Change to exact numerics data type term

docs/src/main/sphinx/language/types.md

@@ -104,11 +104,10 @@ IEEE Standard 754 for Binary Floating-Point Arithmetic.
 
 Example literals: `DOUBLE '10.3'`, `DOUBLE '1.03e1'`, `10.3e0`, `1.03e1`
 
-(fixed-precision-data-types)=
+(exact-numeric-data-types)=
+## Exact numeric
 
-## Fixed-precision
-
-Fixed-precision numbers can be expressed as numeric literals such as `1.1`, and
+Exact numeric values can be expressed as numeric literals such as `1.1`, and
 are supported by the `DECIMAL` data type.
 
 Underscore characters are ignored within literal values, and can be used to
@@ -121,8 +120,8 @@ Leading zeros in literal values are permitted and ignored. For example,
 
 ### `DECIMAL`
 
-A fixed-precision decimal number. Precision up to 38 digits is supported
-but performance is best up to 18 digits.
+A exact decimal number. Precision up to 38 digits is supported but performance
+is best up to 18 digits.
 
 The decimal type takes two literal parameters:
 

docs/src/main/sphinx/routines/declare.md

@@ -30,7 +30,7 @@ characters:
 DECLARE first_name, last_name, middle_name varchar(25);
 ```
 
-A declaration of a fixed-precision decimal number with a default value:
+A declaration of an exact decimal number with a default value:
 
 ```sql
 DECLARE uptime_requirement decimal DEFAULT 99.999;

docs/src/main/sphinx/sql/show-stats.md

@@ -47,11 +47,11 @@ here, are not included.
   - `NULL` in the table summary row. Available for columns of
     [DATE](date-data-type), [integer](integer-data-types),
     [floating-point](floating-point-data-types), and
-    [fixed-precision](fixed-precision-data-types) data types.
+    [exact numeric](exact-numeric-data-types) data types.
 * - `high_value`
   - The highest value found in this column
   - `NULL` in the table summary row. Available for columns of
     [DATE](date-data-type), [integer](integer-data-types),
     [floating-point](floating-point-data-types), and
-    [fixed-precision](fixed-precision-data-types) data types.
+    [exact numeric](exact-numeric-data-types) data types.
  :::