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Turn off constraints temporarily (MS SQL)
I'm looking for a way to temporarily turn off all DB's constraints (eg table relationships).
5 Answers
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python pandas dataframe to dictionary
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Nice and elegant solution, but on a 50k rows table, it is about 6 times slower than my ugly solution below.
– dalloliogm
Jun 24 '14 at 10:44
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Cannot truncate table because it is being referenced by a FOREIGN KEY constraint?
Using MSSQL2005, can I truncate a table with a foreign key constraint if I first truncate the child table (the table with the primary key of the FK relationship)?
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How to delete duplicates on a MySQL table?
I need to DELETE duplicated rows for specified sid on a MySQL table.
25 Answers
25...
Howto: Clean a mysql InnoDB storage engine?
...clean a mysql innodb storage engine so it is not storing data from deleted tables?
2 Answers
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Get all table names of a particular database by SQL query?
...nt sql dbms deal with schemas.
Try the following
For SQL Server:
SELECT TABLE_NAME
FROM INFORMATION_SCHEMA.TABLES
WHERE TABLE_TYPE = 'BASE TABLE' AND TABLE_CATALOG='dbName'
For MySQL:
SELECT TABLE_NAME
FROM INFORMATION_SCHEMA.TABLES
WHERE TABLE_TYPE = 'BASE TABLE' AND TABLE_SCHEMA='dbName'
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How to select rows with no matching entry in another table?
...ication and I've discovered that, joy of joys, even though values from one table are being used in the style of foreign keys, there's no foreign key constraints on the tables.
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How do I see all foreign keys to a table or column?
...ow do I get a list of all foreign key constraints pointing to a particular table? a particular column? This is the same thing as this Oracle question , but for MySQL.
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Filter by property
...(modelType, specify):
clause = "SELECT * from %s" % modelType._meta.db_table
if len(specify) > 0:
clause += " WHERE "
for field, eqvalue in specify.items():
clause += "%s = '%s' AND " % (field, eqvalue)
clause = clause [:-5] # remove last AND
pri...
Performing Inserts and Updates with Dapper
...time you can do the following
val = "my value";
cnn.Execute("insert into Table(val) values (@val)", new {val});
cnn.Execute("update Table set val = @val where Id = @id", new {val, id = 1});
etcetera
See also my blog post: That annoying INSERT problem
Update
As pointed out in the comments, t...