What SQL command do you use to query a database? a. WHERE b. SELECT c. FROM d. SET

What happens if you leave a key partition's argument empty (in SQL)?

Do question 2.   Create the SQL code (ONLY) that will solve the following questions. Please put all items in one query and submit. You will create only SQL query to solve all of the items below.   Add the usual detailed comment and USE statement at the beginning of the query.   Name the database: Quiz4query   Instructions   Q1. Put the solution to the following mathematical calculation into a variable "Quiz4Calc" : 3.14159265358979 * 4589.631 Note: you can use a scale or 8.   Q2. Use the CONVERT function, a. Convert to integer, use the heading: “integer” b. Convert to Real with 7 significant digits, Heading: “Real” c. Convert to Float with 15-significant digits, Heading: “Float”

PostgreSql differs from the SQL Standard primarily by requiring which of these constructs.   a. reference to either the old row or new row   b. begin and end   c. stored trigger function   d. trigger credentials