diff --git a/Database/PostgreSQL.sql b/Database/PostgreSQL.sql
index dbea267..696a15a 100644
--- a/Database/PostgreSQL.sql
+++ b/Database/PostgreSQL.sql
@@ -4,77 +4,77 @@
 
 BEGIN;
 
-CREATE TABLE IF NOT EXISTS "users" (
-	"id" SERIAL PRIMARY KEY CHECK ("id" >= 0),
+CREATE TABLE "users" (
+	"id" SERIAL PRIMARY KEY,
 	"email" VARCHAR(249) UNIQUE NOT NULL,
-	"password" VARCHAR(255) NOT NULL,
+	"password" VARCHAR(255) NOT NULL COLLATE "C",
 	"username" VARCHAR(100) DEFAULT NULL,
-	"status" SMALLINT NOT NULL DEFAULT '0' CHECK ("status" >= 0),
-	"verified" SMALLINT NOT NULL DEFAULT '0' CHECK ("verified" >= 0),
-	"resettable" SMALLINT NOT NULL DEFAULT '1' CHECK ("resettable" >= 0),
-	"roles_mask" INTEGER NOT NULL DEFAULT '0' CHECK ("roles_mask" >= 0),
+	"status" SMALLINT NOT NULL DEFAULT 0 CHECK ("status" >= 0),
+	"verified" SMALLINT NOT NULL DEFAULT 0 CHECK ("verified" >= 0 AND "verified" <= 1),
+	"resettable" SMALLINT NOT NULL DEFAULT 1 CHECK ("resettable" >= 0 AND "resettable" <= 1),
+	"roles_mask" INTEGER NOT NULL DEFAULT 0 CHECK ("roles_mask" >= 0),
 	"registered" INTEGER NOT NULL CHECK ("registered" >= 0),
 	"last_login" INTEGER DEFAULT NULL CHECK ("last_login" >= 0),
-	"force_logout" INTEGER NOT NULL DEFAULT '0' CHECK ("force_logout" >= 0)
+	"force_logout" INTEGER NOT NULL DEFAULT 0 CHECK ("force_logout" >= 0)
 );
 
-CREATE TABLE IF NOT EXISTS "users_2fa" (
-	"id" BIGSERIAL PRIMARY KEY CHECK ("id" >= 0),
+CREATE TABLE "users_2fa" (
+	"id" BIGSERIAL PRIMARY KEY,
 	"user_id" INTEGER NOT NULL CHECK ("user_id" >= 0),
 	"mechanism" SMALLINT NOT NULL CHECK ("mechanism" >= 0),
-	"seed" VARCHAR(255) DEFAULT NULL,
+	"seed" VARCHAR(255) DEFAULT NULL COLLATE "C",
 	"created_at" INTEGER NOT NULL CHECK ("created_at" >= 0),
 	"expires_at" INTEGER DEFAULT NULL CHECK ("expires_at" >= 0)
 );
-CREATE UNIQUE INDEX IF NOT EXISTS "user_id_mechanism" ON "users_2fa" ("user_id", "mechanism");
+CREATE UNIQUE INDEX "users_2fa_user_id_mechanism_uq" ON "users_2fa" ("user_id", "mechanism");
 
-CREATE TABLE IF NOT EXISTS "users_confirmations" (
-	"id" SERIAL PRIMARY KEY CHECK ("id" >= 0),
+CREATE TABLE "users_confirmations" (
+	"id" SERIAL PRIMARY KEY,
 	"user_id" INTEGER NOT NULL CHECK ("user_id" >= 0),
 	"email" VARCHAR(249) NOT NULL,
-	"selector" VARCHAR(16) UNIQUE NOT NULL,
-	"token" VARCHAR(255) NOT NULL,
+	"selector" VARCHAR(16) UNIQUE NOT NULL COLLATE "C",
+	"token" VARCHAR(255) NOT NULL COLLATE "C",
 	"expires" INTEGER NOT NULL CHECK ("expires" >= 0)
 );
-CREATE INDEX IF NOT EXISTS "email_expires" ON "users_confirmations" ("email", "expires");
-CREATE INDEX IF NOT EXISTS "user_id" ON "users_confirmations" ("user_id");
+CREATE INDEX "users_confirmations_email_expires_ix" ON "users_confirmations" ("email", "expires");
+CREATE INDEX "users_confirmations_user_id_ix" ON "users_confirmations" ("user_id");
 
