SQL select * vs. selecting specific columns
75366
Why is SELECT * considered harmful?
7488
Inner join vs Where
44726
What is the difference between HAVING and WHERE in SQL?
70227
Multiple select statements in Single query
8161
How do I create a stored procedure that will optionally search columns?
103622
Select Multiple Values from Same Column; one sql statment
49279
SQL exclude a column using SELECT * [except columnA] FROM tableA?
84825
In SQL, what's the difference between count(column) and count(*)?
99409
What is the reason not to use select *?
68780
Limit on the WHERE col IN (...) condition
43308
What is the difference between select count(*) and select count(any_non_null_column)?
3556
Select all columns except one in MySQL?
35430
selecting where two columns are in a set
66324
Performance of string comparison vs int join in SQL
23997
How do I order by multiple columns in a SELECT query?
102310
mysql select dynamic row values as column names, another column as value
153902
Is it possible to output a SELECT statement from a PL/SQL block?