Schema: fix example queries (#19426)

Changes:
- Fixed schema examples that were mistakenly updated in #19296

schema/tables/cpu_time.yml

@@ -4,5 +4,5 @@ examples: |-
   ratio of 2 was arbitrarily chosen.
 
   ```
-  SELECT * FROM cpu_time WHERE user/system|-2;
+  SELECT * FROM cpu_time WHERE user/system>2;
   ```

schema/tables/macos_rsr.yml

@@ -14,7 +14,7 @@ columns:
     required: false
     type: text
   - name: rsr_supported
-    description: Whether this macOS version supports RSRs (|-= 13). Possible values are 'true' or 'false'.
+    description: Whether this macOS version supports RSRs (>= 13). Possible values are 'true' or 'false'.
     required: false
     type: text
   - name: rsr_version

schema/tables/password_policy.yml

@@ -4,7 +4,7 @@ examples: |-
   or longer.
 
   ```
-  SELECT 1 FROM (SELECT cast(lengthtxt as integer(2)) minlength FROM (SELECT SUBSTRING(length, 1, 2) AS lengthtxt FROM (SELECT policy_description, policy_identifier, split(policy_content, '{', 1) AS length FROM password_policy WHERE policy_identifier LIKE '%minLength')) WHERE minlength |-= 10);
+  SELECT 1 FROM (SELECT cast(lengthtxt as integer(2)) minlength FROM (SELECT SUBSTRING(length, 1, 2) AS lengthtxt FROM (SELECT policy_description, policy_identifier, split(policy_content, '{', 1) AS length FROM password_policy WHERE policy_identifier LIKE '%minLength')) WHERE minlength >= 10);
   ``` 
 columns: 
   - name: policy_description

schema/tables/temperature_sensors.yml

@@ -3,5 +3,5 @@ examples: |-
   Identify systems with CPU temperature sensors above or equal to 90c.
 
   ```
-  SELECT name, celsius FROM temperature_sensors WHERE name LIKE 'CPU%' AND celsius|-='90';
+  SELECT name, celsius FROM temperature_sensors WHERE name LIKE 'CPU%' AND celsius >='90';
   ```

schema/tables/uptime.yml

@@ -5,5 +5,5 @@ examples: |-
   patched as frequently as they should be.
 
   ```
-  SELECT days FROM uptime WHERE days|-='31'
+  SELECT days FROM uptime WHERE days >='31'
   ```

schema/tables/virtual_memory_info.yml

@@ -4,5 +4,5 @@ examples: |-
   benefit from more RAM.
 
   ```
-  SELECT * FROM virtual_memory_info WHERE swap_ins|-'0';
+  SELECT * FROM virtual_memory_info WHERE swap_ins>'0';
   ```