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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 ...
Jquery insert new row into table at a certain index
I know how to append or prepend a new row into a table using jquery:
9 Answers
9
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What does .SD stand for in data.table in R
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.SD stands for something like "Subset of Data.table". There's no significance to the initial ".", except that it makes it even more unlikely that there will be a clash with a user-defined column name.
If this is your data.table:
DT = data.table(x=rep(c("a","b","c"),eac...
How to prevent line-break in a column of a table cell (not a single cell)?
How can I prevent automatic line breaks in a column of table (not a single cell)?
9 Answers
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MySQL Error 1093 - Can't specify target table for update in FROM clause
I have a table story_category in my database with corrupt entries. The next query returns the corrupt entries:
16 Answers...
How to check if a column exists in a SQL Server table?
...HERE Name = N'columnName'
AND Object_ID = Object_ID(N'schemaName.tableName'))
BEGIN
-- Column Exists
END
Martin Smith's version is shorter:
IF COL_LENGTH('schemaName.tableName', 'columnName') IS NOT NULL
BEGIN
-- Column Exists
END
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How to update Identity Column in SQL Server?
...because it started
with a big number 10010 and it's related with another table, now I have 200 records and I want to fix this issue before the records increases.
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How can I set the max-width of a table cell using percentages?
The above does not work. How can I set the max-width of a table cell using percentages?
4 Answers
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Fast way to discover the row count of a table in PostgreSQL
I need to know the number of rows in a table to calculate a percentage. If the total count is greater than some predefined constant, I will use the constant value. Otherwise, I will use the actual number of rows.
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Permission denied for relation
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GRANT on the database is not what you need. Grant on the tables directly.
Granting privileges on the database mostly is used to grant or revoke connect privileges. This allows you to specify who may do stuff in the database if they have sufficient other permissions.
You want ins...