Questions - QStack.ai

12

views

1

answer

2

votes

2023-06-28 22:30:02 +0000 nofretete

How can I combine an existing query with a temporary table?

sed
sql

8

views

1

answer

no

votes

2023-06-29 00:32:01 +0000 djk

What is the issue with the "MySQL.Data" file or assembly not being able to load on .NET core?

mysql
sql

9

views

1

answer

4

votes

2023-06-29 02:57:01 +0000 nofretete

How can we turn off the generation of proxies for a single instance in Entity Framework 7?

sql

10

views

1

answer

3

votes

2023-06-29 04:10:01 +0000 djk

What steps can be taken to enhance the performance of this SQL query?

12

views

1

answer

3

votes

2023-06-29 04:31:01 +0000 scrum

How can variable substitution be applied in psql's \copy?

sql

13

views

1

answer

1

vote

2023-06-29 05:19:02 +0000 scrum

In what way can Apache IoTDB handle the combination and grouping of data from various time periods in numerous devices?

ada
sql

11

views

1

answer

2

votes

2023-06-29 11:02:01 +0000 david

Although PUT Response is 200 OK, the MySQL Database contains missing or null data.

mysql
sql

16

views

1

answer

4

votes

2023-06-29 19:55:02 +0000 scrum

How can you use Postgresql SQL to GROUP data by time interval with a level of accuracy that can be as specific as milliseconds?

10

views

1

answer

1

vote

2023-06-30 01:55:02 +0000 lakamha

What is the process for setting up an SQL job to automatically remove all the logs located in C:\Program Files\Microsoft SQL Server\MSSQL15.MSSQLSERVER\MSSQL\Log\Polybase\dump?

10

views

1

answer

no

votes

2023-06-30 09:38:01 +0000 woof

How can filtering be done conditionally in MYSQL based on the first two characters?

14

views

1

answer

3

votes

2023-06-30 17:51:02 +0000 nofretete

How can I update columns in a PHP database that have been randomly indexed?

php
sql

17

views

1

answer

no

votes

2023-06-30 19:51:02 +0000 devzero

What is the method to properly encode JSON strings in python mysql.connector?

13

views

1

answer

2

votes

2023-06-30 21:49:01 +0000 devzero

What is the reason for the failure to obtain metadata for the first table-valued parameter with the SQLSTATE[IMSSP] error?

8

views

1

answer

4

votes

2023-06-30 22:07:01 +0000 pufferfish

What is the process for generating a column with categories using two numerical columns in SQL Server?

sql
sed

22

views

1

answer

1

vote

2023-06-30 22:55:01 +0000 woof

How can I overcome the "command not found" error message when I attempt to upgrade postgresql from version 9.4 to version 12 using pg_upgrade?

8

views

1

answer

1

vote

2023-07-01 01:12:02 +0000 plato

How can I group data by day rather than by specific date?

sql

12

views

1

answer

1

vote

2023-07-01 07:21:01 +0000 woof

What is the way to eliminate specific categories from my dataset?

11

views

1

answer

3

votes

2023-07-01 09:18:02 +0000 huitzilopochtli

What is the problem with PyODBC in Python3 when connecting from Windows7 to SQL Server?

sql
python

12

views

1

answer

4

votes

2023-07-01 13:42:02 +0000 lakamha

How does the COALESCE() method in Python execute SQL?

13

views

1

answer

1

vote

2023-07-01 22:47:01 +0000 qstack

How can the relative path for Flyway be specified in a project built with Gradle?

16

views

1

answer

1

vote

2023-07-02 01:11:02 +0000 ladyg

What is the algorithm for wildcard searching in SQL?

8

views

1

answer

4

votes

2023-07-02 02:10:02 +0000 devzero

When attempting to execute a query that involves a CASE expression in Oracle SQL, why am I receiving the message "FROM keyword not found where expected"?

sed
sql

15

views

1

answer

2

votes

2023-07-02 20:03:01 +0000 plato

How can both read and unread rows be retrieved in mysql?

sql
mysql

8

views

1

answer

no

votes

2023-07-02 22:08:02 +0000 scrum

What caused the FlywayException error message "Validate failed" with migration 2 due to a checksum mismatch?

9

views

1

answer

no

votes

2023-07-03 01:47:01 +0000 huitzilopochtli

What is the method to retrieve data from collection A and collection B where multiple data from the ID of collection A matches, and to arrange the retrieved data in a loop in the desired format?

sql
sed

10

views

1

answer

1

vote

2023-07-03 12:23:01 +0000 huitzilopochtli

What is the method to generate ksql_processing_log and forward the error message to a Kafka topic?

sql
sed

13

views

1

answer

1

vote

2023-07-03 22:19:01 +0000 qstack

How do you select in Crystal Reports?

crystal
sql

13

views

1

answer

3

votes

2023-07-04 01:31:02 +0000 nofretete

What mistake is made in an SQLite query that tries to reference a column in a table which is a record in another table?

12

views

1

answer

3

votes

2023-07-04 11:49:02 +0000 woof

How can we determine the elements within a specific range?

sql
python

10

views

1

answer

no

votes

2023-07-04 14:23:02 +0000 huitzilopochtli

Why is the Add-Migration command not creating the SQL Server database in ASP.NET Core 6.0 despite using Entity Framework version 6?

sql
sed

1122 questions

How can I combine an existing query with a temporary table?

What is the issue with the "MySQL.Data" file or assembly not being able to load on .NET core?

How can we turn off the generation of proxies for a single instance in Entity Framework 7?

What steps can be taken to enhance the performance of this SQL query?

How can variable substitution be applied in psql's \copy?

In what way can Apache IoTDB handle the combination and grouping of data from various time periods in numerous devices?

Although PUT Response is 200 OK, the MySQL Database contains missing or null data.

How can you use Postgresql SQL to GROUP data by time interval with a level of accuracy that can be as specific as milliseconds?

What is the process for setting up an SQL job to automatically remove all the logs located in C:\Program Files\Microsoft SQL Server\MSSQL15.MSSQLSERVER\MSSQL\Log\Polybase\dump?

How can filtering be done conditionally in MYSQL based on the first two characters?

How can I update columns in a PHP database that have been randomly indexed?

What is the method to properly encode JSON strings in python mysql.connector?

What is the reason for the failure to obtain metadata for the first table-valued parameter with the SQLSTATE[IMSSP] error?

What is the process for generating a column with categories using two numerical columns in SQL Server?

How can I overcome the "command not found" error message when I attempt to upgrade postgresql from version 9.4 to version 12 using pg_upgrade?

How can I group data by day rather than by specific date?

What is the way to eliminate specific categories from my dataset?

What is the problem with PyODBC in Python3 when connecting from Windows7 to SQL Server?

How does the COALESCE() method in Python execute SQL?

How can the relative path for Flyway be specified in a project built with Gradle?

What is the algorithm for wildcard searching in SQL?

When attempting to execute a query that involves a CASE expression in Oracle SQL, why am I receiving the message "FROM keyword not found where expected"?

How can both read and unread rows be retrieved in mysql?

What caused the FlywayException error message "Validate failed" with migration 2 due to a checksum mismatch?

What is the method to retrieve data from collection A and collection B where multiple data from the ID of collection A matches, and to arrange the retrieved data in a loop in the desired format?

What is the method to generate ksql_processing_log and forward the error message to a Kafka topic?

How do you select in Crystal Reports?

What mistake is made in an SQLite query that tries to reference a column in a table which is a record in another table?

How can we determine the elements within a specific range?

Why is the Add-Migration command not creating the SQL Server database in ASP.NET Core 6.0 despite using Entity Framework version 6?

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