A common SQL habit is to use SELECT * on a query, because it’s tedious to list all the columns you need. Plus, sometimes those columns may change over time, so why not just do things the easy way?

Some database vendors also have specific queries; for example, in MySQL, you can use SHOW TABLE STATUS to get stats about all tables, including row counts. With Microsoft T-SQL, there’s the ...

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list all; run; proc sql stimer; title "Employees Who Earn Below ... disconnect from sybase; quit; When a PROC SQL query contains subqueries or inline views, the innermost query is evaluated first. In ...

Whether it’s parsing XML content, building HTML for the browser or trying to understand what the user just typed into that text entry field, developers have no choice but to deal with text all the ...