
return jsonInString;
}
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