schema Questions
11
I want to create on DataFrame with a specified schema in Scala. I have tried to use JSON read (I mean reading empty file) but I don't think that's the best practice.
Bathyal asked 17/7, 2015 at 13:58
3
Solved
According to this question on nesting Avro schemas, the right way to nest a record schema is as follows:
{
"name": "person",
"type": "record",
"fields": [
{"name": "firstname", "type": "string...
3
Solved
I have an existing XML schema that contains a type that I would like to map to a Java Map of some sort using JAXB. My build process takes the schema and creates the beans. I would like to customize...
6
Solved
Does anyone know how to pull a database Scheme Diff for two databases using MySQL Workbench. v5.2 states it has this feature, but I can't seem to find it. I must use MySQL Workbench.
Koel asked 20/4, 2012 at 14:20
2
Solved
I have this:
DROP SCHEMA Lab1 CASCADE;
CREATE SCHEMA Lab1;
CREATE TABLE Lab1.PERSONS(
SSN INT primary key,
Name CHARACTER (30),
HouseId INT,
ApartmentNumber INT ,
Salary DECIMAL (5, 2)
);
But t...
Acinaciform asked 19/1, 2017 at 9:6
1
I have two tables teams and roasters. Rosters table contains six team_ids. The name of the teams respect to those ids presented to the teams table. I need to fetch the team_ids with respect to an u...
2
Solved
tl;dr
Next.js 13's /app router's layout and page routing changes how we add content to the <head>. How can I add a schema script to each page? Next.js will automatically compile <head> ...
Philips asked 20/7, 2023 at 16:36
3
Solved
I have a Spark data frame (df1) with a particular schema, and I have another dataframe with the same columns, but different schema. I know how to do it column by column, but since I have a large se...
Tantalus asked 19/4, 2023 at 1:32
2
How to fetch a list of schema from the current database. The result which we get using \dn. This query fetches all schema
SELECT table_schema,table_name
FROM information_schema.tables
ORDER BY ...
Myth asked 24/5, 2018 at 12:49
31
Solved
Is there a SQL statement that can return the type of a column in a table?
20
Solved
I have the migration file db\migrate\20100905201547_create_blocks.rb.
How can I specifically rollback that migration file?
Calciferous asked 5/9, 2010 at 20:30
3
Solved
I'm trying to validate my XML document against my XML schema.
This is my schema:
<?xml version="1.0" encoding="UTF-8"?>
<schema xmlns="http://www.w3.org/2001/XMLSchema"
targetNamespace=...
3
I'm using the schema library.
How can I create a schema to validate if a dictionary contains anyone of the keys and corresponding values in it?
mydict_schema = Schema({
Optional('name'): str,
O...
Lehrer asked 27/7, 2017 at 9:16
18
Solved
This is probably a n00blike (or worse) question. But I've always viewed a schema as a table definition in a database. This is wrong or not entirely correct. I don't remember much from my database c...
Willamina asked 18/11, 2008 at 13:41
4
I've been trying to solve this one all week, help very much appreciated.
I have various schemas in a postgres db and I would like to be able to map to them from within the same or across different...
Handcraft asked 12/6, 2018 at 14:33
3
Solved
We have a fairly large and complex json schema with many includes via $ref references. Ideally using Python and jsonschema I'd like to take those schema and fully expand the references (recursively...
Nestorius asked 1/11, 2017 at 11:46
7
Solved
I am validating my jaxb object through Validator class. Below is the code I am using to validate jaxb object. But While validating it I am getting this error.
jc = JAXBContext.newInstance(obj.getCl...
1
Solved
Say I have a YAML file https://raw.githubusercontent.com/kaihendry/days/main/template.yml
with an accompanying schema:
https://raw.githubusercontent.com/awslabs/goformation/master/schema/sam.schema...
Colum asked 27/11, 2021 at 4:20
8
Solved
Mongoose seems to default to make all fields not required. Is there any way to make all the fields required without changing each of:
Dimension = mongoose.Schema(
name: String
value: String
)
...
4
Solved
I'm building a program that stores news headlines for companies and its timestamp from various sources.
Let's say the number of company is 1000. It goes like Apple, Google, Microsoft.. etc.
So I ...
4
Solved
Spark: 3.0.0
Scala: 2.12.8
My data frame has a column with JSON string, and I want to create a new column from it with the StructType.
temp_json_string
{"name":"test",&q...
Win asked 23/9, 2020 at 15:31
3
thank you for your time.
I am trying to build a database with with the following instructions
T1-Hotel (hotelNo, hotelName, city)
T2-Room (roomNo, hotelNo, type, price)
T3-Guest (guestNo, guestName...
Shout asked 12/10, 2020 at 17:27
3
How to write multi ref for one property of one mongoose schema, like this(but wrong):
var Schema = mongoose.Schema;
var PeopleSchema = new Schema({
peopleType:{
type: Schema.Types.ObjectId,
ref...
3
Solved
Question:
Is there a plain or native javascript way to validate a JSON script against a JSON schema?
I have found lots of libraries on Github, but no native/plain solution. Does EcmaScript not ha...
Il asked 13/8, 2016 at 19:53
4
Solved
I'm trying to create a Postgres database for the first time.
I assigned basic read-only permissions to the DB role that must access the database from my PHP scripts, and I have a curiosity: If I ex...
Tepper asked 27/6, 2013 at 8:46
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