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Exclude a column using SELECT * [except columnA] FROM tableA? We all know that to select all columns from a table, we can use SELECT * FROM tableA Is there a way to exclude column(s) from a table without specifying all the columns? SELECT * [except columnA]
sql - MySQL SELECT only not null values - Stack Overflow Is it possible to do a select statement that takes only NOT NULL values? Right now I am using this: SELECT * FROM table And then I have to filter out the null values with a php loop Is there a
sql - How to do a Select in a Select - Stack Overflow I have a table containing a unique ID field Another field (REF) contains a reference to another dataset's ID field Now I have to select all datasets where REF points to a dataset that doesn't exi
SQL SELECT WHERE field contains words - Stack Overflow I need a select which would return results like this: SELECT * FROM MyTable WHERE Column1 CONTAINS 'word1 word2 word3' And I need all results, i e this includes strings with 'word2 word3 word1' or '
sql - Case in Select Statement - Stack Overflow Using a SELECT statement with a searched CASE expression Within a SELECT statement, the searched CASE expression allows for values to be replaced in the result set based on comparison values
mysql - SELECT * WHERE NOT EXISTS - Stack Overflow SELECT * from employees WHERE NOT EXISTS ( SELECT name FROM eotm_dyn WHERE eotm_dyn employeeid = employees employeeid ) assuming that the two tables are linked by a foreign key relationship At this point you could use a variety of other options including a LEFT JOIN The optimizer will typically handle them the same in most cases, however
sql - select * vs select column - Stack Overflow If I just need 2 3 columns and I query SELECT * instead of providing those columns in select query, is there any performance degradation regarding more less I O or memory? The network overhead mig
sql - How to select only the first rows for each unique value of a . . . In the table, one customer like John Smith can have multiple addresses I need the SELECT query for this table to return only first row found where there are duplicates in 'CName' For this table it should return all rows except the 3rd (or 1st - any of those two addresses are okay but only one can be returned) Is there a keyword I can add to the SELECT query to filter based on whether the
SQL Server SELECT into existing table - Stack Overflow I am trying to select some fields from one table and insert them into an existing table from a stored procedure Here is what I am trying: SELECT col1, col2 INTO dbo TableTwo FROM dbo TableOne W