[#2418] Addressed all 'four database' occurrences

12 files changed, 12 insertions, 12 deletions

diff --git a/doc/examples/kea6/advanced.json b/doc/examples/kea6/advanced.json
index 3ea1c613ad..5d85adf41c 100644
--- a/doc/examples/kea6/advanced.json
+++ b/doc/examples/kea6/advanced.json
@@ -24,7 +24,7 @@
     },
 
     // We need to specify the database used to store leases. As of
-    // September 2016, four database backends are supported: MySQL,
+    // June 2022, three database backends are supported: MySQL,
     // PostgreSQL and the in-memory database, Memfile.
     // We will use memfile  because it doesn't require any prior set up.
     "lease-database": {
diff --git a/doc/examples/kea6/duid.json b/doc/examples/kea6/duid.json
index 44e8a9b009..5265606a42 100644
--- a/doc/examples/kea6/duid.json
+++ b/doc/examples/kea6/duid.json
@@ -31,7 +31,7 @@
   },
 
 // We need to specify the database used to store leases. As of
-// September 2016, four database backends are supported: MySQL,
+// June 2022, three database backends are supported: MySQL,
 // PostgreSQL and the in-memory database, Memfile.
 // We'll use memfile  because it doesn't require any prior set up.
   "lease-database": {
diff --git a/doc/examples/kea6/global-reservations.json b/doc/examples/kea6/global-reservations.json
index 986b4cb5a2..db99beb48e 100644
--- a/doc/examples/kea6/global-reservations.json
+++ b/doc/examples/kea6/global-reservations.json
@@ -15,7 +15,7 @@
   },
 
 // We need to specify the database used to store leases. As of
-// September 2016, four database backends are supported: MySQL,
+// June 2022, three database backends are supported: MySQL,
 // PostgreSQL and the in-memory database, Memfile.
 // We'll use memfile  because it doesn't require any prior set up.
   "lease-database": {
diff --git a/doc/examples/kea6/leases-expiration.json b/doc/examples/kea6/leases-expiration.json
index 12f754e558..a20d5e126f 100644
--- a/doc/examples/kea6/leases-expiration.json
+++ b/doc/examples/kea6/leases-expiration.json
@@ -11,7 +11,7 @@
   },
 
 // We need to specify the database used to store leases. As of
-// September 2016, four database backends are supported: MySQL,
+// June 2022, three database backends are supported: MySQL,
 // PostgreSQL and the in-memory database, Memfile.
 // We'll use memfile  because it doesn't require any prior set up.
 // Note, we're setting the maximum number of row read errors to 100,
diff --git a/doc/examples/kea6/multiple-options.json b/doc/examples/kea6/multiple-options.json
index 0abeba0227..a22559e67f 100644
--- a/doc/examples/kea6/multiple-options.json
+++ b/doc/examples/kea6/multiple-options.json
@@ -10,7 +10,7 @@
   },
 
 // We need to specify the database used to store leases. As of
-// September 2016, four database backends are supported: MySQL,
+// June 2022, three database backends are supported: MySQL,
 // PostgreSQL and the in-memory database, Memfile.
 // We'll use memfile  because it doesn't require any prior set up.
   "lease-database": {
diff --git a/doc/examples/kea6/mysql-reservations.json b/doc/examples/kea6/mysql-reservations.json
index 1b4a9d8752..0553dad2e5 100644
--- a/doc/examples/kea6/mysql-reservations.json
+++ b/doc/examples/kea6/mysql-reservations.json
@@ -11,7 +11,7 @@
   },
 
 // We need to specify the database used to store leases. As of
-// September 2016, four database backends are supported: MySQL,
+// June 2022, three database backends are supported: MySQL,
 // PostgreSQL and the in-memory database, Memfile.
 // We'll use memfile  because it doesn't require any prior set up.
   "lease-database": {
diff --git a/doc/examples/kea6/pgsql-reservations.json b/doc/examples/kea6/pgsql-reservations.json
index 4656541d42..e27d4d5157 100644
--- a/doc/examples/kea6/pgsql-reservations.json
+++ b/doc/examples/kea6/pgsql-reservations.json
@@ -11,7 +11,7 @@
   },
 
 // We need to specify the database used to store leases. As of
-// September 2016, four database backends are supported: MySQL,
+// June 2022, three database backends are supported: MySQL,
 // PostgreSQL and the in-memory database, Memfile.
 // We'll use memfile  because it doesn't require any prior set up.
   "lease-database": {
diff --git a/doc/examples/kea6/reservations.json b/doc/examples/kea6/reservations.json
index 2460deb1a1..252b5410b5 100644
--- a/doc/examples/kea6/reservations.json
+++ b/doc/examples/kea6/reservations.json
@@ -13,7 +13,7 @@
   },
 
 // We need to specify the database used to store leases. As of
-// September 2016, four database backends are supported: MySQL,
+// June 2022, three database backends are supported: MySQL,
 // PostgreSQL and the in-memory database, Memfile.
 // We'll use memfile  because it doesn't require any prior set up.
   "lease-database": {
diff --git a/doc/examples/kea6/several-subnets.json b/doc/examples/kea6/several-subnets.json
index b3f0b1ead5..5891836f35 100644
--- a/doc/examples/kea6/several-subnets.json
+++ b/doc/examples/kea6/several-subnets.json
@@ -11,7 +11,7 @@
   },
 
 // We need to specify the database used to store leases. As of
-// September 2016, four database backends are supported: MySQL,
+// June 2022, three database backends are supported: MySQL,
 // PostgreSQL and the in-memory database, Memfile.
 // We'll use memfile  because it doesn't require any prior set up.
   "lease-database": {
diff --git a/doc/examples/kea6/simple.json b/doc/examples/kea6/simple.json
index 8f1b7522ad..83953a112d 100644
--- a/doc/examples/kea6/simple.json
+++ b/doc/examples/kea6/simple.json
@@ -12,7 +12,7 @@
   },
 
 // We need to specify the database used to store leases. As of
-// September 2016, four database backends are supported: MySQL,
+// June 2022, three database backends are supported: MySQL,
 // PostgreSQL and the in-memory database, Memfile.
 // We'll use memfile  because it doesn't require any prior set up.
   "lease-database": {
diff --git a/doc/examples/kea6/tee-times.json b/doc/examples/kea6/tee-times.json
index d5f80f4c09..d3b969adc7 100644
--- a/doc/examples/kea6/tee-times.json
+++ b/doc/examples/kea6/tee-times.json
@@ -11,7 +11,7 @@
   },
 
 // We need to specify the database used to store leases. As of
-// September 2016, four database backends are supported: MySQL,
+// June 2022, three database backends are supported: MySQL,
 // PostgreSQL and the in-memory database, Memfile.
 // We'll use memfile  because it doesn't require any prior set up.
   "lease-database": {
diff --git a/doc/examples/kea6/with-ddns.json b/doc/examples/kea6/with-ddns.json
index 3506483a08..e611d51123 100644
--- a/doc/examples/kea6/with-ddns.json
+++ b/doc/examples/kea6/with-ddns.json
@@ -12,7 +12,7 @@
   },
 
 // We need to specify the database used to store leases. As of
-// September 2016, four database backends are supported: MySQL,
+// June 2022, three database backends are supported: MySQL,
 // PostgreSQL and the in-memory database, Memfile.
 // We'll use memfile  because it doesn't require any prior set up.
   "lease-database": {