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SQL QUESTIONS

How to reference columns with the same name in SQL?
How to reference columns with the same name in SQL?
wish of those help Using column aliases in the group by is not supported by most databases -- it is not mandated by the standard.You can always use the original column:
TAG : sql
Date : December 02 2020, 10:46 PM , By : user3045700
Numeric Overflow - works when limiting results, not for full query
Numeric Overflow - works when limiting results, not for full query
around this issue I'm getting an numeric overflow problem in TD. , increase the length of decimal
TAG : sql
Date : December 02 2020, 10:46 PM , By : user3045610
SQL Select Error: "ORA-01722: invalid number" only when number is queried
SQL Select Error: "ORA-01722: invalid number" only when number is queried
it helps some times There is nothing confusing about the version where you provide a number value in the WHERE clause. Because your value is a number Oracle attempts to convert the varchar2 column values into a number data type for comparison. Some o
TAG : sql
Date : December 02 2020, 10:46 PM , By : user3045555
Function to return int values from a column - SQL
Function to return int values from a column - SQL
I wish this helpful for you Your function is a scalar function so it returns a single value. That single value is determined by this logic:
TAG : sql
Date : December 02 2020, 10:46 PM , By : user3045547
select string between 3rd and 4th pipe delimiter
select string between 3rd and 4th pipe delimiter
wish helps you I have a column that contains values such as , Perhaps this will helpExample
TAG : sql
Date : December 02 2020, 10:46 PM , By : user3045392
SQL Query for Search Page
SQL Query for Search Page
Does that help Consider wrapping the equality expressions in NVL (synonymous to COALESCE) so if parameter inputs are blank, corresponding column is checked against itself. Also, be sure to kick the a-b-c table aliasing habit.
TAG : sql
Date : December 01 2020, 04:52 PM , By : user3045435
How to join by closest timestamp in BigQuery?
How to join by closest timestamp in BigQuery?
To fix the issue you can do Unlike a lot of other databases, this is a good time for a cross join in BQ. The following query finds the absolute difference (in minutes) between a student's desired start time and ALL class start times, ranks them, and
TAG : sql
Date : December 01 2020, 04:52 PM , By : Tanveer Hussain
How to iterate through table using columns as variables
How to iterate through table using columns as variables
Hope that helps EDIT: Classic overthink at play. Thats what no sleep and double hours results in. for the help! Solution selected below. , Here is an imagination for what you may need:
TAG : sql
Date : December 01 2020, 04:52 PM , By : user3045250
Snowflake server, split duration by hour?
Snowflake server, split duration by hour?
wish helps you For this type of project it helps to have separate date interval tables.here is the script to achieve what you need.
TAG : sql
Date : December 01 2020, 04:52 PM , By : user3045126
Using charindex to correct name with two commas
Using charindex to correct name with two commas
will be helpful for those in need It's going to be messy, so you will need lots of test samples, but here you go. Use REVERSE() to find the last comma, then use that location to parse the first and last.
TAG : sql
Date : December 01 2020, 04:52 PM , By : user3045104
Is there a way to perform this inner join in sql?
Is there a way to perform this inner join in sql?
help you fix your problem You need to use left join and coalesce() to get 0 hours for the workers that do not have hours on '2019-07-20'
TAG : sql
Date : December 01 2020, 04:50 PM , By : zubinmatie
Can not get sql query to run VBA and keep getting errors 3131 error in from clause and 3067 Query must contain at least
Can not get sql query to run VBA and keep getting errors 3131 error in from clause and 3067 Query must contain at least
it helps some times the use of of parentheses ("a")("b") isn't necessary, you could use a single "a" "b" to concatenate strings and "a" _ "b" to join lines of code, try this to construct your query
TAG : sql
Date : December 01 2020, 04:50 PM , By : Max
Convert CURRENT_TIMESTAMP from UTC to EST
Convert CURRENT_TIMESTAMP from UTC to EST
This might help you I am trying to declare a datetime variable at the beginning of my query that holds the run time of the query. I am pulling UTC time but I need EST. , Short VersionUse a single :
TAG : sql
Date : December 01 2020, 04:47 PM , By : user3044658
String masking with Regex at Oracle
String masking with Regex at Oracle
like below fixes the issue I want to mask name and surname in Oracle. For example; John Smith => Jo** Sm** , If you want todo it with regexp you can use the following:
TAG : sql
Date : December 01 2020, 04:47 PM , By : user3044519
Calculation of rank according to supplier table & sales table
Calculation of rank according to supplier table & sales table
Hope this helps I'm working with SQL Server 2014; I attached a purchase table (from suppliers) and sales table. , Try this ...
