added . to predicate declarations

solution.pl

@@ -1,16 +1,17 @@
+:- dynamic tables/0.
 /*
 Prints the names of all existing tables, one per line (use writeln/1).
 A table name is always an atom.
 */
 tables.
 
-:- dynamic tables/1
+:- dynamic tables/1.
 /*
 Unify Tables with a list of the names of all existing tables.
 */
 tables(Tables).
 
-:- dynamic table/2
+:- dynamic table/2.
 /*
 When this predicate is executed, the effect will be the creation of a new
 table with the specified list of column names (order matters!).
@@ -21,7 +22,7 @@ All exceptions must have a descriptive error message.
 */
 create table(Table, Cols).
 
-:- dynamic cols/2
+:- dynamic cols/2.
 /*
 Unifies Cols with the list of columns for the specified table (in the same
 order as they were supplied to create table/2).
@@ -30,14 +31,14 @@ exception (use throw/1).
 */
 cols(Table, Cols).
 
-:- dynamic row/2
+:- dynamic row/2.
 /*
 Unifies Row, one result at a time, with each row in the given Table.
 If the given table does not exist, the predicate should fail.
 */
 row(Table, Row).
 
-:- dynamic rows/1
+:- dynamic rows/1.
 /*
 Displays all rows in the given table, one per line (use writeln/1).
 If the given table does not exist, the predicate must throw a descriptive
@@ -45,7 +46,7 @@ exception.
 */
 rows(Table).
 
-:- dynamic insert/2
+:- dynamic insert/2.
 /*
 When this predicate is executed, the effect will be the addition of a given
 row in the given table. The given row is a list of values for each of the
@@ -58,7 +59,7 @@ the table, the predicate must throw a descriptive exception.
 */
 insert(Table, Row).
 
-:- dynamic drop/1
+:- dynamic drop/1.
 /*
 When this predicate is executed, the effect will be the deletion of the given
 table.
@@ -70,7 +71,7 @@ exception.
 */
 drop(Table).
 
-:- dynamic delete/1
+:- dynamic delete/1.
 /*
 When this predicate is executed, the effect will be the deletion of all rows
 in the given table. The table itself should still exist after, but with no
@@ -80,7 +81,7 @@ exception.
 */
 delete(Table).
 
-:- dynamic delete/2
+:- dynamic delete/2.
 /*
 When this predicate is executed, the effect will be the deletion of all rows
 from the given table that match all of the given conditions. The table
@@ -94,7 +95,7 @@ prompt, but which may include selectors. Selectors are terms of the form
 */
 delete(Table, Conds).
 
-:- dynamic selec/4
+:- dynamic selec/4.
 /*
 Note that the name of this predicate is selec (without t) for the simple
 reason that select/4 is already a built-in Prolog predicate.
@@ -126,14 +127,14 @@ returns: Projections = [[0, "Jeffrey"], [1, "Lorena"], [2, "Joseph"], ...
 */
 selec(Table, Selectors, Conds, Projection)
 
-:- dynamic selec/3
+:- dynamic selec/3.
 /*
 Simplified variant of the selec/4 predicate when there are no conditions
 to be checked.
 */
 selec(TableOrTables, Selectors, Projection)
 
-:- dynamic query/2
+:- dynamic query/2.
 /*
 where Query is a string whose syntax is defined by the following grammar:
 ⟨query⟩ ::= ⟨select⟩ | ⟨insert ⟩
@@ -181,7 +182,7 @@ success, and if query/2 is used the Result parameter can be ignored.
 */
 query(Query, Result)
 
-:- dynamic query/1
+:- dynamic query/1.
 /*
 cf. query/2
 */