One of the most common questions SQL users ask is how to load and connect different files. This article covers the question and provides an overview of how to load and connect different types of files in SQL.
SQL Server Unique constraint for values in different columnI agree 100% with the above comments ...
SQL Server Unique constraint for values in different columnI agree 100% with the above comments ...
We should follow certain best practices while designing objects in SQL Server. For example, a table should have primary keys, identity columns, clustered and non-clustered indexes, constraints to ensure data integrity and performance. Even we follow the best practices, and we might face issues suc...
SUMIF function with different columns Hi, I'm trying to create a SUMIF function to add the sum of columns and I ONLY if column F = "deposit funds." I've tried =SUMIF(F3,"deposit funds",H3+I2), but it wont' work. I also tried SUMIFS with ......
Issue description PostgresQueryRunner.loadTables returns an incorrect value for "uniques" if there are identically named constraints in different tables. Expected Behavior PostgresQueryRunner.loadTables returns a correct value for "uniqu...
A Unique index will be created automatically when you define a PRIMARY KEY or UNIQUE KEY constraints on the specified columns. In all cases, creating a Unique index on the unique data, instead of creating a non-unique index on the same data, is highly recommended, as it will help the SQ...
Hello everyone, I am trying to get the number of entries in a column based on date in a different column. For example, I have the date in Column A and entries in column B. I want to get the to... Ashar2200 You may try something like this... ...
Check constraints or partition function of source table ALTER TABLE with variable TableName ALTER vs UPDATE when creating a new column with default value. Alternate queries for MERGE Alternative for OR in WHERE clause Alternative for PIVOT Alternative of CURSOR in SQL to improve performance ?
From : http://troels.arvin.dk/db/rdbms/ The goal of this page — which is a work in progress — is to gather information relevant for people who are porting SQL from one product to another and/or ...