What does "x = ?" mean in condition of an SQL query?
120636
What is the question mark's significance in MySQL at "WHERE column = ?"?
124088
SQL Case Expression Syntax?
94883
Why does comparing a SQL date variable to null behave in this way?
85307
Can I configure MySQL's typecasting to consider 0 != 'foo'?
16137
What is the use of the square brackets [] in sql statements?
115344
Using a literal string in SELECT statement
9173
What are the PHP operators "?" and ":" called and what do they do?
9024
SQL Logic Operator Precedence: And and Or
19389
What does a (+) sign mean in an Oracle SQL WHERE clause?
128255
Empty Strings: Why or when is '' equal to ' '?
3941
What's the difference between ".equals" and "=="?
72909
What does the |= operator do in Java?
118970
How do I include nulls during comparisons in SQL Server?
42465
Whats the Actual meaning of ALL ROWS in SOQL?
138291
"OR" condition in db_select()
148619
Is there a reason not to use  (null safe equals operator) in mysql instead of =?
25134
How do I perform an IF...THEN in an SQL SELECT?