Transcript of Cost of living in the 1970's-prices, average salary, life expectancy, etc. By: Caleb Roberts Cost of living in the 1970's Hit record highs. Families should brace themselves for drop in standard living.
define [SQL*Plus] define sets a user variable or displays its value. The following command sets the variable varname to foo. define varname=foo. From now on, whenever SQL*Plus encounters a &varname, it replaces it with foo. The ampersand is the default prefix for defined variables. BTW, this default can be changed with set define. The following command displays the value of varname. define varname.
If an alias used in a statement in a package, an SQL routine, a trigger, the default expression for a global variable, or a view definition points to an alias chain, then a dependency is recorded for the package, SQL routine, trigger, global variable, or view on each alias in the chain.