TAG : sql
Date : December 01 2020, 04:45 PM , By : user3044254
Get length of time while status remains the same
Get length of time while status remains the same
this one helps. If there are only two statuses, you can use conditional aggregation to get the duration.
TAG : sql
Date : December 01 2020, 04:45 PM , By : user3044115
How to push image value to a database using puppeteer?
How to push image value to a database using puppeteer?
should help you out You can add encoding: "base64" to your options eg:
TAG : sql
Date : December 01 2020, 04:45 PM , By : user3044085
T-sql select xml value
T-sql select xml value
I hope this helps . , You must use namespaces in your Xquery
TAG : sql
Date : December 01 2020, 04:42 PM , By : user3044200
Combine values from multiple rows into one row with each value in it's own column
Combine values from multiple rows into one row with each value in it's own column
this one helps. I have a number of sites were customers can register and I want to combine in one row all the customer IDs associated with an email address across all sites. I am working in SQL Sever. , Just use conditional aggregation:
TAG : sql
Date : December 01 2020, 04:42 PM , By : user3044014
ERROR: varchar data type to a datetime data type resulted in error out-of-range value
ERROR: varchar data type to a datetime data type resulted in error out-of-range value
hope this fix your issue First, you seem to want to convert a string to a datetime value. Not the other way around.Second, SQL Server is pretty good about converting date/time values. But commas do confuse it.
TAG : sql
Date : December 01 2020, 04:42 PM , By : Andy
solving sub-query error ORA-01427 with join
solving sub-query error ORA-01427 with join
I hope this helps you . You don't need a join in the subquery. You need a correlation clause -- something that connects the result in the subquery to the row in the outer query:
TAG : sql
Date : December 01 2020, 04:42 PM , By : Woronkow Olegowich
Update statement with Where Not Exists
Update statement with Where Not Exists
Hope that helps Your approach is fine. You just need table aliases because the @ is used to in SQL Server to represent variables (scalars or tables) and is hence problematic for aliases:
TAG : sql
Date : December 01 2020, 04:40 PM , By : jianmc
How can I translate a query from SQL Server to Oracle?
How can I translate a query from SQL Server to Oracle?
this will help I am not sure I completely understand that syntax, but it seems this is a simple SELECT statement:
TAG : sql
Date : December 01 2020, 04:40 PM , By : user3043800
Update fields with an ID that is driven by date range
Update fields with an ID that is driven by date range
With these it helps I have two tables in SQL: T1 is laid out as follows: , a mixture of previous answers
TAG : sql
Date : December 01 2020, 04:40 PM , By : user3043650
Split output to multiple files in Hive
Split output to multiple files in Hive
it fixes the issue to @David C. RankinSplit CSV file in bash into multiple files based on condition
TAG : sql
Date : December 01 2020, 04:40 PM , By : y_H
How many times same date occurs
How many times same date occurs
hope this fix your issue I have a table column with dates that corresponds to sending order in my company. It is formatted like this 2019-07-31 09:52:09.427. , use count and cast datetime as date
TAG : sql
Date : December 01 2020, 04:40 PM , By : user3043612
Select Command With different where condition in same table which give result in two parreller column
Select Command With different where condition in same table which give result in two parreller column
I hope this helps you . i want these result in parallel column combine For login column , use conditional aggregation
TAG : sql
Date : December 01 2020, 04:40 PM , By : user3043459
How to exclude values within other values in recurrent searches using SQL
How to exclude values within other values in recurrent searches using SQL
To fix the issue you can do I think you want the longest matching value. However, the problem is that you need classes for the valid values. So:
TAG : sql
Date : December 01 2020, 04:36 PM , By : user3043140
How i turned postgres query to query builder format codeigniter?
How i turned postgres query to query builder format codeigniter?
it helps some times i want to select datas from many tables here is the code how to turned this , You're not far off - try this:
TAG : sql
Date : November 29 2020, 12:01 PM , By : user3043029
Am I looking for a cross join?
Am I looking for a cross join?
hop of those help? If I have two tables: , you can use row_number() and then use join
TAG : sql
Date : November 29 2020, 12:01 PM , By : user3042974
Convert nvarchar to Date type with one line of command
Convert nvarchar to Date type with one line of command
I wish this help you I have a column Number_Calc with data type of nvarchar(50) and the data in this column contains information of yyyymmdd. Below is the screenshot of the sample data of the said column. , You can directly write your these query in
TAG : sql
Date : November 29 2020, 12:01 PM , By : user3042934
Deleting data from one table if the reference doesn't exist in two other tables
Deleting data from one table if the reference doesn't exist in two other tables
Does that help You are getting no results/hits it means that you table location and/or lines having the null values in the product column. in clause failed if column having null value.try below query just added the null condition on the top of your s
TAG : sql
Date : November 29 2020, 12:01 PM , By : user3042884
Add Where-Condition to Joined View with Group By
Add Where-Condition to Joined View with Group By
seems to work fine I am currently building a website where people can place orders so it's kinda like an online shop. I want to create a view where i can easily see which users have not placed an order for more than 90 days. , Check aggregate conditi
TAG : sql
Date : November 29 2020, 12:01 PM , By : user3042833
Is it correct to have a table in SQL with just foreign key columns?