-CREATE TABLE IF NOT EXISTS "users_otps" (
-	"id" BIGSERIAL PRIMARY KEY CHECK ("id" >= 0),
+CREATE TABLE "users_otps" (
+	"id" BIGSERIAL PRIMARY KEY,
 	"user_id" INTEGER NOT NULL CHECK ("user_id" >= 0),
 	"mechanism" SMALLINT NOT NULL CHECK ("mechanism" >= 0),
-	"single_factor" SMALLINT NOT NULL DEFAULT '0' CHECK ("single_factor" >= 0),
-	"selector" VARCHAR(24) NOT NULL,
-	"token" VARCHAR(255) NOT NULL,
+	"single_factor" SMALLINT NOT NULL DEFAULT 0 CHECK ("single_factor" >= 0 AND "single_factor" <= 1),
+	"selector" VARCHAR(24) NOT NULL COLLATE "C",
+	"token" VARCHAR(255) NOT NULL COLLATE "C",
 	"expires_at" INTEGER DEFAULT NULL CHECK ("expires_at" >= 0)
 );
-CREATE INDEX IF NOT EXISTS "user_id_mechanism" ON "users_otps" ("user_id", "mechanism");
-CREATE INDEX IF NOT EXISTS "selector_user_id" ON "users_otps" ("selector", "user_id");
+CREATE INDEX "users_otps_user_id_mechanism_ix" ON "users_otps" ("user_id", "mechanism");
+CREATE INDEX "users_otps_selector_user_id_ix" ON "users_otps" ("selector", "user_id");
 
-CREATE TABLE IF NOT EXISTS "users_remembered" (
-	"id" BIGSERIAL PRIMARY KEY CHECK ("id" >= 0),
+CREATE TABLE "users_remembered" (
+	"id" BIGSERIAL PRIMARY KEY,
 	"user" INTEGER NOT NULL CHECK ("user" >= 0),
-	"selector" VARCHAR(24) UNIQUE NOT NULL,
-	"token" VARCHAR(255) NOT NULL,
+	"selector" VARCHAR(24) UNIQUE NOT NULL COLLATE "C",
+	"token" VARCHAR(255) NOT NULL COLLATE "C",
 	"expires" INTEGER NOT NULL CHECK ("expires" >= 0)
 );
-CREATE INDEX IF NOT EXISTS "user" ON "users_remembered" ("user");
+CREATE INDEX "users_remembered_user_ix" ON "users_remembered" ("user");
 
-CREATE TABLE IF NOT EXISTS "users_resets" (
-	"id" BIGSERIAL PRIMARY KEY CHECK ("id" >= 0),
+CREATE TABLE "users_resets" (
+	"id" BIGSERIAL PRIMARY KEY,
 	"user" INTEGER NOT NULL CHECK ("user" >= 0),
-	"selector" VARCHAR(20) UNIQUE NOT NULL,
-	"token" VARCHAR(255) NOT NULL,
+	"selector" VARCHAR(20) UNIQUE NOT NULL COLLATE "C",
+	"token" VARCHAR(255) NOT NULL COLLATE "C",
 	"expires" INTEGER NOT NULL CHECK ("expires" >= 0)
 );
-CREATE INDEX IF NOT EXISTS "user_expires" ON "users_resets" ("user", "expires");
+CREATE INDEX "users_resets_user_expires_ix" ON "users_resets" ("user", "expires");
 
-CREATE TABLE IF NOT EXISTS "users_throttling" (
-	"bucket" VARCHAR(44) PRIMARY KEY,
+CREATE TABLE "users_throttling" (
+	"bucket" VARCHAR(44) PRIMARY KEY COLLATE "C",
 	"tokens" REAL NOT NULL CHECK ("tokens" >= 0),
 	"replenished_at" INTEGER NOT NULL CHECK ("replenished_at" >= 0),
 	"expires_at" INTEGER NOT NULL CHECK ("expires_at" >= 0)
 );
-CREATE INDEX IF NOT EXISTS "expires_at" ON "users_throttling" ("expires_at");
+CREATE INDEX "users_throttling_expires_at_ix" ON "users_throttling" ("expires_at");
 
 COMMIT;