ORA-00918 Column ambiguously defined [closed] - sql

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SELECT INDIVIDUAL.INV_FNAME,
INDIVIDUAL.INV_LNAME,
INDIVIDUAL.INV_IC_NUM,
CUSTOMER.MEMBER_LEVEL,
CUSTOMER.MEMBER_POINT_BALANCE,
CUSTOMER.MEMBER_DISCOUNT_RATE,
PROGRAM_USER.USER_CONTACT_NUM,
PROGRAM_USER.USER_ADDRESS,
PROGRAM_USER.USER_CITY,
PROGRAM_USER.USER_STATE,
PROGRAM_USER.USER_ZIP_CODE,
PROGRAM_USER.USER_COUNTRY,
PROGRAM_USER.USER_EMAIL
FROM PROGRAM_USER,CUSTOMER,INDIVIDUAL
WHERE USER_ID = ‘san’;

In your query only USER_ID column in the where condition is not specified with a table name. I guess USER_ID is there in multiple table. Try the where condition with proper table name
SELECT INDIVIDUAL.INV_FNAME,
INDIVIDUAL.INV_LNAME,
INDIVIDUAL.INV_IC_NUM,
CUSTOMER.MEMBER_LEVEL,
CUSTOMER.MEMBER_POINT_BALANCE,
CUSTOMER.MEMBER_DISCOUNT_RATE,
PROGRAM_USER.USER_CONTACT_NUM,
PROGRAM_USER.USER_ADDRESS,
PROGRAM_USER.USER_CITY,
PROGRAM_USER.USER_STATE,
PROGRAM_USER.USER_ZIP_CODE,
PROGRAM_USER.USER_COUNTRY,
PROGRAM_USER.USER_EMAIL
FROM PROGRAM_USER,CUSTOMER,INDIVIDUAL
WHERE PROGRAM_USER.USER_ID = ‘san’;
Also like #HoneyBadger comment you need to specify the join between the tables

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It seems like my min/max functions for my SQL code are reversed [closed]

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I'm using Microsoft SQL Server and I"m having issues writing a command for MIN and MAX functions.
It seems simple. The data type of the column is date time and the requested information is to find oldest/newest employee.
Below is the query I wrote:
select max(date_hired)
from staff;
select min(date_hired)
from staff;
But it seems like they are working in reverse. Min is giving me oldest and max is giving me youngest.

Presto: parse an entire column from a string to a date [closed]

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Current code I have is as follows:
select date_parse(column_name,'%Y-%m-%d %H:%i:%s')
This is the error I receive:
Error running query: line 1:19: Column "column_name" cannot be
resolved
I know that the format of the date I inserted is correct because I tested it with a value I have in the database and it returned the correct date value. It may be related to several records having no value in the column specified? Not exactly sure how I would account for that
I'm expecting the code to turn the entire column from a string into a date

Select * From Table Where column=data is not working [closed]

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Closed 3 years ago.
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I am using SQL Server. The following query is working fine:
select *
from Users
where Users.Id = 1
but when I use
select *
from Users
where Users.Username = "User"
this does not work.
Error:
Invalid Column name
Use on quote instead of double quote
select * from Users where Users.Username = 'User'
text datatype has been deprecated, you need to change the datatype to VARCHAR(n)/NVARCHAR(n) as it depends on your data and your needs.

How to get exact result from charindex? [closed]

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select *
from table_name
where charindex(dest_mail,'abc#mail.com') >0
In the above query dest_mail is a column, but there is another entry in the table, which is 'bc#mail.com'. When I try to execute the above query, I'm getting two results
1.abc#mail.com
2.bc#mail.com
How to get exact 'abc#mail.com'?
Have you considered =?
where dest_mail = 'abc#mail.com'
Also, charindex() is not very colloquial SQL for this purpose; = is a built-in standard operator (charindex() is not standard). And a bonus to = is that it allows the optimizer to take advantage of indexes and partitions.

Give an Alias to a column I've casted as a date [closed]

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Basically I'm selecting all the rows from a table and stripping the time portion of the date using
CAST(CREATE_DATE AS DATE)
but my results give me the rows I need but the column is unnamed.
How do I give the column a name?
Like this:
Cast(create_date as date) as [Column Name Here]
You can omit the [] if you are not using spaces or reserved words in your column name (which is good practice anyway).