Is it correct to have a table in SQL with just foreign key columns?
I think the issue was by ths following , I'll give you an example where it is perfectly correct and desired:when you have many to many relationship, say Table1 and Table2 the best practice states that you should have table, eg. Table1Table2 with just
TAG : sql
Date : November 28 2020, 12:01 PM , By : user3042693
How to select values from many rows that has the same id to just one row and separate them with -?
How to select values from many rows that has the same id to just one row and separate them with -?
Does that help You can use string_agg() concatenation and row_number() window analytic function :
TAG : sql
Date : November 28 2020, 12:01 PM , By : user3042655
How to search for multiple substrings using instr()
How to search for multiple substrings using instr()
hop of those help? I'm trying to get the position of a file extension in a given string using instr(). This could be a number of possible extensions, so I need search for multiple substrings (eg. "jpg", "mp4"...). , This one is what you need.
TAG : sql
Date : November 28 2020, 12:01 PM , By : davidtruchet
Update with adding prefix N before each cell to display Chinese characters
Update with adding prefix N before each cell to display Chinese characters
should help you out When SQL Server converts a string to varchar, any characters that it cannot store are replaced with question marks. The question marks you are seeing are actually stored in the database. The original data has been lost forever.
TAG : sql
Date : November 28 2020, 12:01 PM , By : user3042498
Only return rows within two timestamp bounds - SQL - Postgresql
Only return rows within two timestamp bounds - SQL - Postgresql
it should still fix some issue I have time series data for the stock exchange which is only open between 9am and 4pm. I wish to disregard any rows that fall outside these bounds.
TAG : sql
Date : November 28 2020, 12:01 PM , By : user3042494
Drop a part of a timestamp
Drop a part of a timestamp
wish help you to fix your issue I want to drop a part of a time stamp. , You can convert to a date:
TAG : sql
Date : November 28 2020, 12:01 PM , By : user3042479
How to use 'DISTINCT ON' to query last row of duplicate rows?
How to use 'DISTINCT ON' to query last row of duplicate rows?
fixed the issue. Will look into that further I came across this tutorial on DISTINCT ON () query. To achieve the output, the following query was used: , I think you just want a descending sort on the second key:
TAG : sql
Date : November 27 2020, 05:23 PM , By : user3042381
Remove duplicate records based on timestamp
Remove duplicate records based on timestamp
I think the issue was by ths following , I'm writing a query to find duplicate records. I have table with following columns , think it will work
TAG : sql
Date : November 27 2020, 05:23 PM , By : user3042272
Sybase subquery in from clause cannot have where when called from linkedserver in sql server?
Sybase subquery in from clause cannot have where when called from linkedserver in sql server?
it fixes the issue The following sql works in sql server via "SAP ASE OLE DB Provider". , try this one (if c is integer and cannot be -1)
TAG : sql
Date : November 27 2020, 05:23 PM , By : user3042189
Permissions for Oracle function
Permissions for Oracle function
hope this fix your issue ‚ÄčI did a DESCRIBE statement on the function that is working and the new function that was not working. I found that a user account had execute permission on the function that worked but did not have execute permission on the
TAG : sql
Date : November 27 2020, 05:23 PM , By : user3042053
Whether snapshot database has instant records same as the source database in SQL?
Whether snapshot database has instant records same as the source database in SQL?
This might help you No, a database snapshot is purely a point in time view of your active database. Not only will it not be instant, it will not ever catch up. It is purely a point in time view of data as it was. In other words, the more time that la
TAG : sql
Date : November 27 2020, 12:01 PM , By : user3042030
Trying to replace a Cross Apply with a JOIN
Trying to replace a Cross Apply with a JOIN
wish help you to fix your issue We have a table, ProductHierarchy, which is set. The of rows will not change. It has simple parent/child Product Hierarchy data in it. , Wouldn't you just do this?
