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Postgres DB Size Command
... of all the databases that you can connect to from the "pg_datbase" system table. Just apply the function to the names, as below.
select t1.datname AS db_name,
pg_size_pretty(pg_database_size(t1.datname)) as db_size
from pg_database t1
order by pg_database_size(t1.datname) desc;
If you int...
What is the “owning side” in an ORM mapping?
... example of two entities mapped without declaring a owning side:
@Entity
@Table(name="PERSONS")
public class Person {
@OneToMany
private List<IdDocument> idDocuments;
}
@Entity
@Table(name="ID_DOCUMENTS")
public class IdDocument {
@ManyToOne
private Person person;
}
From a...
Removing duplicate rows from table in Oracle
I'm testing something in Oracle and populated a table with some sample data, but in the process I accidentally loaded duplicate records, so now I can't create a primary key using some of the columns.
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Parse JSON in TSQL
...le Talk website that outlines how to take a JSon string and output it into tables and columns that can be queried. This is for SQL Server 2016: https://www.simple-talk.com/sql/learn-sql-server/json-support-in-sql-server-2016/
– codeaf
Jul 28 '16 at 18:10
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Script entire database SQL-Server
Is there a way I can get a scripting of all tables, procs, and other objects from a database? I know there's an option to script the database but it only gave me some sort of top level script, certainly not a script to create all tables, procs, udfs, .etc.
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Sql query to insert datetime in SQL Server
I want to insert a datetime value into a table(SQL Server) using the sql query below
7 Answers
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How does std::forward work? [duplicate]
...thing using another mysterious thing. This particular cast is defined by a table in Xeo's answer. But the question is: Why? So here's my understanding:
Suppose I want to pass you an std::vector<T> v that you're supposed to store in your data structure as data member _v. The naive (and safe) s...
Alter column, add default constraint
I have a table and one of the columns is "Date" of type datetime. We decided to add a default constraint to that column
6 ...
How to convert boost path type to string?
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@MarcoAlka See the linked table boost.org/doc/libs/1_48_0/libs/filesystem/v3/doc/… and note the second line: class path canonize() Function removed - that means it was once in the library but no longer--the definition of deprecated.
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The ALTER TABLE statement conflicted with the FOREIGN KEY constraint
I have a problem when trying to add a foreign key to my tblDomare table; what am I doing wrong here?
18 Answers
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