TAG : sql
Date : November 27 2020, 12:01 PM , By : user3041881
How to concatenate strings wrapped around the ' character
How to concatenate strings wrapped around the ' character
it should still fix some issue You need to concatenate '''' at the start and at the end of the concatenated columns:
TAG : sql
Date : November 27 2020, 12:01 PM , By : user3041812
In Microsoft SQL How do I return only 1 row per ID with multiple column results
In Microsoft SQL How do I return only 1 row per ID with multiple column results
it should still fix some issue This is so weird. You are using subqueries with no FROM clause.Just use conditional aggregation:
TAG : sql
Date : November 27 2020, 12:01 PM , By : Softdragon
Most efficient way to delete records from a huge table
Most efficient way to delete records from a huge table
To fix this issue The better approach is to avoid delete entirely by using partitions on your table. Instead of deleting records, drop partitions.For example, you can create a partition for each hour. Then you can drop the entire partition for the 25
TAG : sql
Date : November 26 2020, 03:04 PM , By : user3041659
SQL Format('MMMM') does not work in SQL Server 2008
SQL Format('MMMM') does not work in SQL Server 2008
wish help you to fix your issue This is a feature with SQL Server 2012 and higher. Try DATENAME(MONTH,[time]).
TAG : sql
Date : November 26 2020, 03:04 PM , By : user3041630
Impala SQL LEFT ANTI JOIN
Impala SQL LEFT ANTI JOIN
I think the issue was by ths following , It's different because you forgot specifying "where dbtwotable.empid is null" in the query 1 Additionally, your query 2 is logically different from query 1 because in query 1, you join only on equivalence of e
TAG : sql
Date : November 26 2020, 03:04 PM , By : user3041546
How to join columns in 1 table. One with a column that is being split by a comma
How to join columns in 1 table. One with a column that is being split by a comma
seems to work fine I'm trying to see all the results from one table. But one of the columns I am also splitting into two columns with a comma. Here's what it looks like , I think this is the answer, so I'll post it here
TAG : sql
Date : November 26 2020, 03:04 PM , By : user3041472
Select all values of a specific column associated with the max value of another column
Select all values of a specific column associated with the max value of another column
To fix this issue I want to pull data from my table. , You can do what you want using join or a subquery:
TAG : sql
Date : November 26 2020, 03:04 PM , By : user3041462
How to return top 2 values based on multiple column values
How to return top 2 values based on multiple column values
This might help you I have columns like given ---> , I think this might give you what you need...
TAG : sql
Date : November 26 2020, 03:04 PM , By : user3041460
Finding Largest Number in Array of Structs
Finding Largest Number in Array of Structs
help you fix your problem As I can see, you order your structs ascending by column count, so the last element is what you want (if there is no other name with same count). So you can just GetNamesAndCounts(types_of_professionals)[ordinal(array_length
TAG : sql
Date : November 26 2020, 03:04 PM , By : Sulu28
How can I make a query that will sort data on two criteria then add all values corresponding to that criteria from the i
How can I make a query that will sort data on two criteria then add all values corresponding to that criteria from the i
will be helpful for those in need I have an Access Database with a query, called Billing Hours which contains the following fields: Project Name, Customer, Employee, Date Worked, Work Description, Billable Hours and Non-billable Hours. , Try use sum
TAG : sql
Date : November 26 2020, 03:04 PM , By : Alessio De Angelis
Divide by zero error when using >, < or <> in Where statement. No division operator involved
Divide by zero error when using >, < or <> in Where statement. No division operator involved
it fixes the issue I have two CTEs using the same table which holds receipts. Receipt type "a" says how much is billed and may or may not have an amount received. Receipt type "b"s have how much was received if it was received outside of the original
TAG : sql
Date : November 26 2020, 12:01 PM , By : user3041329
SQL query to use different tables conditionally
SQL query to use different tables conditionally
Hope this helps If the two tables have the same structure (as implied by the temp table comment), you can do:
TAG : sql
Date : November 26 2020, 12:01 PM , By : user3041093
Creation of a table containing multiple row instances based on the count from another table
Creation of a table containing multiple row instances based on the count from another table
it fixes the issue Let's say I have one table, let's called it T1. It has 100 rows. I also have another table, let's call it T2. It has 3 rows. I want to create another table, let's call that T3. , cross join?
TAG : sql
Date : November 26 2020, 12:01 PM , By : user3041082
Generic comparison method for two tables in BigQuery if tables contain STRUCT type
Generic comparison method for two tables in BigQuery if tables contain STRUCT type
I think the issue was by ths following , I'm looking for a generic method to compare two tables in BigQuery, even if they have columns that are STRUCT type. , I think yo are looking for something like below to start with
TAG : sql
Date : November 26 2020, 06:28 AM , By : Ludacriz
How to do a query with different composite key?
How to do a query with different composite key?
fixed the issue. Will look into that further I have tables A and B, these tables have different compound keys table A has COD_E, NRO_S and table B has COD_E, NRO_S, COD_MOT, COD_TIPATE , Oracle does not support AS for table alias, but only for column
TAG : sql
Date : November 26 2020, 06:28 AM , By : Gev_sedrakyan

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